80 files changed, 4199 insertions, 483 deletions
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 124bc93..e8dab62 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,16 +1,24 @@
 ---
 version: 2.1
-jobs:
+executors:
-  test:
+  # Whenever the Go version is updated here, .promu.yml should
+  # also be updated.
+  golang:
    docker:
    - image: circleci/golang:1.11
-    working_directory: /go/src/github.com/prometheus/node_exporter
+jobs:
+  test:
+    executor: golang
    steps:
    - checkout
    - run: make promu
    - run: make
+    - store_artifacts:
+        path: node_exporter
+        destination: /build/node_exporter
    - run: rm -v node_exporter
  codespell:
@@ -24,7 +32,6 @@ jobs:
  build:
    machine: true
-    working_directory: /home/circleci/.go_workspace/src/github.com/prometheus/node_exporter
    environment:
      DOCKER_TEST_IMAGE_NAME: quay.io/prometheus/golang-builder:1.11-base
@@ -33,12 +40,15 @@ jobs:
    steps:
    - checkout
    - run: make promu
-    - run: promu crossbuild -v --go 1.11
+    - run: promu crossbuild
-    - run: promu --config .promu-cgo.yml crossbuild -v --go 1.11
+    - run: promu --config .promu-cgo.yml crossbuild
    - persist_to_workspace:
        root: .
        paths:
        - .build
+    - store_artifacts:
+        path: .build
+        destination: /build
    - run: ln -s .build/linux-amd64/node_exporter node_exporter
    - run:
        command: |
@@ -58,9 +68,7 @@ jobs:
          fi
  docker_hub_master:
-    docker:
+    executor: golang
-    - image: circleci/golang:1.11
-    working_directory: /go/src/github.com/prometheus/node_exporter
    steps:
    - checkout
@@ -77,9 +85,7 @@ jobs:
    - run: make docker-publish DOCKER_REPO=quay.io/prometheus
  docker_hub_release_tags:
-    docker:
+    executor: golang
-    - image: circleci/golang:1.11
-    working_directory: /go/src/github.com/prometheus/node_exporter
    steps:
    - checkout
diff --git a/.promu-cgo.yml b/.promu-cgo.yml
index adb6d19..a4e0a3c 100644
--- a/.promu-cgo.yml
+++ b/.promu-cgo.yml
@@ -5,13 +5,13 @@ repository:
 build:
    binaries:
        - name: node_exporter
-    flags: -a -tags 'netgo static_build'
+    flags: -mod=vendor -a -tags 'netgo static_build'
    ldflags: |
-        -X {{repoPath}}/vendor/github.com/prometheus/common/version.Version={{.Version}}
+        -X github.com/prometheus/common/version.Version={{.Version}}
-        -X {{repoPath}}/vendor/github.com/prometheus/common/version.Revision={{.Revision}}
+        -X github.com/prometheus/common/version.Revision={{.Revision}}
-        -X {{repoPath}}/vendor/github.com/prometheus/common/version.Branch={{.Branch}}
+        -X github.com/prometheus/common/version.Branch={{.Branch}}
-        -X {{repoPath}}/vendor/github.com/prometheus/common/version.BuildUser={{user}}@{{host}}
+        -X github.com/prometheus/common/version.BuildUser={{user}}@{{host}}
-        -X {{repoPath}}/vendor/github.com/prometheus/common/version.BuildDate={{date "20060102-15:04:05"}}
+        -X github.com/prometheus/common/version.BuildDate={{date "20060102-15:04:05"}}
 tarball:
    files:
        - LICENSE
diff --git a/.promu.yml b/.promu.yml
index b329ed3..b1f4c8d 100644
--- a/.promu.yml
+++ b/.promu.yml
@@ -3,13 +3,13 @@ repository:
 build:
    binaries:
        - name: node_exporter
-    flags: -a -tags 'netgo static_build'
+    flags: -mod=vendor -a -tags 'netgo static_build'
    ldflags: |
-        -X {{repoPath}}/vendor/github.com/prometheus/common/version.Version={{.Version}}
+        -X github.com/prometheus/common/version.Version={{.Version}}
-        -X {{repoPath}}/vendor/github.com/prometheus/common/version.Revision={{.Revision}}
+        -X github.com/prometheus/common/version.Revision={{.Revision}}
-        -X {{repoPath}}/vendor/github.com/prometheus/common/version.Branch={{.Branch}}
+        -X github.com/prometheus/common/version.Branch={{.Branch}}
-        -X {{repoPath}}/vendor/github.com/prometheus/common/version.BuildUser={{user}}@{{host}}
+        -X github.com/prometheus/common/version.BuildUser={{user}}@{{host}}
-        -X {{repoPath}}/vendor/github.com/prometheus/common/version.BuildDate={{date "20060102-15:04:05"}}
+        -X github.com/prometheus/common/version.BuildDate={{date "20060102-15:04:05"}}
 tarball:
    files:
        - LICENSE
diff --git a/Makefile b/Makefile
index 459c762..2565f56 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,9 @@ GO     ?= GO15VENDOREXPERIMENT=1 go
 GOARCH := $(shell $(GO) env GOARCH)
 GOHOSTARCH := $(shell $(GO) env GOHOSTARCH)
-PROMTOOL    ?= $(FIRST_GOPATH)/bin/promtool
+PROMTOOL_VERSION ?= 2.5.0
+PROMTOOL_URL     ?= https://github.com/prometheus/prometheus/releases/download/v$(PROMTOOL_VERSION)/prometheus-$(PROMTOOL_VERSION).$(GO_BUILD_PLATFORM).tar.gz
+PROMTOOL         ?= $(FIRST_GOPATH)/bin/promtool
 DOCKER_IMAGE_NAME       ?= node-exporter
 MACH                    ?= $(shell uname -m)
@@ -139,6 +141,14 @@ test-docker:
        @echo ">> testing docker image"
        ./test_image.sh "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)" 9100
-.PHONY: promtool $(FIRST_GOPATH)/bin/promtool
+.PHONY: promtool
-$(FIRST_GOPATH)/bin/promtool promtool:
+promtool: $(PROMTOOL)
-        @GOOS= GOARCH= $(GO) get -u github.com/prometheus/prometheus/cmd/promtool
+.PHONY: $(PROMTOOL)
+$(PROMTOOL):
+        $(eval PROMTOOL_TMP := $(shell mktemp -d))
+        curl -s -L $(PROMTOOL_URL) | tar -xvzf - -C $(PROMTOOL_TMP)
+        mkdir -p $(FIRST_GOPATH)/bin
+        cp $(PROMTOOL_TMP)/prometheus-$(PROMTOOL_VERSION).$(GO_BUILD_PLATFORM)/promtool $(FIRST_GOPATH)/bin/promtool
+        rm -r $(PROMTOOL_TMP)
diff --git a/Makefile.common b/Makefile.common
index 61ef11d..8e135c5 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -16,7 +16,7 @@
 # !!! Open PRs only against the prometheus/prometheus/Makefile.common repository!
 # Example usage :
-# Create the main Makefile in the root project directory. 
+# Create the main Makefile in the root project directory.
 # include Makefile.common
 # customTarget:
 #       @echo ">> Running customTarget"
@@ -28,18 +28,53 @@ unexport GOBIN
 GO           ?= go
 GOFMT        ?= $(GO)fmt
 FIRST_GOPATH := $(firstword $(subst :, ,$(shell $(GO) env GOPATH)))
+GOOPTS       ?=
+GO_VERSION        ?= $(shell $(GO) version)
+GO_VERSION_NUMBER ?= $(word 3, $(GO_VERSION))
+PRE_GO_111        ?= $(shell echo $(GO_VERSION_NUMBER) | grep -E 'go1\.(10|[0-9])\.')
+unexport GOVENDOR
+ifeq (, $(PRE_GO_111))
+        ifneq (,$(wildcard go.mod))
+                # Enforce Go modules support just in case the directory is inside GOPATH (and for Travis CI).
+                GO111MODULE := on
+                ifneq (,$(wildcard vendor))
+                        # Always use the local vendor/ directory to satisfy the dependencies.
+                        GOOPTS := $(GOOPTS) -mod=vendor
+                endif
+        endif
+else
+        ifneq (,$(wildcard go.mod))
+                ifneq (,$(wildcard vendor))
+$(warning This repository requires Go >= 1.11 because of Go modules)
+$(warning Some recipes may not work as expected as the current Go runtime is '$(GO_VERSION_NUMBER)')
+                endif
+        else
+                # This repository isn't using Go modules (yet).
+                GOVENDOR := $(FIRST_GOPATH)/bin/govendor
+        endif
+        unexport GO111MODULE
+endif
 PROMU        := $(FIRST_GOPATH)/bin/promu
 STATICCHECK  := $(FIRST_GOPATH)/bin/staticcheck
-GOVENDOR     := $(FIRST_GOPATH)/bin/govendor
 pkgs          = ./...
+GO_VERSION        ?= $(shell $(GO) version)
+GO_BUILD_PLATFORM ?= $(subst /,-,$(lastword $(GO_VERSION)))
+PROMU_VERSION ?= 0.2.0
+PROMU_URL     := https://github.com/prometheus/promu/releases/download/v$(PROMU_VERSION)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM).tar.gz
 PREFIX                  ?= $(shell pwd)
 BIN_DIR                 ?= $(shell pwd)
 DOCKER_IMAGE_TAG        ?= $(subst /,-,$(shell git rev-parse --abbrev-ref HEAD))
 DOCKER_REPO             ?= prom
 .PHONY: all
-all: style staticcheck unused build test
+all: precheck style staticcheck unused build test
 # This rule is used to forward a target like "build" to "common-build".  This
 # allows a new "build" target to be defined in a Makefile which includes this
@@ -49,7 +84,12 @@ all: style staticcheck unused build test
 .PHONY: common-style
 common-style:
        @echo ">> checking code style"
-        ! $(GOFMT) -d $$(find . -path ./vendor -prune -o -name '*.go' -print) | grep '^'
+        @fmtRes=$$($(GOFMT) -d $$(find . -path ./vendor -prune -o -name '*.go' -print)); \
+        if [ -n "$${fmtRes}" ]; then \
+                echo "gofmt checking failed!"; echo "$${fmtRes}"; echo; \
+                echo "Please ensure you are using $$($(GO) version) for formatting code."; \
+                exit 1; \
+        fi
 .PHONY: common-check_license
 common-check_license:
@@ -65,37 +105,54 @@ common-check_license:
 .PHONY: common-test-short
 common-test-short:
        @echo ">> running short tests"
-        $(GO) test -short $(pkgs)
+        GO111MODULE=$(GO111MODULE) $(GO) test -short $(GOOPTS) $(pkgs)
 .PHONY: common-test
 common-test:
        @echo ">> running all tests"
-        $(GO) test -race $(pkgs)
+        GO111MODULE=$(GO111MODULE) $(GO) test -race $(GOOPTS) $(pkgs)
 .PHONY: common-format
 common-format:
        @echo ">> formatting code"
-        $(GO) fmt $(pkgs)
+        GO111MODULE=$(GO111MODULE) $(GO) fmt $(GOOPTS) $(pkgs)
 .PHONY: common-vet
 common-vet:
        @echo ">> vetting code"
-        $(GO) vet $(pkgs)
+        GO111MODULE=$(GO111MODULE) $(GO) vet $(GOOPTS) $(pkgs)
 .PHONY: common-staticcheck
 common-staticcheck: $(STATICCHECK)
        @echo ">> running staticcheck"
+ifdef GO111MODULE
+        GO111MODULE=$(GO111MODULE) $(STATICCHECK) -ignore "$(STATICCHECK_IGNORE)" -checks "SA*" $(pkgs)
+else
        $(STATICCHECK) -ignore "$(STATICCHECK_IGNORE)" $(pkgs)
+endif
 .PHONY: common-unused
 common-unused: $(GOVENDOR)
+ifdef GOVENDOR
        @echo ">> running check for unused packages"
        @$(GOVENDOR) list +unused | grep . && exit 1 || echo 'No unused packages'
+else
+ifdef GO111MODULE
+        @echo ">> running check for unused/missing packages in go.mod"
+        GO111MODULE=$(GO111MODULE) $(GO) mod tidy
+        @git diff --exit-code -- go.sum go.mod
+ifneq (,$(wildcard vendor))
+        @echo ">> running check for unused packages in vendor/"
+        GO111MODULE=$(GO111MODULE) $(GO) mod vendor
+        @git diff --exit-code -- go.sum go.mod vendor/
+endif
+endif
+endif
 .PHONY: common-build
 common-build: promu
        @echo ">> building binaries"
-        $(PROMU) build --prefix $(PREFIX)
+        GO111MODULE=$(GO111MODULE) $(PROMU) build --prefix $(PREFIX)
 .PHONY: common-tarball
 common-tarball: promu
@@ -115,13 +172,54 @@ common-docker-tag-latest:
        docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):$(DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME):latest"
 .PHONY: promu
-promu:
+promu: $(PROMU)
-        GOOS= GOARCH= $(GO) get -u github.com/prometheus/promu
+$(PROMU):
+        $(eval PROMU_TMP := $(shell mktemp -d))
+        curl -s -L $(PROMU_URL) | tar -xvzf - -C $(PROMU_TMP)
+        mkdir -p $(FIRST_GOPATH)/bin
+        cp $(PROMU_TMP)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM)/promu $(FIRST_GOPATH)/bin/promu
+        rm -r $(PROMU_TMP)
+.PHONY: proto
+proto:
+        @echo ">> generating code from proto files"
+        @./scripts/genproto.sh
 .PHONY: $(STATICCHECK)
 $(STATICCHECK):
-        GOOS= GOARCH= $(GO) get -u honnef.co/go/tools/cmd/staticcheck
+ifdef GO111MODULE
+# Get staticcheck from a temporary directory to avoid modifying the local go.{mod,sum}.
+# See https://github.com/golang/go/issues/27643.
+# For now, we are using the next branch of staticcheck because master isn't compatible yet with Go modules.
+        tmpModule=$$(mktemp -d 2>&1) && \
+        mkdir -p $${tmpModule}/staticcheck && \
+        cd "$${tmpModule}"/staticcheck && \
+        GO111MODULE=on $(GO) mod init example.com/staticcheck && \
+        GO111MODULE=on GOOS= GOARCH= $(GO) get -u honnef.co/go/tools/cmd/staticcheck@next && \
+        rm -rf $${tmpModule};
+else
+        GOOS= GOARCH= GO111MODULE=off $(GO) get -u honnef.co/go/tools/cmd/staticcheck
+endif
+ifdef GOVENDOR
 .PHONY: $(GOVENDOR)
 $(GOVENDOR):
        GOOS= GOARCH= $(GO) get -u github.com/kardianos/govendor
+endif
+.PHONY: precheck
+precheck::
+define PRECHECK_COMMAND_template =
+precheck:: $(1)_precheck
+PRECHECK_COMMAND_$(1) ?= $(1) $$(strip $$(PRECHECK_OPTIONS_$(1)))
+.PHONY: $(1)_precheck
+$(1)_precheck:
+        @if ! $$(PRECHECK_COMMAND_$(1)) 1>/dev/null 2>&1; then \
+                echo "Execution of '$$(PRECHECK_COMMAND_$(1))' command failed. Is $(1) installed?"; \
+                exit 1; \
+        fi
+endef
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..223925a
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,32 @@
+module github.com/prometheus/node_exporter
+require (
+        github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc // indirect
+        github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf // indirect
+        github.com/beevik/ntp v0.2.0
+        github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 // indirect
+        github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7
+        github.com/ema/qdisc v0.0.0-20180104102928-b307c22d3ce7
+        github.com/godbus/dbus v4.1.0+incompatible
+        github.com/gogo/protobuf v1.1.1 // indirect
+        github.com/golang/protobuf v1.2.0 // indirect
+        github.com/google/go-cmp v0.2.0 // indirect
+        github.com/konsorten/go-windows-terminal-sequences v1.0.1 // indirect
+        github.com/lufia/iostat v0.0.0-20170605150913-9f7362b77ad3
+        github.com/mattn/go-xmlrpc v0.0.0-20180913190254-6e944673e4c0
+        github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+        github.com/mdlayher/genetlink v0.0.0-20180917171408-7615bc153978 // indirect
+        github.com/mdlayher/netlink v0.0.0-20180920202405-794849f2d5bf // indirect
+        github.com/mdlayher/wifi v0.0.0-20180727163819-efdf3f4195d9
+        github.com/prometheus/client_golang v0.9.1
+        github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910
+        github.com/prometheus/common v0.0.0-20181015124227-bcb74de08d37
+        github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d
+        github.com/sirupsen/logrus v1.1.1 // indirect
+        github.com/soundcloud/go-runit v0.0.0-20150630195641-06ad41a06c4a
+        golang.org/x/crypto v0.0.0-20181009213950-7c1a557ab941 // indirect
+        golang.org/x/net v0.0.0-20181005035420-146acd28ed58 // indirect
+        golang.org/x/sync v0.0.0-20181108010431-42b317875d0f // indirect
+        golang.org/x/sys v0.0.0-20181005133103-4497e2df6f9e
+        gopkg.in/alecthomas/kingpin.v2 v2.2.6
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..5a60f0a
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,65 @@
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc h1:cAKDfWh5VpdgMhJosfJnn5/FoN2SRZ4p7fJNX58YPaU=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf h1:qet1QNfXsQxTZqLG4oE62mJzwPIB8+Tee4RNCL9ulrY=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/beevik/ntp v0.2.0 h1:sGsd+kAXzT0bfVfzJfce04g+dSRfrs+tbQW8lweuYgw=
+github.com/beevik/ntp v0.2.0/go.mod h1:hIHWr+l3+/clUnF44zdK+CWW7fO8dR5cIylAQ76NRpg=
+github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
+github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7 h1:u9SHYsPQNyt5tgDm3YN7+9dYrpK96E5wFilTFWIDZOM=
+github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/ema/qdisc v0.0.0-20180104102928-b307c22d3ce7 h1:jzWRD7cjz7ditpwbTbQdnHzFFW3KIFAVw9Ia5C0n/zs=
+github.com/ema/qdisc v0.0.0-20180104102928-b307c22d3ce7/go.mod h1:kXuKAameaga9ciOgiYWAM85FQP+wt5aN4uX+9OHVJe4=
+github.com/godbus/dbus v4.1.0+incompatible h1:WqqLRTsQic3apZUK9qC5sGNfXthmPXzUZ7nQPrNITa4=
+github.com/godbus/dbus v4.1.0+incompatible/go.mod h1:/YcGZj5zSblfDWMMoOzV4fas9FZnQYTkDnsGvmh2Grw=
+github.com/gogo/protobuf v1.1.1 h1:72R+M5VuhED/KujmZVcIquuo8mBgX4oVda//DQb3PXo=
+github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
+github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
+github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
+github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
+github.com/konsorten/go-windows-terminal-sequences v0.0.0-20180402223658-b729f2633dfe/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
+github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/lufia/iostat v0.0.0-20170605150913-9f7362b77ad3 h1:XGhvld9vIpj929Gri5ybjukYZeyZwKkFkqgATqBQiOs=
+github.com/lufia/iostat v0.0.0-20170605150913-9f7362b77ad3/go.mod h1:lRgtFVamD7L7GaXOSwBiuXMwU3Aicfn5h66LVs4u2SA=
+github.com/mattn/go-xmlrpc v0.0.0-20180913190254-6e944673e4c0 h1:Yd5lxbX77o10QFKctZpOQqT4D2x6kzfmnjwtz0NUTIU=
+github.com/mattn/go-xmlrpc v0.0.0-20180913190254-6e944673e4c0/go.mod h1:jPxKbOGukjFCw9jFB7RRh3ZRQUehV22ryHP8IpREEx4=
+github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
+github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
+github.com/mdlayher/genetlink v0.0.0-20180917171408-7615bc153978 h1:tC5iKGVD0TDZhKsBarp21Qox0Czip4m4i8kxfiqmqgY=
+github.com/mdlayher/genetlink v0.0.0-20180917171408-7615bc153978/go.mod h1:EOrmeik1bDMaRduo2B+uAYe1HmTq6yF2IMDmJi1GoWk=
+github.com/mdlayher/netlink v0.0.0-20180920202405-794849f2d5bf h1:lYA2LopQshi99ahuhhIyfvWRC9IzHRtC9Bk1OSP436w=
+github.com/mdlayher/netlink v0.0.0-20180920202405-794849f2d5bf/go.mod h1:a3TlQHkJH2m32RF224Z7LhD5N4mpyR8eUbCoYHywrwg=
+github.com/mdlayher/wifi v0.0.0-20180727163819-efdf3f4195d9 h1:ag57ienknXLMhoSbkYvaZLF9Taxu9GtBHUJ4jP5ER8s=
+github.com/mdlayher/wifi v0.0.0-20180727163819-efdf3f4195d9/go.mod h1:Evt/EIne46u9PtQbeTx2NTcqURpr5K4SvKtGmBuDPN8=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/prometheus/client_golang v0.9.1 h1:K47Rk0v/fkEfwfQet2KWhscE0cJzjgCCDBG2KHZoVno=
+github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
+github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910 h1:idejC8f05m9MGOsuEi1ATq9shN03HrxNkD/luQvxCv8=
+github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
+github.com/prometheus/common v0.0.0-20181015124227-bcb74de08d37 h1:Y7YdJ9Xb3MoQOzAWXnDunAJYpvhVwZdTirNfGUgPKaA=
+github.com/prometheus/common v0.0.0-20181015124227-bcb74de08d37/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
+github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d h1:GoAlyOgbOEIFdaDqxJVlbOQ1DtGmZWs/Qau0hIlk+WQ=
+github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
+github.com/sirupsen/logrus v1.1.1 h1:VzGj7lhU7KEB9e9gMpAV/v5XT2NVSvLJhJLCWbnkgXg=
+github.com/sirupsen/logrus v1.1.1/go.mod h1:zrgwTnHtNr00buQ1vSptGe8m1f/BbgsPukg8qsT7A+A=
+github.com/soundcloud/go-runit v0.0.0-20150630195641-06ad41a06c4a h1:TGsOnmXp0mo82KbjaDcsTibGxWIdZNXbKJB18gFn1RM=
+github.com/soundcloud/go-runit v0.0.0-20150630195641-06ad41a06c4a/go.mod h1:LeFCbQYJ3KJlPs/FvPz2dy1tkpxyeNESVyCNNzRXFR0=
+github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/crypto v0.0.0-20181009213950-7c1a557ab941 h1:qBTHLajHecfu+xzRI9PqVDcqx7SdHj9d4B+EzSn3tAc=
+golang.org/x/crypto v0.0.0-20181009213950-7c1a557ab941/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/net v0.0.0-20181005035420-146acd28ed58 h1:otZG8yDCO4LVps5+9bxOeNiCvgmOyt96J3roHTYs7oE=
+golang.org/x/net v0.0.0-20181005035420-146acd28ed58/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/sync v0.0.0-20181108010431-42b317875d0f h1:Bl/8QSvNqXvPGPGXa2z5xUTmV7VDcZyvRZ+QQXkXTZQ=
+golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20181005133103-4497e2df6f9e h1:EfdBzeKbFSvOjoIqSZcfS8wp0FBLokGBEs9lz1OtSg0=
+golang.org/x/sys v0.0.0-20181005133103-4497e2df6f9e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+gopkg.in/alecthomas/kingpin.v2 v2.2.6 h1:jMFz6MfLP0/4fUyZle81rXUoxOBFi19VUFKVDOQfozc=
+gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
diff --git a/vendor/github.com/beevik/ntp/.travis.yml b/vendor/github.com/beevik/ntp/.travis.yml
new file mode 100644
index 0000000..ad71df2
--- /dev/null
+++ b/vendor/github.com/beevik/ntp/.travis.yml
@@ -0,0 +1,15 @@
+language: go
+sudo: false
+go:
+  - 1.7.x
+  - 1.8.x
+  - 1.9.x
+  - tip
+matrix:
+  allow_failures:
+    - go: tip
+script:
+  - go test -v ./...
diff --git a/vendor/github.com/beorn7/perks/quantile/stream.go b/vendor/github.com/beorn7/perks/quantile/stream.go
index f4cabd6..d7d14f8 100644
--- a/vendor/github.com/beorn7/perks/quantile/stream.go
+++ b/vendor/github.com/beorn7/perks/quantile/stream.go
@@ -77,15 +77,20 @@ func NewHighBiased(epsilon float64) *Stream {
 // is guaranteed to be within (Quantile±Epsilon).
 //
 // See http://www.cs.rutgers.edu/~muthu/bquant.pdf for time, space, and error properties.
-func NewTargeted(targets map[float64]float64) *Stream {
+func NewTargeted(targetMap map[float64]float64) *Stream {
+        // Convert map to slice to avoid slow iterations on a map.
+        // ƒ is called on the hot path, so converting the map to a slice
+        // beforehand results in significant CPU savings.
+        targets := targetMapToSlice(targetMap)
        ƒ := func(s *stream, r float64) float64 {
                var m = math.MaxFloat64
                var f float64
-                for quantile, epsilon := range targets {
+                for _, t := range targets {
-                        if quantile*s.n <= r {
+                        if t.quantile*s.n <= r {
-                                f = (2 * epsilon * r) / quantile
+                                f = (2 * t.epsilon * r) / t.quantile
                        } else {
-                                f = (2 * epsilon * (s.n - r)) / (1 - quantile)
+                                f = (2 * t.epsilon * (s.n - r)) / (1 - t.quantile)
                        }
                        if f < m {
                                m = f
@@ -96,6 +101,25 @@ func NewTargeted(targets map[float64]float64) *Stream {
        return newStream(ƒ)
 }
+type target struct {
+        quantile float64
+        epsilon  float64
+}
+func targetMapToSlice(targetMap map[float64]float64) []target {
+        targets := make([]target, 0, len(targetMap))
+        for quantile, epsilon := range targetMap {
+                t := target{
+                        quantile: quantile,
+                        epsilon:  epsilon,
+                }
+                targets = append(targets, t)
+        }
+        return targets
+}
 // Stream computes quantiles for a stream of float64s. It is not thread-safe by
 // design. Take care when using across multiple goroutines.
 type Stream struct {
diff --git a/vendor/github.com/ema/qdisc/.travis.yml b/vendor/github.com/ema/qdisc/.travis.yml
new file mode 100644
index 0000000..7c9b451
--- /dev/null
+++ b/vendor/github.com/ema/qdisc/.travis.yml
@@ -0,0 +1,16 @@
+language: go
+go:
+  - 1.x
+os:
+  - linux
+sudo: required
+before_install:
+  - go get github.com/golang/lint/golint
+  - go get honnef.co/go/tools/cmd/staticcheck
+  - go get -d ./...
+script:
+  - go build -tags=gofuzz ./...
+  - go vet ./...
+  - staticcheck ./...
+  #- golint -set_exit_status ./...
+  - go test -v -race -tags=integration ./...
diff --git a/vendor/github.com/godbus/dbus/.travis.yml b/vendor/github.com/godbus/dbus/.travis.yml
new file mode 100644
index 0000000..2e1bbb7
--- /dev/null
+++ b/vendor/github.com/godbus/dbus/.travis.yml
@@ -0,0 +1,40 @@
+dist: precise
+language: go
+go_import_path: github.com/godbus/dbus
+sudo: true
+go:
+  - 1.6.3
+  - 1.7.3
+  - tip
+env:
+  global:
+  matrix:
+   - TARGET=amd64
+   - TARGET=arm64
+   - TARGET=arm
+   - TARGET=386
+   - TARGET=ppc64le
+matrix:
+  fast_finish: true
+  allow_failures:
+    - go: tip
+  exclude:
+  - go: tip
+    env: TARGET=arm
+  - go: tip
+    env: TARGET=arm64
+  - go: tip
+    env: TARGET=386
+  - go: tip
+    env: TARGET=ppc64le
+addons:
+  apt:
+    packages:
+    - dbus
+    - dbus-x11
+before_install:
diff --git a/vendor/github.com/golang/protobuf/AUTHORS b/vendor/github.com/golang/protobuf/AUTHORS
new file mode 100644
index 0000000..15167cd
--- /dev/null
+++ b/vendor/github.com/golang/protobuf/AUTHORS
@@ -0,0 +1,3 @@
+# This source code refers to The Go Authors for copyright purposes.
+# The master list of authors is in the main Go distribution,
+# visible at http://tip.golang.org/AUTHORS.
diff --git a/vendor/github.com/golang/protobuf/CONTRIBUTORS b/vendor/github.com/golang/protobuf/CONTRIBUTORS
new file mode 100644
index 0000000..1c4577e
--- /dev/null
+++ b/vendor/github.com/golang/protobuf/CONTRIBUTORS
@@ -0,0 +1,3 @@
+# This source code was written by the Go contributors.
+# The master list of contributors is in the main Go distribution,
+# visible at http://tip.golang.org/CONTRIBUTORS.
diff --git a/vendor/github.com/lufia/iostat/.gitignore b/vendor/github.com/lufia/iostat/.gitignore
new file mode 100644
index 0000000..a1338d6
--- /dev/null
+++ b/vendor/github.com/lufia/iostat/.gitignore
@@ -0,0 +1,14 @@
+# Binaries for programs and plugins
+*.exe
+*.dll
+*.so
+*.dylib
+# Test binary, build with `go test -c`
+*.test
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+# Project-local glide cache, RE: https://github.com/Masterminds/glide/issues/736
+.glide/
diff --git a/vendor/github.com/mattn/go-xmlrpc/.travis.yml b/vendor/github.com/mattn/go-xmlrpc/.travis.yml
new file mode 100644
index 0000000..693c072
--- /dev/null
+++ b/vendor/github.com/mattn/go-xmlrpc/.travis.yml
@@ -0,0 +1,5 @@
+language: go
+go:
+  - tip
+before_install:
+  - go test
diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/.gitignore b/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/.gitignore
new file mode 100644
index 0000000..e16fb94
--- /dev/null
+++ b/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/.gitignore
@@ -0,0 +1 @@
+cover.dat
diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/Makefile b/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/Makefile
new file mode 100644
index 0000000..81be214
--- /dev/null
+++ b/vendor/github.com/matttproud/golang_protobuf_extensions/pbutil/Makefile
@@ -0,0 +1,7 @@
+all:
+cover:
+        go test -cover -v -coverprofile=cover.dat ./...
+        go tool cover -func cover.dat
+.PHONY: cover
diff --git a/vendor/github.com/mdlayher/genetlink/.travis.yml b/vendor/github.com/mdlayher/genetlink/.travis.yml
new file mode 100644
index 0000000..c53d5a8
--- /dev/null
+++ b/vendor/github.com/mdlayher/genetlink/.travis.yml
@@ -0,0 +1,16 @@
+language: go
+go:
+  - 1.x
+os:
+  - linux
+sudo: required
+before_install:
+  - go get github.com/golang/lint/golint
+  - go get honnef.co/go/tools/cmd/staticcheck
+  - go get -d ./...
+script:
+  - go build -tags=gofuzz ./...
+  - go vet ./...
+  - staticcheck ./...
+  - golint -set_exit_status ./...
+  - go test -v -race -tags=integration ./...
diff --git a/vendor/github.com/mdlayher/netlink/.gitignore b/vendor/github.com/mdlayher/netlink/.gitignore
new file mode 100644
index 0000000..30111b6
--- /dev/null
+++ b/vendor/github.com/mdlayher/netlink/.gitignore
@@ -0,0 +1 @@
+cmd/nlstress/nlstress
diff --git a/vendor/github.com/mdlayher/netlink/.travis.yml b/vendor/github.com/mdlayher/netlink/.travis.yml
new file mode 100644
index 0000000..55427a5
--- /dev/null
+++ b/vendor/github.com/mdlayher/netlink/.travis.yml
@@ -0,0 +1,17 @@
+language: go
+go:
+  - "1.x"
+os:
+  - linux
+  - osx
+sudo: required
+before_install:
+  - go get github.com/golang/lint/golint
+  - go get honnef.co/go/tools/cmd/staticcheck
+  - go get -d ./...
+script:
+  - go build -tags=gofuzz ./...
+  - go vet ./...
+  - staticcheck ./...
+  - golint -set_exit_status ./...
+  - go test -v -race -tags=integration ./...
diff --git a/vendor/github.com/mdlayher/wifi/.travis.yml b/vendor/github.com/mdlayher/wifi/.travis.yml
new file mode 100644
index 0000000..b8a82fe
--- /dev/null
+++ b/vendor/github.com/mdlayher/wifi/.travis.yml
@@ -0,0 +1,16 @@
+language: go
+go:
+  - 1.x
+os:
+  - linux
+sudo: required
+before_install:
+  - go get github.com/golang/lint/golint
+  - go get honnef.co/go/tools/cmd/staticcheck
+  - go get -d -t ./...
+script:
+  - go build ./...
+  - go vet ./...
+  - staticcheck ./...
+  - ./scripts/golint.sh
+  - go test -race -v ./...
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/.gitignore b/vendor/github.com/prometheus/client_golang/prometheus/.gitignore
new file mode 100644
index 0000000..3460f03
--- /dev/null
+++ b/vendor/github.com/prometheus/client_golang/prometheus/.gitignore
@@ -0,0 +1 @@
+command-line-arguments.test
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/counter.go b/vendor/github.com/prometheus/client_golang/prometheus/counter.go
index 765e455..d463e36 100644
--- a/vendor/github.com/prometheus/client_golang/prometheus/counter.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/counter.go
@@ -136,7 +136,7 @@ func NewCounterVec(opts CounterOpts, labelNames []string) *CounterVec {
        return &CounterVec{
                metricVec: newMetricVec(desc, func(lvs ...string) Metric {
                        if len(lvs) != len(desc.variableLabels) {
-                                panic(errInconsistentCardinality)
+                                panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, lvs))
                        }
                        result := &counter{desc: desc, labelPairs: makeLabelPairs(desc, lvs)}
                        result.init(result) // Init self-collection.
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/gauge.go b/vendor/github.com/prometheus/client_golang/prometheus/gauge.go
index 17c72d7..71d406b 100644
--- a/vendor/github.com/prometheus/client_golang/prometheus/gauge.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/gauge.go
@@ -147,7 +147,7 @@ func NewGaugeVec(opts GaugeOpts, labelNames []string) *GaugeVec {
        return &GaugeVec{
                metricVec: newMetricVec(desc, func(lvs ...string) Metric {
                        if len(lvs) != len(desc.variableLabels) {
-                                panic(errInconsistentCardinality)
+                                panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, lvs))
                        }
                        result := &gauge{desc: desc, labelPairs: makeLabelPairs(desc, lvs)}
                        result.init(result) // Init self-collection.
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/histogram.go b/vendor/github.com/prometheus/client_golang/prometheus/histogram.go
index 4d7fa97..f88da70 100644
--- a/vendor/github.com/prometheus/client_golang/prometheus/histogram.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/histogram.go
@@ -165,7 +165,7 @@ func NewHistogram(opts HistogramOpts) Histogram {
 func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogram {
        if len(desc.variableLabels) != len(labelValues) {
-                panic(errInconsistentCardinality)
+                panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, labelValues))
        }
        for _, n := range desc.variableLabels {
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/http.go b/vendor/github.com/prometheus/client_golang/prometheus/http.go
index 4b8e602..9f0875b 100644
--- a/vendor/github.com/prometheus/client_golang/prometheus/http.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/http.go
@@ -15,9 +15,7 @@ package prometheus
 import (
        "bufio"
-        "bytes"
        "compress/gzip"
-        "fmt"
        "io"
        "net"
        "net/http"
@@ -41,19 +39,10 @@ const (
        acceptEncodingHeader  = "Accept-Encoding"
 )
-var bufPool sync.Pool
+var gzipPool = sync.Pool{
+        New: func() interface{} {
-func getBuf() *bytes.Buffer {
+                return gzip.NewWriter(nil)
-        buf := bufPool.Get()
+        },
-        if buf == nil {
-                return &bytes.Buffer{}
-        }
-        return buf.(*bytes.Buffer)
-}
-func giveBuf(buf *bytes.Buffer) {
-        buf.Reset()
-        bufPool.Put(buf)
 }
 // Handler returns an HTTP handler for the DefaultGatherer. It is
@@ -71,58 +60,40 @@ func Handler() http.Handler {
 // Deprecated: Use promhttp.HandlerFor(DefaultGatherer, promhttp.HandlerOpts{})
 // instead. See there for further documentation.
 func UninstrumentedHandler() http.Handler {
-        return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
+        return http.HandlerFunc(func(rsp http.ResponseWriter, req *http.Request) {
                mfs, err := DefaultGatherer.Gather()
                if err != nil {
-                        http.Error(w, "An error has occurred during metrics collection:\n\n"+err.Error(), http.StatusInternalServerError)
+                        httpError(rsp, err)
                        return
                }
                contentType := expfmt.Negotiate(req.Header)
-                buf := getBuf()
+                header := rsp.Header()
-                defer giveBuf(buf)
+                header.Set(contentTypeHeader, string(contentType))
-                writer, encoding := decorateWriter(req, buf)
-                enc := expfmt.NewEncoder(writer, contentType)
+                w := io.Writer(rsp)
-                var lastErr error
+                if gzipAccepted(req.Header) {
+                        header.Set(contentEncodingHeader, "gzip")
+                        gz := gzipPool.Get().(*gzip.Writer)
+                        defer gzipPool.Put(gz)
+                        gz.Reset(w)
+                        defer gz.Close()
+                        w = gz
+                }
+                enc := expfmt.NewEncoder(w, contentType)
                for _, mf := range mfs {
                        if err := enc.Encode(mf); err != nil {
-                                lastErr = err
+                                httpError(rsp, err)
-                                http.Error(w, "An error has occurred during metrics encoding:\n\n"+err.Error(), http.StatusInternalServerError)
                                return
                        }
                }
-                if closer, ok := writer.(io.Closer); ok {
-                        closer.Close()
-                }
-                if lastErr != nil && buf.Len() == 0 {
-                        http.Error(w, "No metrics encoded, last error:\n\n"+lastErr.Error(), http.StatusInternalServerError)
-                        return
-                }
-                header := w.Header()
-                header.Set(contentTypeHeader, string(contentType))
-                header.Set(contentLengthHeader, fmt.Sprint(buf.Len()))
-                if encoding != "" {
-                        header.Set(contentEncodingHeader, encoding)
-                }
-                w.Write(buf.Bytes())
        })
 }
-// decorateWriter wraps a writer to handle gzip compression if requested.  It
-// returns the decorated writer and the appropriate "Content-Encoding" header
-// (which is empty if no compression is enabled).
-func decorateWriter(request *http.Request, writer io.Writer) (io.Writer, string) {
-        header := request.Header.Get(acceptEncodingHeader)
-        parts := strings.Split(header, ",")
-        for _, part := range parts {
-                part = strings.TrimSpace(part)
-                if part == "gzip" || strings.HasPrefix(part, "gzip;") {
-                        return gzip.NewWriter(writer), "gzip"
-                }
-        }
-        return writer, ""
-}
 var instLabels = []string{"method", "code"}
 type nower interface {
@@ -503,3 +474,31 @@ func sanitizeCode(s int) string {
                return strconv.Itoa(s)
        }
 }
+// gzipAccepted returns whether the client will accept gzip-encoded content.
+func gzipAccepted(header http.Header) bool {
+        a := header.Get(acceptEncodingHeader)
+        parts := strings.Split(a, ",")
+        for _, part := range parts {
+                part = strings.TrimSpace(part)
+                if part == "gzip" || strings.HasPrefix(part, "gzip;") {
+                        return true
+                }
+        }
+        return false
+}
+// httpError removes any content-encoding header and then calls http.Error with
+// the provided error and http.StatusInternalServerErrer. Error contents is
+// supposed to be uncompressed plain text. However, same as with a plain
+// http.Error, any header settings will be void if the header has already been
+// sent. The error message will still be written to the writer, but it will
+// probably be of limited use.
+func httpError(rsp http.ResponseWriter, err error) {
+        rsp.Header().Del(contentEncodingHeader)
+        http.Error(
+                rsp,
+                "An error has occurred while serving metrics:\n\n"+err.Error(),
+                http.StatusInternalServerError,
+        )
+}
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/labels.go b/vendor/github.com/prometheus/client_golang/prometheus/labels.go
index e68f132..2744443 100644
--- a/vendor/github.com/prometheus/client_golang/prometheus/labels.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/labels.go
@@ -37,9 +37,22 @@ const reservedLabelPrefix = "__"
 var errInconsistentCardinality = errors.New("inconsistent label cardinality")
+func makeInconsistentCardinalityError(fqName string, labels, labelValues []string) error {
+        return fmt.Errorf(
+                "%s: %q has %d variable labels named %q but %d values %q were provided",
+                errInconsistentCardinality, fqName,
+                len(labels), labels,
+                len(labelValues), labelValues,
+        )
+}
 func validateValuesInLabels(labels Labels, expectedNumberOfValues int) error {
        if len(labels) != expectedNumberOfValues {
-                return errInconsistentCardinality
+                return fmt.Errorf(
+                        "%s: expected %d label values but got %d in %#v",
+                        errInconsistentCardinality, expectedNumberOfValues,
+                        len(labels), labels,
+                )
        }
        for name, val := range labels {
@@ -53,7 +66,11 @@ func validateValuesInLabels(labels Labels, expectedNumberOfValues int) error {
 func validateLabelValues(vals []string, expectedNumberOfValues int) error {
        if len(vals) != expectedNumberOfValues {
-                return errInconsistentCardinality
+                return fmt.Errorf(
+                        "%s: expected %d label values but got %d in %#v",
+                        errInconsistentCardinality, expectedNumberOfValues,
+                        len(vals), vals,
+                )
        }
        for _, val := range vals {
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/promhttp/http.go b/vendor/github.com/prometheus/client_golang/prometheus/promhttp/http.go
index 0135737..668eb6b 100644
--- a/vendor/github.com/prometheus/client_golang/prometheus/promhttp/http.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/promhttp/http.go
@@ -32,7 +32,6 @@
 package promhttp
 import (
-        "bytes"
        "compress/gzip"
        "fmt"
        "io"
@@ -53,19 +52,10 @@ const (
        acceptEncodingHeader  = "Accept-Encoding"
 )
-var bufPool sync.Pool
+var gzipPool = sync.Pool{
+        New: func() interface{} {
-func getBuf() *bytes.Buffer {
+                return gzip.NewWriter(nil)
-        buf := bufPool.Get()
+        },
-        if buf == nil {
-                return &bytes.Buffer{}
-        }
-        return buf.(*bytes.Buffer)
-}
-func giveBuf(buf *bytes.Buffer) {
-        buf.Reset()
-        bufPool.Put(buf)
 }
 // Handler returns an http.Handler for the prometheus.DefaultGatherer, using
@@ -100,19 +90,18 @@ func HandlerFor(reg prometheus.Gatherer, opts HandlerOpts) http.Handler {
                inFlightSem = make(chan struct{}, opts.MaxRequestsInFlight)
        }
-        h := http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
+        h := http.HandlerFunc(func(rsp http.ResponseWriter, req *http.Request) {
                if inFlightSem != nil {
                        select {
                        case inFlightSem <- struct{}{}: // All good, carry on.
                                defer func() { <-inFlightSem }()
                        default:
-                                http.Error(w, fmt.Sprintf(
+                                http.Error(rsp, fmt.Sprintf(
                                        "Limit of concurrent requests reached (%d), try again later.", opts.MaxRequestsInFlight,
                                ), http.StatusServiceUnavailable)
                                return
                        }
                }
                mfs, err := reg.Gather()
                if err != nil {
                        if opts.ErrorLog != nil {
@@ -123,26 +112,40 @@ func HandlerFor(reg prometheus.Gatherer, opts HandlerOpts) http.Handler {
                                panic(err)
                        case ContinueOnError:
                                if len(mfs) == 0 {
-                                        http.Error(w, "No metrics gathered, last error:\n\n"+err.Error(), http.StatusInternalServerError)
+                                        // Still report the error if no metrics have been gathered.
+                                        httpError(rsp, err)
                                        return
                                }
                        case HTTPErrorOnError:
-                                http.Error(w, "An error has occurred during metrics gathering:\n\n"+err.Error(), http.StatusInternalServerError)
+                                httpError(rsp, err)
                                return
                        }
                }
                contentType := expfmt.Negotiate(req.Header)
-                buf := getBuf()
+                header := rsp.Header()
-                defer giveBuf(buf)
+                header.Set(contentTypeHeader, string(contentType))
-                writer, encoding := decorateWriter(req, buf, opts.DisableCompression)
-                enc := expfmt.NewEncoder(writer, contentType)
+                w := io.Writer(rsp)
+                if !opts.DisableCompression && gzipAccepted(req.Header) {
+                        header.Set(contentEncodingHeader, "gzip")
+                        gz := gzipPool.Get().(*gzip.Writer)
+                        defer gzipPool.Put(gz)
+                        gz.Reset(w)
+                        defer gz.Close()
+                        w = gz
+                }
+                enc := expfmt.NewEncoder(w, contentType)
                var lastErr error
                for _, mf := range mfs {
                        if err := enc.Encode(mf); err != nil {
                                lastErr = err
                                if opts.ErrorLog != nil {
-                                        opts.ErrorLog.Println("error encoding metric family:", err)
+                                        opts.ErrorLog.Println("error encoding and sending metric family:", err)
                                }
                                switch opts.ErrorHandling {
                                case PanicOnError:
@@ -150,28 +153,15 @@ func HandlerFor(reg prometheus.Gatherer, opts HandlerOpts) http.Handler {
                                case ContinueOnError:
                                        // Handled later.
                                case HTTPErrorOnError:
-                                        http.Error(w, "An error has occurred during metrics encoding:\n\n"+err.Error(), http.StatusInternalServerError)
+                                        httpError(rsp, err)
                                        return
                                }
                        }
                }
-                if closer, ok := writer.(io.Closer); ok {
-                        closer.Close()
+                if lastErr != nil {
-                }
+                        httpError(rsp, lastErr)
-                if lastErr != nil && buf.Len() == 0 {
-                        http.Error(w, "No metrics encoded, last error:\n\n"+lastErr.Error(), http.StatusInternalServerError)
-                        return
-                }
-                header := w.Header()
-                header.Set(contentTypeHeader, string(contentType))
-                header.Set(contentLengthHeader, fmt.Sprint(buf.Len()))
-                if encoding != "" {
-                        header.Set(contentEncodingHeader, encoding)
-                }
-                if _, err := w.Write(buf.Bytes()); err != nil && opts.ErrorLog != nil {
-                        opts.ErrorLog.Println("error while sending encoded metrics:", err)
                }
-                // TODO(beorn7): Consider streaming serving of metrics.
        })
        if opts.Timeout <= 0 {
@@ -292,20 +282,30 @@ type HandlerOpts struct {
        Timeout time.Duration
 }
-// decorateWriter wraps a writer to handle gzip compression if requested.  It
+// gzipAccepted returns whether the client will accept gzip-encoded content.
-// returns the decorated writer and the appropriate "Content-Encoding" header
+func gzipAccepted(header http.Header) bool {
-// (which is empty if no compression is enabled).
+        a := header.Get(acceptEncodingHeader)
-func decorateWriter(request *http.Request, writer io.Writer, compressionDisabled bool) (io.Writer, string) {
+        parts := strings.Split(a, ",")
-        if compressionDisabled {
-                return writer, ""
-        }
-        header := request.Header.Get(acceptEncodingHeader)
-        parts := strings.Split(header, ",")
        for _, part := range parts {
                part = strings.TrimSpace(part)
                if part == "gzip" || strings.HasPrefix(part, "gzip;") {
-                        return gzip.NewWriter(writer), "gzip"
+                        return true
                }
        }
-        return writer, ""
+        return false
+}
+// httpError removes any content-encoding header and then calls http.Error with
+// the provided error and http.StatusInternalServerErrer. Error contents is
+// supposed to be uncompressed plain text. However, same as with a plain
+// http.Error, any header settings will be void if the header has already been
+// sent. The error message will still be written to the writer, but it will
+// probably be of limited use.
+func httpError(rsp http.ResponseWriter, err error) {
+        rsp.Header().Del(contentEncodingHeader)
+        http.Error(
+                rsp,
+                "An error has occurred while serving metrics:\n\n"+err.Error(),
+                http.StatusInternalServerError,
+        )
 }
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/registry.go b/vendor/github.com/prometheus/client_golang/prometheus/registry.go
index e422ef3..f98c81a 100644
--- a/vendor/github.com/prometheus/client_golang/prometheus/registry.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/registry.go
@@ -16,6 +16,9 @@ package prometheus
 import (
        "bytes"
        "fmt"
+        "io/ioutil"
+        "os"
+        "path/filepath"
        "runtime"
        "sort"
        "strings"
@@ -23,6 +26,7 @@ import (
        "unicode/utf8"
        "github.com/golang/protobuf/proto"
+        "github.com/prometheus/common/expfmt"
        dto "github.com/prometheus/client_model/go"
@@ -533,6 +537,38 @@ func (r *Registry) Gather() ([]*dto.MetricFamily, error) {
        return internal.NormalizeMetricFamilies(metricFamiliesByName), errs.MaybeUnwrap()
 }
+// WriteToTextfile calls Gather on the provided Gatherer, encodes the result in the
+// Prometheus text format, and writes it to a temporary file. Upon success, the
+// temporary file is renamed to the provided filename.
+//
+// This is intended for use with the textfile collector of the node exporter.
+// Note that the node exporter expects the filename to be suffixed with ".prom".
+func WriteToTextfile(filename string, g Gatherer) error {
+        tmp, err := ioutil.TempFile(filepath.Dir(filename), filepath.Base(filename))
+        if err != nil {
+                return err
+        }
+        defer os.Remove(tmp.Name())
+        mfs, err := g.Gather()
+        if err != nil {
+                return err
+        }
+        for _, mf := range mfs {
+                if _, err := expfmt.MetricFamilyToText(tmp, mf); err != nil {
+                        return err
+                }
+        }
+        if err := tmp.Close(); err != nil {
+                return err
+        }
+        if err := os.Chmod(tmp.Name(), 0644); err != nil {
+                return err
+        }
+        return os.Rename(tmp.Name(), filename)
+}
 // processMetric is an internal helper method only used by the Gather method.
 func processMetric(
        metric Metric,
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/summary.go b/vendor/github.com/prometheus/client_golang/prometheus/summary.go
index f7e92d8..2980614 100644
--- a/vendor/github.com/prometheus/client_golang/prometheus/summary.go
+++ b/vendor/github.com/prometheus/client_golang/prometheus/summary.go
@@ -181,7 +181,7 @@ func NewSummary(opts SummaryOpts) Summary {
 func newSummary(desc *Desc, opts SummaryOpts, labelValues ...string) Summary {
        if len(desc.variableLabels) != len(labelValues) {
-                panic(errInconsistentCardinality)
+                panic(makeInconsistentCardinalityError(desc.fqName, desc.variableLabels, labelValues))
        }
        for _, n := range desc.variableLabels {
diff --git a/vendor/github.com/prometheus/procfs/.gitignore b/vendor/github.com/prometheus/procfs/.gitignore
new file mode 100644
index 0000000..25e3659
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/.gitignore
@@ -0,0 +1 @@
+/fixtures/
diff --git a/vendor/github.com/prometheus/procfs/scripts/check_license.sh b/vendor/github.com/prometheus/procfs/scripts/check_license.sh
deleted file mode 100755
index ac13e96..0000000
--- a/vendor/github.com/prometheus/procfs/scripts/check_license.sh
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/sh
-#
-# Copyright 2018 The Prometheus Authors
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-check_license() {
-  local file=""
-  for file in $(find . -type f -iname '*.go' ! -path './vendor/*'); do
-    head -n3 "${file}" | grep -Eq "(Copyright|generated|GENERATED)" || echo "  ${file}"
-  done
-}
-licRes=$(check_license)
-if [ -n "${licRes}" ]; then
-  echo "license header checking failed:"
-  echo "${licRes}"
-  exit 255
-fi
diff --git a/vendor/github.com/prometheus/procfs/sysfs/.gitignore b/vendor/github.com/prometheus/procfs/sysfs/.gitignore
new file mode 100644
index 0000000..67fc140
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/sysfs/.gitignore
@@ -0,0 +1 @@
+fixtures/
diff --git a/vendor/github.com/prometheus/procfs/ttar b/vendor/github.com/prometheus/procfs/ttar
index b0171a1..b0171a1 100755..100644
--- a/vendor/github.com/prometheus/procfs/ttar
+++ b/vendor/github.com/prometheus/procfs/ttar
diff --git a/vendor/github.com/sirupsen/logrus/.gitignore b/vendor/github.com/sirupsen/logrus/.gitignore
new file mode 100644
index 0000000..66be63a
--- /dev/null
+++ b/vendor/github.com/sirupsen/logrus/.gitignore
@@ -0,0 +1 @@
+logrus
diff --git a/vendor/github.com/sirupsen/logrus/.travis.yml b/vendor/github.com/sirupsen/logrus/.travis.yml
new file mode 100644
index 0000000..1f953be
--- /dev/null
+++ b/vendor/github.com/sirupsen/logrus/.travis.yml
@@ -0,0 +1,51 @@
+language: go
+env:
+  - GOMAXPROCS=4 GORACE=halt_on_error=1
+matrix:
+  include:
+    - go: 1.10.x
+      install:
+        - go get github.com/stretchr/testify/assert
+        - go get golang.org/x/crypto/ssh/terminal
+        - go get golang.org/x/sys/unix
+        - go get golang.org/x/sys/windows
+      script:
+        - go test -race -v ./...
+    - go: 1.11.x
+      env: GO111MODULE=on
+      install:
+        - go mod download
+      script:
+        - go test -race -v ./...
+    - go: 1.11.x
+      env: GO111MODULE=off
+      install:
+        - go get github.com/stretchr/testify/assert
+        - go get golang.org/x/crypto/ssh/terminal
+        - go get golang.org/x/sys/unix
+        - go get golang.org/x/sys/windows
+      script:
+        - go test -race -v ./...
+    - go: 1.10.x
+      install:
+        - go get github.com/stretchr/testify/assert
+        - go get golang.org/x/crypto/ssh/terminal
+        - go get golang.org/x/sys/unix
+        - go get golang.org/x/sys/windows
+      script:
+        - go test -race -v -tags appengine ./...
+    - go: 1.11.x
+      env: GO111MODULE=on
+      install:
+        - go mod download
+      script:
+        - go test -race -v -tags appengine ./...
+    - go: 1.11.x
+      env: GO111MODULE=off
+      install:
+        - go get github.com/stretchr/testify/assert
+        - go get golang.org/x/crypto/ssh/terminal
+        - go get golang.org/x/sys/unix
+        - go get golang.org/x/sys/windows
+      script:
+        - go test -race -v -tags appengine ./...
diff --git a/vendor/golang.org/x/crypto/AUTHORS b/vendor/golang.org/x/crypto/AUTHORS
new file mode 100644
index 0000000..2b00ddb
--- /dev/null
+++ b/vendor/golang.org/x/crypto/AUTHORS
@@ -0,0 +1,3 @@
+# This source code refers to The Go Authors for copyright purposes.
+# The master list of authors is in the main Go distribution,
+# visible at https://tip.golang.org/AUTHORS.
diff --git a/vendor/golang.org/x/crypto/CONTRIBUTORS b/vendor/golang.org/x/crypto/CONTRIBUTORS
new file mode 100644
index 0000000..1fbd3e9
--- /dev/null
+++ b/vendor/golang.org/x/crypto/CONTRIBUTORS
@@ -0,0 +1,3 @@
+# This source code was written by the Go contributors.
+# The master list of contributors is in the main Go distribution,
+# visible at https://tip.golang.org/CONTRIBUTORS.
diff --git a/vendor/golang.org/x/net/AUTHORS b/vendor/golang.org/x/net/AUTHORS
new file mode 100644
index 0000000..15167cd
--- /dev/null
+++ b/vendor/golang.org/x/net/AUTHORS
@@ -0,0 +1,3 @@
+# This source code refers to The Go Authors for copyright purposes.
+# The master list of authors is in the main Go distribution,
+# visible at http://tip.golang.org/AUTHORS.
diff --git a/vendor/golang.org/x/net/CONTRIBUTORS b/vendor/golang.org/x/net/CONTRIBUTORS
new file mode 100644
index 0000000..1c4577e
--- /dev/null
+++ b/vendor/golang.org/x/net/CONTRIBUTORS
@@ -0,0 +1,3 @@
+# This source code was written by the Go contributors.
+# The master list of contributors is in the main Go distribution,
+# visible at http://tip.golang.org/CONTRIBUTORS.
diff --git a/vendor/golang.org/x/net/internal/iana/gen.go b/vendor/golang.org/x/net/internal/iana/gen.go
new file mode 100644
index 0000000..2a7661c
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/iana/gen.go
@@ -0,0 +1,383 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+//go:generate go run gen.go
+// This program generates internet protocol constants and tables by
+// reading IANA protocol registries.
+package main
+import (
+        "bytes"
+        "encoding/xml"
+        "fmt"
+        "go/format"
+        "io"
+        "io/ioutil"
+        "net/http"
+        "os"
+        "strconv"
+        "strings"
+)
+var registries = []struct {
+        url   string
+        parse func(io.Writer, io.Reader) error
+}{
+        {
+                "https://www.iana.org/assignments/dscp-registry/dscp-registry.xml",
+                parseDSCPRegistry,
+        },
+        {
+                "https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xml",
+                parseProtocolNumbers,
+        },
+        {
+                "https://www.iana.org/assignments/address-family-numbers/address-family-numbers.xml",
+                parseAddrFamilyNumbers,
+        },
+}
+func main() {
+        var bb bytes.Buffer
+        fmt.Fprintf(&bb, "// go generate gen.go\n")
+        fmt.Fprintf(&bb, "// Code generated by the command above; DO NOT EDIT.\n\n")
+        fmt.Fprintf(&bb, "// Package iana provides protocol number resources managed by the Internet Assigned Numbers Authority (IANA).\n")
+        fmt.Fprintf(&bb, `package iana // import "golang.org/x/net/internal/iana"`+"\n\n")
+        for _, r := range registries {
+                resp, err := http.Get(r.url)
+                if err != nil {
+                        fmt.Fprintln(os.Stderr, err)
+                        os.Exit(1)
+                }
+                defer resp.Body.Close()
+                if resp.StatusCode != http.StatusOK {
+                        fmt.Fprintf(os.Stderr, "got HTTP status code %v for %v\n", resp.StatusCode, r.url)
+                        os.Exit(1)
+                }
+                if err := r.parse(&bb, resp.Body); err != nil {
+                        fmt.Fprintln(os.Stderr, err)
+                        os.Exit(1)
+                }
+                fmt.Fprintf(&bb, "\n")
+        }
+        b, err := format.Source(bb.Bytes())
+        if err != nil {
+                fmt.Fprintln(os.Stderr, err)
+                os.Exit(1)
+        }
+        if err := ioutil.WriteFile("const.go", b, 0644); err != nil {
+                fmt.Fprintln(os.Stderr, err)
+                os.Exit(1)
+        }
+}
+func parseDSCPRegistry(w io.Writer, r io.Reader) error {
+        dec := xml.NewDecoder(r)
+        var dr dscpRegistry
+        if err := dec.Decode(&dr); err != nil {
+                return err
+        }
+        fmt.Fprintf(w, "// %s, Updated: %s\n", dr.Title, dr.Updated)
+        fmt.Fprintf(w, "const (\n")
+        for _, dr := range dr.escapeDSCP() {
+                fmt.Fprintf(w, "DiffServ%s = %#02x", dr.Name, dr.Value)
+                fmt.Fprintf(w, "// %s\n", dr.OrigName)
+        }
+        for _, er := range dr.escapeECN() {
+                fmt.Fprintf(w, "%s = %#02x", er.Descr, er.Value)
+                fmt.Fprintf(w, "// %s\n", er.OrigDescr)
+        }
+        fmt.Fprintf(w, ")\n")
+        return nil
+}
+type dscpRegistry struct {
+        XMLName    xml.Name `xml:"registry"`
+        Title      string   `xml:"title"`
+        Updated    string   `xml:"updated"`
+        Note       string   `xml:"note"`
+        Registries []struct {
+                Title      string `xml:"title"`
+                Registries []struct {
+                        Title   string `xml:"title"`
+                        Records []struct {
+                                Name  string `xml:"name"`
+                                Space string `xml:"space"`
+                        } `xml:"record"`
+                } `xml:"registry"`
+                Records []struct {
+                        Value string `xml:"value"`
+                        Descr string `xml:"description"`
+                } `xml:"record"`
+        } `xml:"registry"`
+}
+type canonDSCPRecord struct {
+        OrigName string
+        Name     string
+        Value    int
+}
+func (drr *dscpRegistry) escapeDSCP() []canonDSCPRecord {
+        var drs []canonDSCPRecord
+        for _, preg := range drr.Registries {
+                if !strings.Contains(preg.Title, "Differentiated Services Field Codepoints") {
+                        continue
+                }
+                for _, reg := range preg.Registries {
+                        if !strings.Contains(reg.Title, "Pool 1 Codepoints") {
+                                continue
+                        }
+                        drs = make([]canonDSCPRecord, len(reg.Records))
+                        sr := strings.NewReplacer(
+                                "+", "",
+                                "-", "",
+                                "/", "",
+                                ".", "",
+                                " ", "",
+                        )
+                        for i, dr := range reg.Records {
+                                s := strings.TrimSpace(dr.Name)
+                                drs[i].OrigName = s
+                                drs[i].Name = sr.Replace(s)
+                                n, err := strconv.ParseUint(dr.Space, 2, 8)
+                                if err != nil {
+                                        continue
+                                }
+                                drs[i].Value = int(n) << 2
+                        }
+                }
+        }
+        return drs
+}
+type canonECNRecord struct {
+        OrigDescr string
+        Descr     string
+        Value     int
+}
+func (drr *dscpRegistry) escapeECN() []canonECNRecord {
+        var ers []canonECNRecord
+        for _, reg := range drr.Registries {
+                if !strings.Contains(reg.Title, "ECN Field") {
+                        continue
+                }
+                ers = make([]canonECNRecord, len(reg.Records))
+                sr := strings.NewReplacer(
+                        "Capable", "",
+                        "Not-ECT", "",
+                        "ECT(1)", "",
+                        "ECT(0)", "",
+                        "CE", "",
+                        "(", "",
+                        ")", "",
+                        "+", "",
+                        "-", "",
+                        "/", "",
+                        ".", "",
+                        " ", "",
+                )
+                for i, er := range reg.Records {
+                        s := strings.TrimSpace(er.Descr)
+                        ers[i].OrigDescr = s
+                        ss := strings.Split(s, " ")
+                        if len(ss) > 1 {
+                                ers[i].Descr = strings.Join(ss[1:], " ")
+                        } else {
+                                ers[i].Descr = ss[0]
+                        }
+                        ers[i].Descr = sr.Replace(er.Descr)
+                        n, err := strconv.ParseUint(er.Value, 2, 8)
+                        if err != nil {
+                                continue
+                        }
+                        ers[i].Value = int(n)
+                }
+        }
+        return ers
+}
+func parseProtocolNumbers(w io.Writer, r io.Reader) error {
+        dec := xml.NewDecoder(r)
+        var pn protocolNumbers
+        if err := dec.Decode(&pn); err != nil {
+                return err
+        }
+        prs := pn.escape()
+        prs = append([]canonProtocolRecord{{
+                Name:  "IP",
+                Descr: "IPv4 encapsulation, pseudo protocol number",
+                Value: 0,
+        }}, prs...)
+        fmt.Fprintf(w, "// %s, Updated: %s\n", pn.Title, pn.Updated)
+        fmt.Fprintf(w, "const (\n")
+        for _, pr := range prs {
+                if pr.Name == "" {
+                        continue
+                }
+                fmt.Fprintf(w, "Protocol%s = %d", pr.Name, pr.Value)
+                s := pr.Descr
+                if s == "" {
+                        s = pr.OrigName
+                }
+                fmt.Fprintf(w, "// %s\n", s)
+        }
+        fmt.Fprintf(w, ")\n")
+        return nil
+}
+type protocolNumbers struct {
+        XMLName  xml.Name `xml:"registry"`
+        Title    string   `xml:"title"`
+        Updated  string   `xml:"updated"`
+        RegTitle string   `xml:"registry>title"`
+        Note     string   `xml:"registry>note"`
+        Records  []struct {
+                Value string `xml:"value"`
+                Name  string `xml:"name"`
+                Descr string `xml:"description"`
+        } `xml:"registry>record"`
+}
+type canonProtocolRecord struct {
+        OrigName string
+        Name     string
+        Descr    string
+        Value    int
+}
+func (pn *protocolNumbers) escape() []canonProtocolRecord {
+        prs := make([]canonProtocolRecord, len(pn.Records))
+        sr := strings.NewReplacer(
+                "-in-", "in",
+                "-within-", "within",
+                "-over-", "over",
+                "+", "P",
+                "-", "",
+                "/", "",
+                ".", "",
+                " ", "",
+        )
+        for i, pr := range pn.Records {
+                if strings.Contains(pr.Name, "Deprecated") ||
+                        strings.Contains(pr.Name, "deprecated") {
+                        continue
+                }
+                prs[i].OrigName = pr.Name
+                s := strings.TrimSpace(pr.Name)
+                switch pr.Name {
+                case "ISIS over IPv4":
+                        prs[i].Name = "ISIS"
+                case "manet":
+                        prs[i].Name = "MANET"
+                default:
+                        prs[i].Name = sr.Replace(s)
+                }
+                ss := strings.Split(pr.Descr, "\n")
+                for i := range ss {
+                        ss[i] = strings.TrimSpace(ss[i])
+                }
+                if len(ss) > 1 {
+                        prs[i].Descr = strings.Join(ss, " ")
+                } else {
+                        prs[i].Descr = ss[0]
+                }
+                prs[i].Value, _ = strconv.Atoi(pr.Value)
+        }
+        return prs
+}
+func parseAddrFamilyNumbers(w io.Writer, r io.Reader) error {
+        dec := xml.NewDecoder(r)
+        var afn addrFamilylNumbers
+        if err := dec.Decode(&afn); err != nil {
+                return err
+        }
+        afrs := afn.escape()
+        fmt.Fprintf(w, "// %s, Updated: %s\n", afn.Title, afn.Updated)
+        fmt.Fprintf(w, "const (\n")
+        for _, afr := range afrs {
+                if afr.Name == "" {
+                        continue
+                }
+                fmt.Fprintf(w, "AddrFamily%s = %d", afr.Name, afr.Value)
+                fmt.Fprintf(w, "// %s\n", afr.Descr)
+        }
+        fmt.Fprintf(w, ")\n")
+        return nil
+}
+type addrFamilylNumbers struct {
+        XMLName  xml.Name `xml:"registry"`
+        Title    string   `xml:"title"`
+        Updated  string   `xml:"updated"`
+        RegTitle string   `xml:"registry>title"`
+        Note     string   `xml:"registry>note"`
+        Records  []struct {
+                Value string `xml:"value"`
+                Descr string `xml:"description"`
+        } `xml:"registry>record"`
+}
+type canonAddrFamilyRecord struct {
+        Name  string
+        Descr string
+        Value int
+}
+func (afn *addrFamilylNumbers) escape() []canonAddrFamilyRecord {
+        afrs := make([]canonAddrFamilyRecord, len(afn.Records))
+        sr := strings.NewReplacer(
+                "IP version 4", "IPv4",
+                "IP version 6", "IPv6",
+                "Identifier", "ID",
+                "-", "",
+                "-", "",
+                "/", "",
+                ".", "",
+                " ", "",
+        )
+        for i, afr := range afn.Records {
+                if strings.Contains(afr.Descr, "Unassigned") ||
+                        strings.Contains(afr.Descr, "Reserved") {
+                        continue
+                }
+                afrs[i].Descr = afr.Descr
+                s := strings.TrimSpace(afr.Descr)
+                switch s {
+                case "IP (IP version 4)":
+                        afrs[i].Name = "IPv4"
+                case "IP6 (IP version 6)":
+                        afrs[i].Name = "IPv6"
+                case "AFI for L2VPN information":
+                        afrs[i].Name = "L2VPN"
+                case "E.164 with NSAP format subaddress":
+                        afrs[i].Name = "E164withSubaddress"
+                case "MT IP: Multi-Topology IP version 4":
+                        afrs[i].Name = "MTIPv4"
+                case "MAC/24":
+                        afrs[i].Name = "MACFinal24bits"
+                case "MAC/40":
+                        afrs[i].Name = "MACFinal40bits"
+                case "IPv6/64":
+                        afrs[i].Name = "IPv6Initial64bits"
+                default:
+                        n := strings.Index(s, "(")
+                        if n > 0 {
+                                s = s[:n]
+                        }
+                        n = strings.Index(s, ":")
+                        if n > 0 {
+                                s = s[:n]
+                        }
+                        afrs[i].Name = sr.Replace(s)
+                }
+                afrs[i].Value, _ = strconv.Atoi(afr.Value)
+        }
+        return afrs
+}
diff --git a/vendor/golang.org/x/net/internal/socket/defs_darwin.go b/vendor/golang.org/x/net/internal/socket/defs_darwin.go
new file mode 100644
index 0000000..14e28c0
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/socket/defs_darwin.go
@@ -0,0 +1,44 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// +godefs map struct_in_addr [4]byte /* in_addr */
+// +godefs map struct_in6_addr [16]byte /* in6_addr */
+package socket
+/*
+#include <sys/socket.h>
+#include <netinet/in.h>
+*/
+import "C"
+const (
+        sysAF_UNSPEC = C.AF_UNSPEC
+        sysAF_INET   = C.AF_INET
+        sysAF_INET6  = C.AF_INET6
+        sysSOCK_RAW = C.SOCK_RAW
+)
+type iovec C.struct_iovec
+type msghdr C.struct_msghdr
+type cmsghdr C.struct_cmsghdr
+type sockaddrInet C.struct_sockaddr_in
+type sockaddrInet6 C.struct_sockaddr_in6
+const (
+        sizeofIovec   = C.sizeof_struct_iovec
+        sizeofMsghdr  = C.sizeof_struct_msghdr
+        sizeofCmsghdr = C.sizeof_struct_cmsghdr
+        sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
+        sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
+)
diff --git a/vendor/golang.org/x/net/internal/socket/defs_dragonfly.go b/vendor/golang.org/x/net/internal/socket/defs_dragonfly.go
new file mode 100644
index 0000000..14e28c0
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/socket/defs_dragonfly.go
@@ -0,0 +1,44 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// +godefs map struct_in_addr [4]byte /* in_addr */
+// +godefs map struct_in6_addr [16]byte /* in6_addr */
+package socket
+/*
+#include <sys/socket.h>
+#include <netinet/in.h>
+*/
+import "C"
+const (
+        sysAF_UNSPEC = C.AF_UNSPEC
+        sysAF_INET   = C.AF_INET
+        sysAF_INET6  = C.AF_INET6
+        sysSOCK_RAW = C.SOCK_RAW
+)
+type iovec C.struct_iovec
+type msghdr C.struct_msghdr
+type cmsghdr C.struct_cmsghdr
+type sockaddrInet C.struct_sockaddr_in
+type sockaddrInet6 C.struct_sockaddr_in6
+const (
+        sizeofIovec   = C.sizeof_struct_iovec
+        sizeofMsghdr  = C.sizeof_struct_msghdr
+        sizeofCmsghdr = C.sizeof_struct_cmsghdr
+        sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
+        sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
+)
diff --git a/vendor/golang.org/x/net/internal/socket/defs_freebsd.go b/vendor/golang.org/x/net/internal/socket/defs_freebsd.go
new file mode 100644
index 0000000..14e28c0
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/socket/defs_freebsd.go
@@ -0,0 +1,44 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// +godefs map struct_in_addr [4]byte /* in_addr */
+// +godefs map struct_in6_addr [16]byte /* in6_addr */
+package socket
+/*
+#include <sys/socket.h>
+#include <netinet/in.h>
+*/
+import "C"
+const (
+        sysAF_UNSPEC = C.AF_UNSPEC
+        sysAF_INET   = C.AF_INET
+        sysAF_INET6  = C.AF_INET6
+        sysSOCK_RAW = C.SOCK_RAW
+)
+type iovec C.struct_iovec
+type msghdr C.struct_msghdr
+type cmsghdr C.struct_cmsghdr
+type sockaddrInet C.struct_sockaddr_in
+type sockaddrInet6 C.struct_sockaddr_in6
+const (
+        sizeofIovec   = C.sizeof_struct_iovec
+        sizeofMsghdr  = C.sizeof_struct_msghdr
+        sizeofCmsghdr = C.sizeof_struct_cmsghdr
+        sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
+        sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
+)
diff --git a/vendor/golang.org/x/net/internal/socket/defs_linux.go b/vendor/golang.org/x/net/internal/socket/defs_linux.go
new file mode 100644
index 0000000..ce9ec2f
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/socket/defs_linux.go
@@ -0,0 +1,49 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// +godefs map struct_in_addr [4]byte /* in_addr */
+// +godefs map struct_in6_addr [16]byte /* in6_addr */
+package socket
+/*
+#include <linux/in.h>
+#include <linux/in6.h>
+#define _GNU_SOURCE
+#include <sys/socket.h>
+*/
+import "C"
+const (
+        sysAF_UNSPEC = C.AF_UNSPEC
+        sysAF_INET   = C.AF_INET
+        sysAF_INET6  = C.AF_INET6
+        sysSOCK_RAW = C.SOCK_RAW
+)
+type iovec C.struct_iovec
+type msghdr C.struct_msghdr
+type mmsghdr C.struct_mmsghdr
+type cmsghdr C.struct_cmsghdr
+type sockaddrInet C.struct_sockaddr_in
+type sockaddrInet6 C.struct_sockaddr_in6
+const (
+        sizeofIovec   = C.sizeof_struct_iovec
+        sizeofMsghdr  = C.sizeof_struct_msghdr
+        sizeofMmsghdr = C.sizeof_struct_mmsghdr
+        sizeofCmsghdr = C.sizeof_struct_cmsghdr
+        sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
+        sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
+)
diff --git a/vendor/golang.org/x/net/internal/socket/defs_netbsd.go b/vendor/golang.org/x/net/internal/socket/defs_netbsd.go
new file mode 100644
index 0000000..3f84335
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/socket/defs_netbsd.go
@@ -0,0 +1,47 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// +godefs map struct_in_addr [4]byte /* in_addr */
+// +godefs map struct_in6_addr [16]byte /* in6_addr */
+package socket
+/*
+#include <sys/socket.h>
+#include <netinet/in.h>
+*/
+import "C"
+const (
+        sysAF_UNSPEC = C.AF_UNSPEC
+        sysAF_INET   = C.AF_INET
+        sysAF_INET6  = C.AF_INET6
+        sysSOCK_RAW = C.SOCK_RAW
+)
+type iovec C.struct_iovec
+type msghdr C.struct_msghdr
+type mmsghdr C.struct_mmsghdr
+type cmsghdr C.struct_cmsghdr
+type sockaddrInet C.struct_sockaddr_in
+type sockaddrInet6 C.struct_sockaddr_in6
+const (
+        sizeofIovec   = C.sizeof_struct_iovec
+        sizeofMsghdr  = C.sizeof_struct_msghdr
+        sizeofMmsghdr = C.sizeof_struct_mmsghdr
+        sizeofCmsghdr = C.sizeof_struct_cmsghdr
+        sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
+        sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
+)
diff --git a/vendor/golang.org/x/net/internal/socket/defs_openbsd.go b/vendor/golang.org/x/net/internal/socket/defs_openbsd.go
new file mode 100644
index 0000000..14e28c0
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/socket/defs_openbsd.go
@@ -0,0 +1,44 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// +godefs map struct_in_addr [4]byte /* in_addr */
+// +godefs map struct_in6_addr [16]byte /* in6_addr */
+package socket
+/*
+#include <sys/socket.h>
+#include <netinet/in.h>
+*/
+import "C"
+const (
+        sysAF_UNSPEC = C.AF_UNSPEC
+        sysAF_INET   = C.AF_INET
+        sysAF_INET6  = C.AF_INET6
+        sysSOCK_RAW = C.SOCK_RAW
+)
+type iovec C.struct_iovec
+type msghdr C.struct_msghdr
+type cmsghdr C.struct_cmsghdr
+type sockaddrInet C.struct_sockaddr_in
+type sockaddrInet6 C.struct_sockaddr_in6
+const (
+        sizeofIovec   = C.sizeof_struct_iovec
+        sizeofMsghdr  = C.sizeof_struct_msghdr
+        sizeofCmsghdr = C.sizeof_struct_cmsghdr
+        sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
+        sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
+)
diff --git a/vendor/golang.org/x/net/internal/socket/defs_solaris.go b/vendor/golang.org/x/net/internal/socket/defs_solaris.go
new file mode 100644
index 0000000..14e28c0
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/socket/defs_solaris.go
@@ -0,0 +1,44 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// +godefs map struct_in_addr [4]byte /* in_addr */
+// +godefs map struct_in6_addr [16]byte /* in6_addr */
+package socket
+/*
+#include <sys/socket.h>
+#include <netinet/in.h>
+*/
+import "C"
+const (
+        sysAF_UNSPEC = C.AF_UNSPEC
+        sysAF_INET   = C.AF_INET
+        sysAF_INET6  = C.AF_INET6
+        sysSOCK_RAW = C.SOCK_RAW
+)
+type iovec C.struct_iovec
+type msghdr C.struct_msghdr
+type cmsghdr C.struct_cmsghdr
+type sockaddrInet C.struct_sockaddr_in
+type sockaddrInet6 C.struct_sockaddr_in6
+const (
+        sizeofIovec   = C.sizeof_struct_iovec
+        sizeofMsghdr  = C.sizeof_struct_msghdr
+        sizeofCmsghdr = C.sizeof_struct_cmsghdr
+        sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
+        sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
+)
diff --git a/vendor/golang.org/x/net/ipv4/defs_darwin.go b/vendor/golang.org/x/net/ipv4/defs_darwin.go
new file mode 100644
index 0000000..c8f2e05
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/defs_darwin.go
@@ -0,0 +1,77 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// +godefs map struct_in_addr [4]byte /* in_addr */
+package ipv4
+/*
+#include <sys/socket.h>
+#include <netinet/in.h>
+*/
+import "C"
+const (
+        sysIP_OPTIONS     = C.IP_OPTIONS
+        sysIP_HDRINCL     = C.IP_HDRINCL
+        sysIP_TOS         = C.IP_TOS
+        sysIP_TTL         = C.IP_TTL
+        sysIP_RECVOPTS    = C.IP_RECVOPTS
+        sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
+        sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
+        sysIP_RETOPTS     = C.IP_RETOPTS
+        sysIP_RECVIF      = C.IP_RECVIF
+        sysIP_STRIPHDR    = C.IP_STRIPHDR
+        sysIP_RECVTTL     = C.IP_RECVTTL
+        sysIP_BOUND_IF    = C.IP_BOUND_IF
+        sysIP_PKTINFO     = C.IP_PKTINFO
+        sysIP_RECVPKTINFO = C.IP_RECVPKTINFO
+        sysIP_MULTICAST_IF           = C.IP_MULTICAST_IF
+        sysIP_MULTICAST_TTL          = C.IP_MULTICAST_TTL
+        sysIP_MULTICAST_LOOP         = C.IP_MULTICAST_LOOP
+        sysIP_ADD_MEMBERSHIP         = C.IP_ADD_MEMBERSHIP
+        sysIP_DROP_MEMBERSHIP        = C.IP_DROP_MEMBERSHIP
+        sysIP_MULTICAST_VIF          = C.IP_MULTICAST_VIF
+        sysIP_MULTICAST_IFINDEX      = C.IP_MULTICAST_IFINDEX
+        sysIP_ADD_SOURCE_MEMBERSHIP  = C.IP_ADD_SOURCE_MEMBERSHIP
+        sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
+        sysIP_BLOCK_SOURCE           = C.IP_BLOCK_SOURCE
+        sysIP_UNBLOCK_SOURCE         = C.IP_UNBLOCK_SOURCE
+        sysMCAST_JOIN_GROUP          = C.MCAST_JOIN_GROUP
+        sysMCAST_LEAVE_GROUP         = C.MCAST_LEAVE_GROUP
+        sysMCAST_JOIN_SOURCE_GROUP   = C.MCAST_JOIN_SOURCE_GROUP
+        sysMCAST_LEAVE_SOURCE_GROUP  = C.MCAST_LEAVE_SOURCE_GROUP
+        sysMCAST_BLOCK_SOURCE        = C.MCAST_BLOCK_SOURCE
+        sysMCAST_UNBLOCK_SOURCE      = C.MCAST_UNBLOCK_SOURCE
+        sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
+        sizeofSockaddrInet    = C.sizeof_struct_sockaddr_in
+        sizeofInetPktinfo     = C.sizeof_struct_in_pktinfo
+        sizeofIPMreq         = C.sizeof_struct_ip_mreq
+        sizeofIPMreqn        = C.sizeof_struct_ip_mreqn
+        sizeofIPMreqSource   = C.sizeof_struct_ip_mreq_source
+        sizeofGroupReq       = C.sizeof_struct_group_req
+        sizeofGroupSourceReq = C.sizeof_struct_group_source_req
+)
+type sockaddrStorage C.struct_sockaddr_storage
+type sockaddrInet C.struct_sockaddr_in
+type inetPktinfo C.struct_in_pktinfo
+type ipMreq C.struct_ip_mreq
+type ipMreqn C.struct_ip_mreqn
+type ipMreqSource C.struct_ip_mreq_source
+type groupReq C.struct_group_req
+type groupSourceReq C.struct_group_source_req
diff --git a/vendor/golang.org/x/net/ipv4/defs_dragonfly.go b/vendor/golang.org/x/net/ipv4/defs_dragonfly.go
new file mode 100644
index 0000000..f30544e
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/defs_dragonfly.go
@@ -0,0 +1,38 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// +godefs map struct_in_addr [4]byte /* in_addr */
+package ipv4
+/*
+#include <netinet/in.h>
+*/
+import "C"
+const (
+        sysIP_OPTIONS     = C.IP_OPTIONS
+        sysIP_HDRINCL     = C.IP_HDRINCL
+        sysIP_TOS         = C.IP_TOS
+        sysIP_TTL         = C.IP_TTL
+        sysIP_RECVOPTS    = C.IP_RECVOPTS
+        sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
+        sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
+        sysIP_RETOPTS     = C.IP_RETOPTS
+        sysIP_RECVIF      = C.IP_RECVIF
+        sysIP_RECVTTL     = C.IP_RECVTTL
+        sysIP_MULTICAST_IF    = C.IP_MULTICAST_IF
+        sysIP_MULTICAST_TTL   = C.IP_MULTICAST_TTL
+        sysIP_MULTICAST_LOOP  = C.IP_MULTICAST_LOOP
+        sysIP_MULTICAST_VIF   = C.IP_MULTICAST_VIF
+        sysIP_ADD_MEMBERSHIP  = C.IP_ADD_MEMBERSHIP
+        sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
+        sizeofIPMreq = C.sizeof_struct_ip_mreq
+)
+type ipMreq C.struct_ip_mreq
diff --git a/vendor/golang.org/x/net/ipv4/defs_freebsd.go b/vendor/golang.org/x/net/ipv4/defs_freebsd.go
new file mode 100644
index 0000000..4dd57d8
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/defs_freebsd.go
@@ -0,0 +1,75 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// +godefs map struct_in_addr [4]byte /* in_addr */
+package ipv4
+/*
+#include <sys/socket.h>
+#include <netinet/in.h>
+*/
+import "C"
+const (
+        sysIP_OPTIONS     = C.IP_OPTIONS
+        sysIP_HDRINCL     = C.IP_HDRINCL
+        sysIP_TOS         = C.IP_TOS
+        sysIP_TTL         = C.IP_TTL
+        sysIP_RECVOPTS    = C.IP_RECVOPTS
+        sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
+        sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
+        sysIP_SENDSRCADDR = C.IP_SENDSRCADDR
+        sysIP_RETOPTS     = C.IP_RETOPTS
+        sysIP_RECVIF      = C.IP_RECVIF
+        sysIP_ONESBCAST   = C.IP_ONESBCAST
+        sysIP_BINDANY     = C.IP_BINDANY
+        sysIP_RECVTTL     = C.IP_RECVTTL
+        sysIP_MINTTL      = C.IP_MINTTL
+        sysIP_DONTFRAG    = C.IP_DONTFRAG
+        sysIP_RECVTOS     = C.IP_RECVTOS
+        sysIP_MULTICAST_IF           = C.IP_MULTICAST_IF
+        sysIP_MULTICAST_TTL          = C.IP_MULTICAST_TTL
+        sysIP_MULTICAST_LOOP         = C.IP_MULTICAST_LOOP
+        sysIP_ADD_MEMBERSHIP         = C.IP_ADD_MEMBERSHIP
+        sysIP_DROP_MEMBERSHIP        = C.IP_DROP_MEMBERSHIP
+        sysIP_MULTICAST_VIF          = C.IP_MULTICAST_VIF
+        sysIP_ADD_SOURCE_MEMBERSHIP  = C.IP_ADD_SOURCE_MEMBERSHIP
+        sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
+        sysIP_BLOCK_SOURCE           = C.IP_BLOCK_SOURCE
+        sysIP_UNBLOCK_SOURCE         = C.IP_UNBLOCK_SOURCE
+        sysMCAST_JOIN_GROUP          = C.MCAST_JOIN_GROUP
+        sysMCAST_LEAVE_GROUP         = C.MCAST_LEAVE_GROUP
+        sysMCAST_JOIN_SOURCE_GROUP   = C.MCAST_JOIN_SOURCE_GROUP
+        sysMCAST_LEAVE_SOURCE_GROUP  = C.MCAST_LEAVE_SOURCE_GROUP
+        sysMCAST_BLOCK_SOURCE        = C.MCAST_BLOCK_SOURCE
+        sysMCAST_UNBLOCK_SOURCE      = C.MCAST_UNBLOCK_SOURCE
+        sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
+        sizeofSockaddrInet    = C.sizeof_struct_sockaddr_in
+        sizeofIPMreq         = C.sizeof_struct_ip_mreq
+        sizeofIPMreqn        = C.sizeof_struct_ip_mreqn
+        sizeofIPMreqSource   = C.sizeof_struct_ip_mreq_source
+        sizeofGroupReq       = C.sizeof_struct_group_req
+        sizeofGroupSourceReq = C.sizeof_struct_group_source_req
+)
+type sockaddrStorage C.struct_sockaddr_storage
+type sockaddrInet C.struct_sockaddr_in
+type ipMreq C.struct_ip_mreq
+type ipMreqn C.struct_ip_mreqn
+type ipMreqSource C.struct_ip_mreq_source
+type groupReq C.struct_group_req
+type groupSourceReq C.struct_group_source_req
diff --git a/vendor/golang.org/x/net/ipv4/defs_linux.go b/vendor/golang.org/x/net/ipv4/defs_linux.go
new file mode 100644
index 0000000..beb1107
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/defs_linux.go
@@ -0,0 +1,122 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// +godefs map struct_in_addr [4]byte /* in_addr */
+package ipv4
+/*
+#include <time.h>
+#include <linux/errqueue.h>
+#include <linux/icmp.h>
+#include <linux/in.h>
+#include <linux/filter.h>
+#include <sys/socket.h>
+*/
+import "C"
+const (
+        sysIP_TOS             = C.IP_TOS
+        sysIP_TTL             = C.IP_TTL
+        sysIP_HDRINCL         = C.IP_HDRINCL
+        sysIP_OPTIONS         = C.IP_OPTIONS
+        sysIP_ROUTER_ALERT    = C.IP_ROUTER_ALERT
+        sysIP_RECVOPTS        = C.IP_RECVOPTS
+        sysIP_RETOPTS         = C.IP_RETOPTS
+        sysIP_PKTINFO         = C.IP_PKTINFO
+        sysIP_PKTOPTIONS      = C.IP_PKTOPTIONS
+        sysIP_MTU_DISCOVER    = C.IP_MTU_DISCOVER
+        sysIP_RECVERR         = C.IP_RECVERR
+        sysIP_RECVTTL         = C.IP_RECVTTL
+        sysIP_RECVTOS         = C.IP_RECVTOS
+        sysIP_MTU             = C.IP_MTU
+        sysIP_FREEBIND        = C.IP_FREEBIND
+        sysIP_TRANSPARENT     = C.IP_TRANSPARENT
+        sysIP_RECVRETOPTS     = C.IP_RECVRETOPTS
+        sysIP_ORIGDSTADDR     = C.IP_ORIGDSTADDR
+        sysIP_RECVORIGDSTADDR = C.IP_RECVORIGDSTADDR
+        sysIP_MINTTL          = C.IP_MINTTL
+        sysIP_NODEFRAG        = C.IP_NODEFRAG
+        sysIP_UNICAST_IF      = C.IP_UNICAST_IF
+        sysIP_MULTICAST_IF           = C.IP_MULTICAST_IF
+        sysIP_MULTICAST_TTL          = C.IP_MULTICAST_TTL
+        sysIP_MULTICAST_LOOP         = C.IP_MULTICAST_LOOP
+        sysIP_ADD_MEMBERSHIP         = C.IP_ADD_MEMBERSHIP
+        sysIP_DROP_MEMBERSHIP        = C.IP_DROP_MEMBERSHIP
+        sysIP_UNBLOCK_SOURCE         = C.IP_UNBLOCK_SOURCE
+        sysIP_BLOCK_SOURCE           = C.IP_BLOCK_SOURCE
+        sysIP_ADD_SOURCE_MEMBERSHIP  = C.IP_ADD_SOURCE_MEMBERSHIP
+        sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
+        sysIP_MSFILTER               = C.IP_MSFILTER
+        sysMCAST_JOIN_GROUP          = C.MCAST_JOIN_GROUP
+        sysMCAST_LEAVE_GROUP         = C.MCAST_LEAVE_GROUP
+        sysMCAST_JOIN_SOURCE_GROUP   = C.MCAST_JOIN_SOURCE_GROUP
+        sysMCAST_LEAVE_SOURCE_GROUP  = C.MCAST_LEAVE_SOURCE_GROUP
+        sysMCAST_BLOCK_SOURCE        = C.MCAST_BLOCK_SOURCE
+        sysMCAST_UNBLOCK_SOURCE      = C.MCAST_UNBLOCK_SOURCE
+        sysMCAST_MSFILTER            = C.MCAST_MSFILTER
+        sysIP_MULTICAST_ALL          = C.IP_MULTICAST_ALL
+        //sysIP_PMTUDISC_DONT      = C.IP_PMTUDISC_DONT
+        //sysIP_PMTUDISC_WANT      = C.IP_PMTUDISC_WANT
+        //sysIP_PMTUDISC_DO        = C.IP_PMTUDISC_DO
+        //sysIP_PMTUDISC_PROBE     = C.IP_PMTUDISC_PROBE
+        //sysIP_PMTUDISC_INTERFACE = C.IP_PMTUDISC_INTERFACE
+        //sysIP_PMTUDISC_OMIT      = C.IP_PMTUDISC_OMIT
+        sysICMP_FILTER = C.ICMP_FILTER
+        sysSO_EE_ORIGIN_NONE         = C.SO_EE_ORIGIN_NONE
+        sysSO_EE_ORIGIN_LOCAL        = C.SO_EE_ORIGIN_LOCAL
+        sysSO_EE_ORIGIN_ICMP         = C.SO_EE_ORIGIN_ICMP
+        sysSO_EE_ORIGIN_ICMP6        = C.SO_EE_ORIGIN_ICMP6
+        sysSO_EE_ORIGIN_TXSTATUS     = C.SO_EE_ORIGIN_TXSTATUS
+        sysSO_EE_ORIGIN_TIMESTAMPING = C.SO_EE_ORIGIN_TIMESTAMPING
+        sysSOL_SOCKET       = C.SOL_SOCKET
+        sysSO_ATTACH_FILTER = C.SO_ATTACH_FILTER
+        sizeofKernelSockaddrStorage = C.sizeof_struct___kernel_sockaddr_storage
+        sizeofSockaddrInet          = C.sizeof_struct_sockaddr_in
+        sizeofInetPktinfo           = C.sizeof_struct_in_pktinfo
+        sizeofSockExtendedErr       = C.sizeof_struct_sock_extended_err
+        sizeofIPMreq         = C.sizeof_struct_ip_mreq
+        sizeofIPMreqn        = C.sizeof_struct_ip_mreqn
+        sizeofIPMreqSource   = C.sizeof_struct_ip_mreq_source
+        sizeofGroupReq       = C.sizeof_struct_group_req
+        sizeofGroupSourceReq = C.sizeof_struct_group_source_req
+        sizeofICMPFilter = C.sizeof_struct_icmp_filter
+        sizeofSockFprog = C.sizeof_struct_sock_fprog
+)
+type kernelSockaddrStorage C.struct___kernel_sockaddr_storage
+type sockaddrInet C.struct_sockaddr_in
+type inetPktinfo C.struct_in_pktinfo
+type sockExtendedErr C.struct_sock_extended_err
+type ipMreq C.struct_ip_mreq
+type ipMreqn C.struct_ip_mreqn
+type ipMreqSource C.struct_ip_mreq_source
+type groupReq C.struct_group_req
+type groupSourceReq C.struct_group_source_req
+type icmpFilter C.struct_icmp_filter
+type sockFProg C.struct_sock_fprog
+type sockFilter C.struct_sock_filter
diff --git a/vendor/golang.org/x/net/ipv4/defs_netbsd.go b/vendor/golang.org/x/net/ipv4/defs_netbsd.go
new file mode 100644
index 0000000..8f8af1b
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/defs_netbsd.go
@@ -0,0 +1,37 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// +godefs map struct_in_addr [4]byte /* in_addr */
+package ipv4
+/*
+#include <netinet/in.h>
+*/
+import "C"
+const (
+        sysIP_OPTIONS     = C.IP_OPTIONS
+        sysIP_HDRINCL     = C.IP_HDRINCL
+        sysIP_TOS         = C.IP_TOS
+        sysIP_TTL         = C.IP_TTL
+        sysIP_RECVOPTS    = C.IP_RECVOPTS
+        sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
+        sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
+        sysIP_RETOPTS     = C.IP_RETOPTS
+        sysIP_RECVIF      = C.IP_RECVIF
+        sysIP_RECVTTL     = C.IP_RECVTTL
+        sysIP_MULTICAST_IF    = C.IP_MULTICAST_IF
+        sysIP_MULTICAST_TTL   = C.IP_MULTICAST_TTL
+        sysIP_MULTICAST_LOOP  = C.IP_MULTICAST_LOOP
+        sysIP_ADD_MEMBERSHIP  = C.IP_ADD_MEMBERSHIP
+        sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
+        sizeofIPMreq = C.sizeof_struct_ip_mreq
+)
+type ipMreq C.struct_ip_mreq
diff --git a/vendor/golang.org/x/net/ipv4/defs_openbsd.go b/vendor/golang.org/x/net/ipv4/defs_openbsd.go
new file mode 100644
index 0000000..8f8af1b
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/defs_openbsd.go
@@ -0,0 +1,37 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// +godefs map struct_in_addr [4]byte /* in_addr */
+package ipv4
+/*
+#include <netinet/in.h>
+*/
+import "C"
+const (
+        sysIP_OPTIONS     = C.IP_OPTIONS
+        sysIP_HDRINCL     = C.IP_HDRINCL
+        sysIP_TOS         = C.IP_TOS
+        sysIP_TTL         = C.IP_TTL
+        sysIP_RECVOPTS    = C.IP_RECVOPTS
+        sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
+        sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
+        sysIP_RETOPTS     = C.IP_RETOPTS
+        sysIP_RECVIF      = C.IP_RECVIF
+        sysIP_RECVTTL     = C.IP_RECVTTL
+        sysIP_MULTICAST_IF    = C.IP_MULTICAST_IF
+        sysIP_MULTICAST_TTL   = C.IP_MULTICAST_TTL
+        sysIP_MULTICAST_LOOP  = C.IP_MULTICAST_LOOP
+        sysIP_ADD_MEMBERSHIP  = C.IP_ADD_MEMBERSHIP
+        sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
+        sizeofIPMreq = C.sizeof_struct_ip_mreq
+)
+type ipMreq C.struct_ip_mreq
diff --git a/vendor/golang.org/x/net/ipv4/defs_solaris.go b/vendor/golang.org/x/net/ipv4/defs_solaris.go
new file mode 100644
index 0000000..aeb33e9
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/defs_solaris.go
@@ -0,0 +1,84 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// +godefs map struct_in_addr [4]byte /* in_addr */
+package ipv4
+/*
+#include <sys/socket.h>
+#include <netinet/in.h>
+*/
+import "C"
+const (
+        sysIP_OPTIONS     = C.IP_OPTIONS
+        sysIP_HDRINCL     = C.IP_HDRINCL
+        sysIP_TOS         = C.IP_TOS
+        sysIP_TTL         = C.IP_TTL
+        sysIP_RECVOPTS    = C.IP_RECVOPTS
+        sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
+        sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
+        sysIP_RETOPTS     = C.IP_RETOPTS
+        sysIP_RECVIF      = C.IP_RECVIF
+        sysIP_RECVSLLA    = C.IP_RECVSLLA
+        sysIP_RECVTTL     = C.IP_RECVTTL
+        sysIP_MULTICAST_IF           = C.IP_MULTICAST_IF
+        sysIP_MULTICAST_TTL          = C.IP_MULTICAST_TTL
+        sysIP_MULTICAST_LOOP         = C.IP_MULTICAST_LOOP
+        sysIP_ADD_MEMBERSHIP         = C.IP_ADD_MEMBERSHIP
+        sysIP_DROP_MEMBERSHIP        = C.IP_DROP_MEMBERSHIP
+        sysIP_BLOCK_SOURCE           = C.IP_BLOCK_SOURCE
+        sysIP_UNBLOCK_SOURCE         = C.IP_UNBLOCK_SOURCE
+        sysIP_ADD_SOURCE_MEMBERSHIP  = C.IP_ADD_SOURCE_MEMBERSHIP
+        sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
+        sysIP_NEXTHOP                = C.IP_NEXTHOP
+        sysIP_PKTINFO     = C.IP_PKTINFO
+        sysIP_RECVPKTINFO = C.IP_RECVPKTINFO
+        sysIP_DONTFRAG    = C.IP_DONTFRAG
+        sysIP_BOUND_IF      = C.IP_BOUND_IF
+        sysIP_UNSPEC_SRC    = C.IP_UNSPEC_SRC
+        sysIP_BROADCAST_TTL = C.IP_BROADCAST_TTL
+        sysIP_DHCPINIT_IF   = C.IP_DHCPINIT_IF
+        sysIP_REUSEADDR = C.IP_REUSEADDR
+        sysIP_DONTROUTE = C.IP_DONTROUTE
+        sysIP_BROADCAST = C.IP_BROADCAST
+        sysMCAST_JOIN_GROUP         = C.MCAST_JOIN_GROUP
+        sysMCAST_LEAVE_GROUP        = C.MCAST_LEAVE_GROUP
+        sysMCAST_BLOCK_SOURCE       = C.MCAST_BLOCK_SOURCE
+        sysMCAST_UNBLOCK_SOURCE     = C.MCAST_UNBLOCK_SOURCE
+        sysMCAST_JOIN_SOURCE_GROUP  = C.MCAST_JOIN_SOURCE_GROUP
+        sysMCAST_LEAVE_SOURCE_GROUP = C.MCAST_LEAVE_SOURCE_GROUP
+        sizeofSockaddrStorage = C.sizeof_struct_sockaddr_storage
+        sizeofSockaddrInet    = C.sizeof_struct_sockaddr_in
+        sizeofInetPktinfo     = C.sizeof_struct_in_pktinfo
+        sizeofIPMreq         = C.sizeof_struct_ip_mreq
+        sizeofIPMreqSource   = C.sizeof_struct_ip_mreq_source
+        sizeofGroupReq       = C.sizeof_struct_group_req
+        sizeofGroupSourceReq = C.sizeof_struct_group_source_req
+)
+type sockaddrStorage C.struct_sockaddr_storage
+type sockaddrInet C.struct_sockaddr_in
+type inetPktinfo C.struct_in_pktinfo
+type ipMreq C.struct_ip_mreq
+type ipMreqSource C.struct_ip_mreq_source
+type groupReq C.struct_group_req
+type groupSourceReq C.struct_group_source_req
diff --git a/vendor/golang.org/x/net/ipv4/gen.go b/vendor/golang.org/x/net/ipv4/gen.go
new file mode 100644
index 0000000..1bb1737
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv4/gen.go
@@ -0,0 +1,199 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+//go:generate go run gen.go
+// This program generates system adaptation constants and types,
+// internet protocol constants and tables by reading template files
+// and IANA protocol registries.
+package main
+import (
+        "bytes"
+        "encoding/xml"
+        "fmt"
+        "go/format"
+        "io"
+        "io/ioutil"
+        "net/http"
+        "os"
+        "os/exec"
+        "runtime"
+        "strconv"
+        "strings"
+)
+func main() {
+        if err := genzsys(); err != nil {
+                fmt.Fprintln(os.Stderr, err)
+                os.Exit(1)
+        }
+        if err := geniana(); err != nil {
+                fmt.Fprintln(os.Stderr, err)
+                os.Exit(1)
+        }
+}
+func genzsys() error {
+        defs := "defs_" + runtime.GOOS + ".go"
+        f, err := os.Open(defs)
+        if err != nil {
+                if os.IsNotExist(err) {
+                        return nil
+                }
+                return err
+        }
+        f.Close()
+        cmd := exec.Command("go", "tool", "cgo", "-godefs", defs)
+        b, err := cmd.Output()
+        if err != nil {
+                return err
+        }
+        b, err = format.Source(b)
+        if err != nil {
+                return err
+        }
+        zsys := "zsys_" + runtime.GOOS + ".go"
+        switch runtime.GOOS {
+        case "freebsd", "linux":
+                zsys = "zsys_" + runtime.GOOS + "_" + runtime.GOARCH + ".go"
+        }
+        if err := ioutil.WriteFile(zsys, b, 0644); err != nil {
+                return err
+        }
+        return nil
+}
+var registries = []struct {
+        url   string
+        parse func(io.Writer, io.Reader) error
+}{
+        {
+                "https://www.iana.org/assignments/icmp-parameters/icmp-parameters.xml",
+                parseICMPv4Parameters,
+        },
+}
+func geniana() error {
+        var bb bytes.Buffer
+        fmt.Fprintf(&bb, "// go generate gen.go\n")
+        fmt.Fprintf(&bb, "// Code generated by the command above; DO NOT EDIT.\n\n")
+        fmt.Fprintf(&bb, "package ipv4\n\n")
+        for _, r := range registries {
+                resp, err := http.Get(r.url)
+                if err != nil {
+                        return err
+                }
+                defer resp.Body.Close()
+                if resp.StatusCode != http.StatusOK {
+                        return fmt.Errorf("got HTTP status code %v for %v\n", resp.StatusCode, r.url)
+                }
+                if err := r.parse(&bb, resp.Body); err != nil {
+                        return err
+                }
+                fmt.Fprintf(&bb, "\n")
+        }
+        b, err := format.Source(bb.Bytes())
+        if err != nil {
+                return err
+        }
+        if err := ioutil.WriteFile("iana.go", b, 0644); err != nil {
+                return err
+        }
+        return nil
+}
+func parseICMPv4Parameters(w io.Writer, r io.Reader) error {
+        dec := xml.NewDecoder(r)
+        var icp icmpv4Parameters
+        if err := dec.Decode(&icp); err != nil {
+                return err
+        }
+        prs := icp.escape()
+        fmt.Fprintf(w, "// %s, Updated: %s\n", icp.Title, icp.Updated)
+        fmt.Fprintf(w, "const (\n")
+        for _, pr := range prs {
+                if pr.Descr == "" {
+                        continue
+                }
+                fmt.Fprintf(w, "ICMPType%s ICMPType = %d", pr.Descr, pr.Value)
+                fmt.Fprintf(w, "// %s\n", pr.OrigDescr)
+        }
+        fmt.Fprintf(w, ")\n\n")
+        fmt.Fprintf(w, "// %s, Updated: %s\n", icp.Title, icp.Updated)
+        fmt.Fprintf(w, "var icmpTypes = map[ICMPType]string{\n")
+        for _, pr := range prs {
+                if pr.Descr == "" {
+                        continue
+                }
+                fmt.Fprintf(w, "%d: %q,\n", pr.Value, strings.ToLower(pr.OrigDescr))
+        }
+        fmt.Fprintf(w, "}\n")
+        return nil
+}
+type icmpv4Parameters struct {
+        XMLName    xml.Name `xml:"registry"`
+        Title      string   `xml:"title"`
+        Updated    string   `xml:"updated"`
+        Registries []struct {
+                Title   string `xml:"title"`
+                Records []struct {
+                        Value string `xml:"value"`
+                        Descr string `xml:"description"`
+                } `xml:"record"`
+        } `xml:"registry"`
+}
+type canonICMPv4ParamRecord struct {
+        OrigDescr string
+        Descr     string
+        Value     int
+}
+func (icp *icmpv4Parameters) escape() []canonICMPv4ParamRecord {
+        id := -1
+        for i, r := range icp.Registries {
+                if strings.Contains(r.Title, "Type") || strings.Contains(r.Title, "type") {
+                        id = i
+                        break
+                }
+        }
+        if id < 0 {
+                return nil
+        }
+        prs := make([]canonICMPv4ParamRecord, len(icp.Registries[id].Records))
+        sr := strings.NewReplacer(
+                "Messages", "",
+                "Message", "",
+                "ICMP", "",
+                "+", "P",
+                "-", "",
+                "/", "",
+                ".", "",
+                " ", "",
+        )
+        for i, pr := range icp.Registries[id].Records {
+                if strings.Contains(pr.Descr, "Reserved") ||
+                        strings.Contains(pr.Descr, "Unassigned") ||
+                        strings.Contains(pr.Descr, "Deprecated") ||
+                        strings.Contains(pr.Descr, "Experiment") ||
+                        strings.Contains(pr.Descr, "experiment") {
+                        continue
+                }
+                ss := strings.Split(pr.Descr, "\n")
+                if len(ss) > 1 {
+                        prs[i].Descr = strings.Join(ss, " ")
+                } else {
+                        prs[i].Descr = ss[0]
+                }
+                s := strings.TrimSpace(prs[i].Descr)
+                prs[i].OrigDescr = s
+                prs[i].Descr = sr.Replace(s)
+                prs[i].Value, _ = strconv.Atoi(pr.Value)
+        }
+        return prs
+}
diff --git a/vendor/golang.org/x/sys/AUTHORS b/vendor/golang.org/x/sys/AUTHORS
new file mode 100644
index 0000000..15167cd
--- /dev/null
+++ b/vendor/golang.org/x/sys/AUTHORS
@@ -0,0 +1,3 @@
+# This source code refers to The Go Authors for copyright purposes.
+# The master list of authors is in the main Go distribution,
+# visible at http://tip.golang.org/AUTHORS.
diff --git a/vendor/golang.org/x/sys/CONTRIBUTORS b/vendor/golang.org/x/sys/CONTRIBUTORS
new file mode 100644
index 0000000..1c4577e
--- /dev/null
+++ b/vendor/golang.org/x/sys/CONTRIBUTORS
@@ -0,0 +1,3 @@
+# This source code was written by the Go contributors.
+# The master list of contributors is in the main Go distribution,
+# visible at http://tip.golang.org/CONTRIBUTORS.
diff --git a/vendor/golang.org/x/sys/unix/.gitignore b/vendor/golang.org/x/sys/unix/.gitignore
new file mode 100644
index 0000000..e3e0fc6
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/.gitignore
@@ -0,0 +1,2 @@
+_obj/
+unix.test
diff --git a/vendor/golang.org/x/sys/unix/mkall.sh b/vendor/golang.org/x/sys/unix/mkall.sh
index edb176f..edb176f 100755..100644
--- a/vendor/golang.org/x/sys/unix/mkall.sh
+++ b/vendor/golang.org/x/sys/unix/mkall.sh
diff --git a/vendor/golang.org/x/sys/unix/mkerrors.sh b/vendor/golang.org/x/sys/unix/mkerrors.sh
index 7943853..7943853 100755..100644
--- a/vendor/golang.org/x/sys/unix/mkerrors.sh
+++ b/vendor/golang.org/x/sys/unix/mkerrors.sh
diff --git a/vendor/golang.org/x/sys/unix/mkpost.go b/vendor/golang.org/x/sys/unix/mkpost.go
new file mode 100644
index 0000000..7e5c22c
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/mkpost.go
@@ -0,0 +1,98 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// mkpost processes the output of cgo -godefs to
+// modify the generated types. It is used to clean up
+// the sys API in an architecture specific manner.
+//
+// mkpost is run after cgo -godefs; see README.md.
+package main
+import (
+        "bytes"
+        "fmt"
+        "go/format"
+        "io/ioutil"
+        "log"
+        "os"
+        "regexp"
+)
+func main() {
+        // Get the OS and architecture (using GOARCH_TARGET if it exists)
+        goos := os.Getenv("GOOS")
+        goarch := os.Getenv("GOARCH_TARGET")
+        if goarch == "" {
+                goarch = os.Getenv("GOARCH")
+        }
+        // Check that we are using the new build system if we should be.
+        if goos == "linux" && goarch != "sparc64" {
+                if os.Getenv("GOLANG_SYS_BUILD") != "docker" {
+                        os.Stderr.WriteString("In the new build system, mkpost should not be called directly.\n")
+                        os.Stderr.WriteString("See README.md\n")
+                        os.Exit(1)
+                }
+        }
+        b, err := ioutil.ReadAll(os.Stdin)
+        if err != nil {
+                log.Fatal(err)
+        }
+        // Intentionally export __val fields in Fsid and Sigset_t
+        valRegex := regexp.MustCompile(`type (Fsid|Sigset_t) struct {(\s+)X__val(\s+\S+\s+)}`)
+        b = valRegex.ReplaceAll(b, []byte("type $1 struct {${2}Val$3}"))
+        // If we have empty Ptrace structs, we should delete them. Only s390x emits
+        // nonempty Ptrace structs.
+        ptraceRexexp := regexp.MustCompile(`type Ptrace((Psw|Fpregs|Per) struct {\s*})`)
+        b = ptraceRexexp.ReplaceAll(b, nil)
+        // Replace the control_regs union with a blank identifier for now.
+        controlRegsRegex := regexp.MustCompile(`(Control_regs)\s+\[0\]uint64`)
+        b = controlRegsRegex.ReplaceAll(b, []byte("_ [0]uint64"))
+        // Remove fields that are added by glibc
+        // Note that this is unstable as the identifers are private.
+        removeFieldsRegex := regexp.MustCompile(`X__glibc\S*`)
+        b = removeFieldsRegex.ReplaceAll(b, []byte("_"))
+        // Convert [65]int8 to [65]byte in Utsname members to simplify
+        // conversion to string; see golang.org/issue/20753
+        convertUtsnameRegex := regexp.MustCompile(`((Sys|Node|Domain)name|Release|Version|Machine)(\s+)\[(\d+)\]u?int8`)
+        b = convertUtsnameRegex.ReplaceAll(b, []byte("$1$3[$4]byte"))
+        // Remove spare fields (e.g. in Statx_t)
+        spareFieldsRegex := regexp.MustCompile(`X__spare\S*`)
+        b = spareFieldsRegex.ReplaceAll(b, []byte("_"))
+        // Remove cgo padding fields
+        removePaddingFieldsRegex := regexp.MustCompile(`Pad_cgo_\d+`)
+        b = removePaddingFieldsRegex.ReplaceAll(b, []byte("_"))
+        // Remove padding, hidden, or unused fields
+        removeFieldsRegex = regexp.MustCompile(`\b(X_\S+|Padding)`)
+        b = removeFieldsRegex.ReplaceAll(b, []byte("_"))
+        // Remove the first line of warning from cgo
+        b = b[bytes.IndexByte(b, '\n')+1:]
+        // Modify the command in the header to include:
+        //  mkpost, our own warning, and a build tag.
+        replacement := fmt.Sprintf(`$1 | go run mkpost.go
+// Code generated by the command above; see README.md. DO NOT EDIT.
+// +build %s,%s`, goarch, goos)
+        cgoCommandRegex := regexp.MustCompile(`(cgo -godefs .*)`)
+        b = cgoCommandRegex.ReplaceAll(b, []byte(replacement))
+        // gofmt
+        b, err = format.Source(b)
+        if err != nil {
+                log.Fatal(err)
+        }
+        os.Stdout.Write(b)
+}
diff --git a/vendor/golang.org/x/sys/unix/mksyscall.pl b/vendor/golang.org/x/sys/unix/mksyscall.pl
index 1f6b926..1f6b926 100755..100644
--- a/vendor/golang.org/x/sys/unix/mksyscall.pl
+++ b/vendor/golang.org/x/sys/unix/mksyscall.pl
diff --git a/vendor/golang.org/x/sys/unix/mksyscall_solaris.pl b/vendor/golang.org/x/sys/unix/mksyscall_solaris.pl
index 3e6ed9d..3e6ed9d 100755..100644
--- a/vendor/golang.org/x/sys/unix/mksyscall_solaris.pl
+++ b/vendor/golang.org/x/sys/unix/mksyscall_solaris.pl
diff --git a/vendor/golang.org/x/sys/unix/mksysctl_openbsd.pl b/vendor/golang.org/x/sys/unix/mksysctl_openbsd.pl
index 20632e1..20632e1 100755..100644
--- a/vendor/golang.org/x/sys/unix/mksysctl_openbsd.pl
+++ b/vendor/golang.org/x/sys/unix/mksysctl_openbsd.pl
diff --git a/vendor/golang.org/x/sys/unix/mksysnum_darwin.pl b/vendor/golang.org/x/sys/unix/mksysnum_darwin.pl
index 5453c53..5453c53 100755..100644
--- a/vendor/golang.org/x/sys/unix/mksysnum_darwin.pl
+++ b/vendor/golang.org/x/sys/unix/mksysnum_darwin.pl
diff --git a/vendor/golang.org/x/sys/unix/mksysnum_dragonfly.pl b/vendor/golang.org/x/sys/unix/mksysnum_dragonfly.pl
index 6804f41..6804f41 100755..100644
--- a/vendor/golang.org/x/sys/unix/mksysnum_dragonfly.pl
+++ b/vendor/golang.org/x/sys/unix/mksysnum_dragonfly.pl
diff --git a/vendor/golang.org/x/sys/unix/mksysnum_freebsd.pl b/vendor/golang.org/x/sys/unix/mksysnum_freebsd.pl
index 198993d..198993d 100755..100644
--- a/vendor/golang.org/x/sys/unix/mksysnum_freebsd.pl
+++ b/vendor/golang.org/x/sys/unix/mksysnum_freebsd.pl
diff --git a/vendor/golang.org/x/sys/unix/mksysnum_netbsd.pl b/vendor/golang.org/x/sys/unix/mksysnum_netbsd.pl
index 85988b1..85988b1 100755..100644
--- a/vendor/golang.org/x/sys/unix/mksysnum_netbsd.pl
+++ b/vendor/golang.org/x/sys/unix/mksysnum_netbsd.pl
diff --git a/vendor/golang.org/x/sys/unix/mksysnum_openbsd.pl b/vendor/golang.org/x/sys/unix/mksysnum_openbsd.pl
index 84edf60..84edf60 100755..100644
--- a/vendor/golang.org/x/sys/unix/mksysnum_openbsd.pl
+++ b/vendor/golang.org/x/sys/unix/mksysnum_openbsd.pl
diff --git a/vendor/golang.org/x/sys/unix/types_aix.go b/vendor/golang.org/x/sys/unix/types_aix.go
new file mode 100644
index 0000000..25e8349
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/types_aix.go
@@ -0,0 +1,236 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+// +build aix
+/*
+Input to cgo -godefs.  See also mkerrors.sh and mkall.sh
+*/
+// +godefs map struct_in_addr [4]byte /* in_addr */
+// +godefs map struct_in6_addr [16]byte /* in6_addr */
+package unix
+/*
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/limits.h>
+#include <sys/un.h>
+#include <utime.h>
+#include <sys/utsname.h>
+#include <sys/poll.h>
+#include <sys/resource.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
+#include <sys/termio.h>
+#include <sys/ioctl.h>
+#include <termios.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <netinet/in.h>
+#include <netinet/icmp6.h>
+#include <dirent.h>
+#include <fcntl.h>
+enum {
+        sizeofPtr = sizeof(void*),
+};
+union sockaddr_all {
+        struct sockaddr s1;     // this one gets used for fields
+        struct sockaddr_in s2;  // these pad it out
+        struct sockaddr_in6 s3;
+        struct sockaddr_un s4;
+        struct sockaddr_dl s5;
+};
+struct sockaddr_any {
+        struct sockaddr addr;
+        char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
+};
+*/
+import "C"
+// Machine characteristics
+const (
+        SizeofPtr      = C.sizeofPtr
+        SizeofShort    = C.sizeof_short
+        SizeofInt      = C.sizeof_int
+        SizeofLong     = C.sizeof_long
+        SizeofLongLong = C.sizeof_longlong
+        PathMax        = C.PATH_MAX
+)
+// Basic types
+type (
+        _C_short     C.short
+        _C_int       C.int
+        _C_long      C.long
+        _C_long_long C.longlong
+)
+type off64 C.off64_t
+type off C.off_t
+type Mode_t C.mode_t
+// Time
+type Timespec C.struct_timespec
+type StTimespec C.struct_st_timespec
+type Timeval C.struct_timeval
+type Timeval32 C.struct_timeval32
+type Timex C.struct_timex
+type Time_t C.time_t
+type Tms C.struct_tms
+type Utimbuf C.struct_utimbuf
+type Timezone C.struct_timezone
+// Processes
+type Rusage C.struct_rusage
+type Rlimit C.struct_rlimit64
+type Pid_t C.pid_t
+type _Gid_t C.gid_t
+type dev_t C.dev_t
+// Files
+type Stat_t C.struct_stat
+type StatxTimestamp C.struct_statx_timestamp
+type Statx_t C.struct_statx
+type Dirent C.struct_dirent
+// Sockets
+type RawSockaddrInet4 C.struct_sockaddr_in
+type RawSockaddrInet6 C.struct_sockaddr_in6
+type RawSockaddrUnix C.struct_sockaddr_un
+type RawSockaddr C.struct_sockaddr
+type RawSockaddrAny C.struct_sockaddr_any
+type _Socklen C.socklen_t
+type Cmsghdr C.struct_cmsghdr
+type ICMPv6Filter C.struct_icmp6_filter
+type Iovec C.struct_iovec
+type IPMreq C.struct_ip_mreq
+type IPv6Mreq C.struct_ipv6_mreq
+type IPv6MTUInfo C.struct_ip6_mtuinfo
+type Linger C.struct_linger
+type Msghdr C.struct_msghdr
+const (
+        SizeofSockaddrInet4 = C.sizeof_struct_sockaddr_in
+        SizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
+        SizeofSockaddrAny   = C.sizeof_struct_sockaddr_any
+        SizeofSockaddrUnix  = C.sizeof_struct_sockaddr_un
+        SizeofLinger        = C.sizeof_struct_linger
+        SizeofIPMreq        = C.sizeof_struct_ip_mreq
+        SizeofIPv6Mreq      = C.sizeof_struct_ipv6_mreq
+        SizeofIPv6MTUInfo   = C.sizeof_struct_ip6_mtuinfo
+        SizeofMsghdr        = C.sizeof_struct_msghdr
+        SizeofCmsghdr       = C.sizeof_struct_cmsghdr
+        SizeofICMPv6Filter  = C.sizeof_struct_icmp6_filter
+)
+// Routing and interface messages
+const (
+        SizeofIfMsghdr = C.sizeof_struct_if_msghdr
+)
+type IfMsgHdr C.struct_if_msghdr
+// Misc
+type FdSet C.fd_set
+type Utsname C.struct_utsname
+type Ustat_t C.struct_ustat
+type Sigset_t C.sigset_t
+const (
+        AT_FDCWD            = C.AT_FDCWD
+        AT_REMOVEDIR        = C.AT_REMOVEDIR
+        AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
+)
+// Terminal handling
+type Termios C.struct_termios
+type Termio C.struct_termio
+type Winsize C.struct_winsize
+//poll
+type PollFd struct {
+        Fd      int32
+        Events  uint16
+        Revents uint16
+}
+const (
+        POLLERR    = C.POLLERR
+        POLLHUP    = C.POLLHUP
+        POLLIN     = C.POLLIN
+        POLLNVAL   = C.POLLNVAL
+        POLLOUT    = C.POLLOUT
+        POLLPRI    = C.POLLPRI
+        POLLRDBAND = C.POLLRDBAND
+        POLLRDNORM = C.POLLRDNORM
+        POLLWRBAND = C.POLLWRBAND
+        POLLWRNORM = C.POLLWRNORM
+)
+//flock_t
+type Flock_t C.struct_flock64
+// Statfs
+type Fsid_t C.struct_fsid_t
+type Fsid64_t C.struct_fsid64_t
+type Statfs_t C.struct_statfs
+const RNDGETENTCNT = 0x80045200
diff --git a/vendor/golang.org/x/sys/unix/types_darwin.go b/vendor/golang.org/x/sys/unix/types_darwin.go
new file mode 100644
index 0000000..9fd2aaa
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/types_darwin.go
@@ -0,0 +1,277 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+/*
+Input to cgo -godefs.  See README.md
+*/
+// +godefs map struct_in_addr [4]byte /* in_addr */
+// +godefs map struct_in6_addr [16]byte /* in6_addr */
+package unix
+/*
+#define __DARWIN_UNIX03 0
+#define KERNEL
+#define _DARWIN_USE_64_BIT_INODE
+#include <dirent.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <signal.h>
+#include <termios.h>
+#include <unistd.h>
+#include <mach/mach.h>
+#include <mach/message.h>
+#include <sys/event.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/param.h>
+#include <sys/ptrace.h>
+#include <sys/resource.h>
+#include <sys/select.h>
+#include <sys/signal.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <sys/un.h>
+#include <sys/utsname.h>
+#include <sys/wait.h>
+#include <net/bpf.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_var.h>
+#include <net/route.h>
+#include <netinet/in.h>
+#include <netinet/icmp6.h>
+#include <netinet/tcp.h>
+enum {
+        sizeofPtr = sizeof(void*),
+};
+union sockaddr_all {
+        struct sockaddr s1;     // this one gets used for fields
+        struct sockaddr_in s2;  // these pad it out
+        struct sockaddr_in6 s3;
+        struct sockaddr_un s4;
+        struct sockaddr_dl s5;
+};
+struct sockaddr_any {
+        struct sockaddr addr;
+        char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
+};
+*/
+import "C"
+// Machine characteristics
+const (
+        SizeofPtr      = C.sizeofPtr
+        SizeofShort    = C.sizeof_short
+        SizeofInt      = C.sizeof_int
+        SizeofLong     = C.sizeof_long
+        SizeofLongLong = C.sizeof_longlong
+)
+// Basic types
+type (
+        _C_short     C.short
+        _C_int       C.int
+        _C_long      C.long
+        _C_long_long C.longlong
+)
+// Time
+type Timespec C.struct_timespec
+type Timeval C.struct_timeval
+type Timeval32 C.struct_timeval32
+// Processes
+type Rusage C.struct_rusage
+type Rlimit C.struct_rlimit
+type _Gid_t C.gid_t
+// Files
+type Stat_t C.struct_stat64
+type Statfs_t C.struct_statfs64
+type Flock_t C.struct_flock
+type Fstore_t C.struct_fstore
+type Radvisory_t C.struct_radvisory
+type Fbootstraptransfer_t C.struct_fbootstraptransfer
+type Log2phys_t C.struct_log2phys
+type Fsid C.struct_fsid
+type Dirent C.struct_dirent
+// Sockets
+type RawSockaddrInet4 C.struct_sockaddr_in
+type RawSockaddrInet6 C.struct_sockaddr_in6
+type RawSockaddrUnix C.struct_sockaddr_un
+type RawSockaddrDatalink C.struct_sockaddr_dl
+type RawSockaddr C.struct_sockaddr
+type RawSockaddrAny C.struct_sockaddr_any
+type _Socklen C.socklen_t
+type Linger C.struct_linger
+type Iovec C.struct_iovec
+type IPMreq C.struct_ip_mreq
+type IPv6Mreq C.struct_ipv6_mreq
+type Msghdr C.struct_msghdr
+type Cmsghdr C.struct_cmsghdr
+type Inet4Pktinfo C.struct_in_pktinfo
+type Inet6Pktinfo C.struct_in6_pktinfo
+type IPv6MTUInfo C.struct_ip6_mtuinfo
+type ICMPv6Filter C.struct_icmp6_filter
+const (
+        SizeofSockaddrInet4    = C.sizeof_struct_sockaddr_in
+        SizeofSockaddrInet6    = C.sizeof_struct_sockaddr_in6
+        SizeofSockaddrAny      = C.sizeof_struct_sockaddr_any
+        SizeofSockaddrUnix     = C.sizeof_struct_sockaddr_un
+        SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl
+        SizeofLinger           = C.sizeof_struct_linger
+        SizeofIPMreq           = C.sizeof_struct_ip_mreq
+        SizeofIPv6Mreq         = C.sizeof_struct_ipv6_mreq
+        SizeofMsghdr           = C.sizeof_struct_msghdr
+        SizeofCmsghdr          = C.sizeof_struct_cmsghdr
+        SizeofInet4Pktinfo     = C.sizeof_struct_in_pktinfo
+        SizeofInet6Pktinfo     = C.sizeof_struct_in6_pktinfo
+        SizeofIPv6MTUInfo      = C.sizeof_struct_ip6_mtuinfo
+        SizeofICMPv6Filter     = C.sizeof_struct_icmp6_filter
+)
+// Ptrace requests
+const (
+        PTRACE_TRACEME = C.PT_TRACE_ME
+        PTRACE_CONT    = C.PT_CONTINUE
+        PTRACE_KILL    = C.PT_KILL
+)
+// Events (kqueue, kevent)
+type Kevent_t C.struct_kevent
+// Select
+type FdSet C.fd_set
+// Routing and interface messages
+const (
+        SizeofIfMsghdr    = C.sizeof_struct_if_msghdr
+        SizeofIfData      = C.sizeof_struct_if_data
+        SizeofIfaMsghdr   = C.sizeof_struct_ifa_msghdr
+        SizeofIfmaMsghdr  = C.sizeof_struct_ifma_msghdr
+        SizeofIfmaMsghdr2 = C.sizeof_struct_ifma_msghdr2
+        SizeofRtMsghdr    = C.sizeof_struct_rt_msghdr
+        SizeofRtMetrics   = C.sizeof_struct_rt_metrics
+)
+type IfMsghdr C.struct_if_msghdr
+type IfData C.struct_if_data
+type IfaMsghdr C.struct_ifa_msghdr
+type IfmaMsghdr C.struct_ifma_msghdr
+type IfmaMsghdr2 C.struct_ifma_msghdr2
+type RtMsghdr C.struct_rt_msghdr
+type RtMetrics C.struct_rt_metrics
+// Berkeley packet filter
+const (
+        SizeofBpfVersion = C.sizeof_struct_bpf_version
+        SizeofBpfStat    = C.sizeof_struct_bpf_stat
+        SizeofBpfProgram = C.sizeof_struct_bpf_program
+        SizeofBpfInsn    = C.sizeof_struct_bpf_insn
+        SizeofBpfHdr     = C.sizeof_struct_bpf_hdr
+)
+type BpfVersion C.struct_bpf_version
+type BpfStat C.struct_bpf_stat
+type BpfProgram C.struct_bpf_program
+type BpfInsn C.struct_bpf_insn
+type BpfHdr C.struct_bpf_hdr
+// Terminal handling
+type Termios C.struct_termios
+type Winsize C.struct_winsize
+// fchmodat-like syscalls.
+const (
+        AT_FDCWD            = C.AT_FDCWD
+        AT_REMOVEDIR        = C.AT_REMOVEDIR
+        AT_SYMLINK_FOLLOW   = C.AT_SYMLINK_FOLLOW
+        AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
+)
+// poll
+type PollFd C.struct_pollfd
+const (
+        POLLERR    = C.POLLERR
+        POLLHUP    = C.POLLHUP
+        POLLIN     = C.POLLIN
+        POLLNVAL   = C.POLLNVAL
+        POLLOUT    = C.POLLOUT
+        POLLPRI    = C.POLLPRI
+        POLLRDBAND = C.POLLRDBAND
+        POLLRDNORM = C.POLLRDNORM
+        POLLWRBAND = C.POLLWRBAND
+        POLLWRNORM = C.POLLWRNORM
+)
+// uname
+type Utsname C.struct_utsname
diff --git a/vendor/golang.org/x/sys/unix/types_dragonfly.go b/vendor/golang.org/x/sys/unix/types_dragonfly.go
new file mode 100644
index 0000000..3365dd7
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/types_dragonfly.go
@@ -0,0 +1,263 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+/*
+Input to cgo -godefs.  See README.md
+*/
+// +godefs map struct_in_addr [4]byte /* in_addr */
+// +godefs map struct_in6_addr [16]byte /* in6_addr */
+package unix
+/*
+#define KERNEL
+#include <dirent.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <signal.h>
+#include <termios.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/event.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/param.h>
+#include <sys/ptrace.h>
+#include <sys/resource.h>
+#include <sys/select.h>
+#include <sys/signal.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/un.h>
+#include <sys/utsname.h>
+#include <sys/wait.h>
+#include <net/bpf.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/route.h>
+#include <netinet/in.h>
+#include <netinet/icmp6.h>
+#include <netinet/tcp.h>
+enum {
+        sizeofPtr = sizeof(void*),
+};
+union sockaddr_all {
+        struct sockaddr s1;     // this one gets used for fields
+        struct sockaddr_in s2;  // these pad it out
+        struct sockaddr_in6 s3;
+        struct sockaddr_un s4;
+        struct sockaddr_dl s5;
+};
+struct sockaddr_any {
+        struct sockaddr addr;
+        char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
+};
+*/
+import "C"
+// Machine characteristics
+const (
+        SizeofPtr      = C.sizeofPtr
+        SizeofShort    = C.sizeof_short
+        SizeofInt      = C.sizeof_int
+        SizeofLong     = C.sizeof_long
+        SizeofLongLong = C.sizeof_longlong
+)
+// Basic types
+type (
+        _C_short     C.short
+        _C_int       C.int
+        _C_long      C.long
+        _C_long_long C.longlong
+)
+// Time
+type Timespec C.struct_timespec
+type Timeval C.struct_timeval
+// Processes
+type Rusage C.struct_rusage
+type Rlimit C.struct_rlimit
+type _Gid_t C.gid_t
+// Files
+type Stat_t C.struct_stat
+type Statfs_t C.struct_statfs
+type Flock_t C.struct_flock
+type Dirent C.struct_dirent
+type Fsid C.struct_fsid
+// File system limits
+const (
+        PathMax = C.PATH_MAX
+)
+// Sockets
+type RawSockaddrInet4 C.struct_sockaddr_in
+type RawSockaddrInet6 C.struct_sockaddr_in6
+type RawSockaddrUnix C.struct_sockaddr_un
+type RawSockaddrDatalink C.struct_sockaddr_dl
+type RawSockaddr C.struct_sockaddr
+type RawSockaddrAny C.struct_sockaddr_any
+type _Socklen C.socklen_t
+type Linger C.struct_linger
+type Iovec C.struct_iovec
+type IPMreq C.struct_ip_mreq
+type IPv6Mreq C.struct_ipv6_mreq
+type Msghdr C.struct_msghdr
+type Cmsghdr C.struct_cmsghdr
+type Inet6Pktinfo C.struct_in6_pktinfo
+type IPv6MTUInfo C.struct_ip6_mtuinfo
+type ICMPv6Filter C.struct_icmp6_filter
+const (
+        SizeofSockaddrInet4    = C.sizeof_struct_sockaddr_in
+        SizeofSockaddrInet6    = C.sizeof_struct_sockaddr_in6
+        SizeofSockaddrAny      = C.sizeof_struct_sockaddr_any
+        SizeofSockaddrUnix     = C.sizeof_struct_sockaddr_un
+        SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl
+        SizeofLinger           = C.sizeof_struct_linger
+        SizeofIPMreq           = C.sizeof_struct_ip_mreq
+        SizeofIPv6Mreq         = C.sizeof_struct_ipv6_mreq
+        SizeofMsghdr           = C.sizeof_struct_msghdr
+        SizeofCmsghdr          = C.sizeof_struct_cmsghdr
+        SizeofInet6Pktinfo     = C.sizeof_struct_in6_pktinfo
+        SizeofIPv6MTUInfo      = C.sizeof_struct_ip6_mtuinfo
+        SizeofICMPv6Filter     = C.sizeof_struct_icmp6_filter
+)
+// Ptrace requests
+const (
+        PTRACE_TRACEME = C.PT_TRACE_ME
+        PTRACE_CONT    = C.PT_CONTINUE
+        PTRACE_KILL    = C.PT_KILL
+)
+// Events (kqueue, kevent)
+type Kevent_t C.struct_kevent
+// Select
+type FdSet C.fd_set
+// Routing and interface messages
+const (
+        SizeofIfMsghdr         = C.sizeof_struct_if_msghdr
+        SizeofIfData           = C.sizeof_struct_if_data
+        SizeofIfaMsghdr        = C.sizeof_struct_ifa_msghdr
+        SizeofIfmaMsghdr       = C.sizeof_struct_ifma_msghdr
+        SizeofIfAnnounceMsghdr = C.sizeof_struct_if_announcemsghdr
+        SizeofRtMsghdr         = C.sizeof_struct_rt_msghdr
+        SizeofRtMetrics        = C.sizeof_struct_rt_metrics
+)
+type IfMsghdr C.struct_if_msghdr
+type IfData C.struct_if_data
+type IfaMsghdr C.struct_ifa_msghdr
+type IfmaMsghdr C.struct_ifma_msghdr
+type IfAnnounceMsghdr C.struct_if_announcemsghdr
+type RtMsghdr C.struct_rt_msghdr
+type RtMetrics C.struct_rt_metrics
+// Berkeley packet filter
+const (
+        SizeofBpfVersion = C.sizeof_struct_bpf_version
+        SizeofBpfStat    = C.sizeof_struct_bpf_stat
+        SizeofBpfProgram = C.sizeof_struct_bpf_program
+        SizeofBpfInsn    = C.sizeof_struct_bpf_insn
+        SizeofBpfHdr     = C.sizeof_struct_bpf_hdr
+)
+type BpfVersion C.struct_bpf_version
+type BpfStat C.struct_bpf_stat
+type BpfProgram C.struct_bpf_program
+type BpfInsn C.struct_bpf_insn
+type BpfHdr C.struct_bpf_hdr
+// Terminal handling
+type Termios C.struct_termios
+type Winsize C.struct_winsize
+// fchmodat-like syscalls.
+const (
+        AT_FDCWD            = C.AT_FDCWD
+        AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
+)
+// poll
+type PollFd C.struct_pollfd
+const (
+        POLLERR    = C.POLLERR
+        POLLHUP    = C.POLLHUP
+        POLLIN     = C.POLLIN
+        POLLNVAL   = C.POLLNVAL
+        POLLOUT    = C.POLLOUT
+        POLLPRI    = C.POLLPRI
+        POLLRDBAND = C.POLLRDBAND
+        POLLRDNORM = C.POLLRDNORM
+        POLLWRBAND = C.POLLWRBAND
+        POLLWRNORM = C.POLLWRNORM
+)
+// Uname
+type Utsname C.struct_utsname
diff --git a/vendor/golang.org/x/sys/unix/types_freebsd.go b/vendor/golang.org/x/sys/unix/types_freebsd.go
new file mode 100644
index 0000000..a0a5843
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/types_freebsd.go
@@ -0,0 +1,385 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+/*
+Input to cgo -godefs.  See README.md
+*/
+// +godefs map struct_in_addr [4]byte /* in_addr */
+// +godefs map struct_in6_addr [16]byte /* in6_addr */
+package unix
+/*
+#define KERNEL
+#include <dirent.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <signal.h>
+#include <termios.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/capability.h>
+#include <sys/event.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/param.h>
+#include <sys/ptrace.h>
+#include <sys/resource.h>
+#include <sys/select.h>
+#include <sys/signal.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/un.h>
+#include <sys/utsname.h>
+#include <sys/wait.h>
+#include <net/bpf.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/route.h>
+#include <netinet/in.h>
+#include <netinet/icmp6.h>
+#include <netinet/tcp.h>
+enum {
+        sizeofPtr = sizeof(void*),
+};
+union sockaddr_all {
+        struct sockaddr s1;     // this one gets used for fields
+        struct sockaddr_in s2;  // these pad it out
+        struct sockaddr_in6 s3;
+        struct sockaddr_un s4;
+        struct sockaddr_dl s5;
+};
+struct sockaddr_any {
+        struct sockaddr addr;
+        char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
+};
+// This structure is a duplicate of stat on FreeBSD 8-STABLE.
+// See /usr/include/sys/stat.h.
+struct stat8 {
+#undef st_atimespec     st_atim
+#undef st_mtimespec     st_mtim
+#undef st_ctimespec     st_ctim
+#undef st_birthtimespec st_birthtim
+        __dev_t   st_dev;
+        ino_t     st_ino;
+        mode_t    st_mode;
+        nlink_t   st_nlink;
+        uid_t     st_uid;
+        gid_t     st_gid;
+        __dev_t   st_rdev;
+#if __BSD_VISIBLE
+        struct  timespec st_atimespec;
+        struct  timespec st_mtimespec;
+        struct  timespec st_ctimespec;
+#else
+        time_t    st_atime;
+        long      __st_atimensec;
+        time_t    st_mtime;
+        long      __st_mtimensec;
+        time_t    st_ctime;
+        long      __st_ctimensec;
+#endif
+        off_t     st_size;
+        blkcnt_t st_blocks;
+        blksize_t st_blksize;
+        fflags_t  st_flags;
+        __uint32_t st_gen;
+        __int32_t st_lspare;
+#if __BSD_VISIBLE
+        struct timespec st_birthtimespec;
+        unsigned int :(8 / 2) * (16 - (int)sizeof(struct timespec));
+        unsigned int :(8 / 2) * (16 - (int)sizeof(struct timespec));
+#else
+        time_t    st_birthtime;
+        long      st_birthtimensec;
+        unsigned int :(8 / 2) * (16 - (int)sizeof(struct __timespec));
+        unsigned int :(8 / 2) * (16 - (int)sizeof(struct __timespec));
+#endif
+};
+// This structure is a duplicate of if_data on FreeBSD 8-STABLE.
+// See /usr/include/net/if.h.
+struct if_data8 {
+        u_char  ifi_type;
+        u_char  ifi_physical;
+        u_char  ifi_addrlen;
+        u_char  ifi_hdrlen;
+        u_char  ifi_link_state;
+        u_char  ifi_spare_char1;
+        u_char  ifi_spare_char2;
+        u_char  ifi_datalen;
+        u_long  ifi_mtu;
+        u_long  ifi_metric;
+        u_long  ifi_baudrate;
+        u_long  ifi_ipackets;
+        u_long  ifi_ierrors;
+        u_long  ifi_opackets;
+        u_long  ifi_oerrors;
+        u_long  ifi_collisions;
+        u_long  ifi_ibytes;
+        u_long  ifi_obytes;
+        u_long  ifi_imcasts;
+        u_long  ifi_omcasts;
+        u_long  ifi_iqdrops;
+        u_long  ifi_noproto;
+        u_long  ifi_hwassist;
+// FIXME: these are now unions, so maybe need to change definitions?
+#undef ifi_epoch
+        time_t  ifi_epoch;
+#undef ifi_lastchange
+        struct  timeval ifi_lastchange;
+};
+// This structure is a duplicate of if_msghdr on FreeBSD 8-STABLE.
+// See /usr/include/net/if.h.
+struct if_msghdr8 {
+        u_short ifm_msglen;
+        u_char  ifm_version;
+        u_char  ifm_type;
+        int     ifm_addrs;
+        int     ifm_flags;
+        u_short ifm_index;
+        struct  if_data8 ifm_data;
+};
+*/
+import "C"
+// Machine characteristics
+const (
+        SizeofPtr      = C.sizeofPtr
+        SizeofShort    = C.sizeof_short
+        SizeofInt      = C.sizeof_int
+        SizeofLong     = C.sizeof_long
+        SizeofLongLong = C.sizeof_longlong
+)
+// Basic types
+type (
+        _C_short     C.short
+        _C_int       C.int
+        _C_long      C.long
+        _C_long_long C.longlong
+)
+// Time
+type Timespec C.struct_timespec
+type Timeval C.struct_timeval
+// Processes
+type Rusage C.struct_rusage
+type Rlimit C.struct_rlimit
+type _Gid_t C.gid_t
+// Files
+type Stat_t C.struct_stat8
+type Statfs_t C.struct_statfs
+type Flock_t C.struct_flock
+type Dirent C.struct_dirent
+type Fsid C.struct_fsid
+// File system limits
+const (
+        PathMax = C.PATH_MAX
+)
+// Advice to Fadvise
+const (
+        FADV_NORMAL     = C.POSIX_FADV_NORMAL
+        FADV_RANDOM     = C.POSIX_FADV_RANDOM
+        FADV_SEQUENTIAL = C.POSIX_FADV_SEQUENTIAL
+        FADV_WILLNEED   = C.POSIX_FADV_WILLNEED
+        FADV_DONTNEED   = C.POSIX_FADV_DONTNEED
+        FADV_NOREUSE    = C.POSIX_FADV_NOREUSE
+)
+// Sockets
+type RawSockaddrInet4 C.struct_sockaddr_in
+type RawSockaddrInet6 C.struct_sockaddr_in6
+type RawSockaddrUnix C.struct_sockaddr_un
+type RawSockaddrDatalink C.struct_sockaddr_dl
+type RawSockaddr C.struct_sockaddr
+type RawSockaddrAny C.struct_sockaddr_any
+type _Socklen C.socklen_t
+type Linger C.struct_linger
+type Iovec C.struct_iovec
+type IPMreq C.struct_ip_mreq
+type IPMreqn C.struct_ip_mreqn
+type IPv6Mreq C.struct_ipv6_mreq
+type Msghdr C.struct_msghdr
+type Cmsghdr C.struct_cmsghdr
+type Inet6Pktinfo C.struct_in6_pktinfo
+type IPv6MTUInfo C.struct_ip6_mtuinfo
+type ICMPv6Filter C.struct_icmp6_filter
+const (
+        SizeofSockaddrInet4    = C.sizeof_struct_sockaddr_in
+        SizeofSockaddrInet6    = C.sizeof_struct_sockaddr_in6
+        SizeofSockaddrAny      = C.sizeof_struct_sockaddr_any
+        SizeofSockaddrUnix     = C.sizeof_struct_sockaddr_un
+        SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl
+        SizeofLinger           = C.sizeof_struct_linger
+        SizeofIPMreq           = C.sizeof_struct_ip_mreq
+        SizeofIPMreqn          = C.sizeof_struct_ip_mreqn
+        SizeofIPv6Mreq         = C.sizeof_struct_ipv6_mreq
+        SizeofMsghdr           = C.sizeof_struct_msghdr
+        SizeofCmsghdr          = C.sizeof_struct_cmsghdr
+        SizeofInet6Pktinfo     = C.sizeof_struct_in6_pktinfo
+        SizeofIPv6MTUInfo      = C.sizeof_struct_ip6_mtuinfo
+        SizeofICMPv6Filter     = C.sizeof_struct_icmp6_filter
+)
+// Ptrace requests
+const (
+        PTRACE_TRACEME = C.PT_TRACE_ME
+        PTRACE_CONT    = C.PT_CONTINUE
+        PTRACE_KILL    = C.PT_KILL
+)
+// Events (kqueue, kevent)
+type Kevent_t C.struct_kevent
+// Select
+type FdSet C.fd_set
+// Routing and interface messages
+const (
+        sizeofIfMsghdr         = C.sizeof_struct_if_msghdr
+        SizeofIfMsghdr         = C.sizeof_struct_if_msghdr8
+        sizeofIfData           = C.sizeof_struct_if_data
+        SizeofIfData           = C.sizeof_struct_if_data8
+        SizeofIfaMsghdr        = C.sizeof_struct_ifa_msghdr
+        SizeofIfmaMsghdr       = C.sizeof_struct_ifma_msghdr
+        SizeofIfAnnounceMsghdr = C.sizeof_struct_if_announcemsghdr
+        SizeofRtMsghdr         = C.sizeof_struct_rt_msghdr
+        SizeofRtMetrics        = C.sizeof_struct_rt_metrics
+)
+type ifMsghdr C.struct_if_msghdr
+type IfMsghdr C.struct_if_msghdr8
+type ifData C.struct_if_data
+type IfData C.struct_if_data8
+type IfaMsghdr C.struct_ifa_msghdr
+type IfmaMsghdr C.struct_ifma_msghdr
+type IfAnnounceMsghdr C.struct_if_announcemsghdr
+type RtMsghdr C.struct_rt_msghdr
+type RtMetrics C.struct_rt_metrics
+// Berkeley packet filter
+const (
+        SizeofBpfVersion    = C.sizeof_struct_bpf_version
+        SizeofBpfStat       = C.sizeof_struct_bpf_stat
+        SizeofBpfZbuf       = C.sizeof_struct_bpf_zbuf
+        SizeofBpfProgram    = C.sizeof_struct_bpf_program
+        SizeofBpfInsn       = C.sizeof_struct_bpf_insn
+        SizeofBpfHdr        = C.sizeof_struct_bpf_hdr
+        SizeofBpfZbufHeader = C.sizeof_struct_bpf_zbuf_header
+)
+type BpfVersion C.struct_bpf_version
+type BpfStat C.struct_bpf_stat
+type BpfZbuf C.struct_bpf_zbuf
+type BpfProgram C.struct_bpf_program
+type BpfInsn C.struct_bpf_insn
+type BpfHdr C.struct_bpf_hdr
+type BpfZbufHeader C.struct_bpf_zbuf_header
+// Terminal handling
+type Termios C.struct_termios
+type Winsize C.struct_winsize
+// fchmodat-like syscalls.
+const (
+        AT_FDCWD            = C.AT_FDCWD
+        AT_REMOVEDIR        = C.AT_REMOVEDIR
+        AT_SYMLINK_FOLLOW   = C.AT_SYMLINK_FOLLOW
+        AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
+)
+// poll
+type PollFd C.struct_pollfd
+const (
+        POLLERR      = C.POLLERR
+        POLLHUP      = C.POLLHUP
+        POLLIN       = C.POLLIN
+        POLLINIGNEOF = C.POLLINIGNEOF
+        POLLNVAL     = C.POLLNVAL
+        POLLOUT      = C.POLLOUT
+        POLLPRI      = C.POLLPRI
+        POLLRDBAND   = C.POLLRDBAND
+        POLLRDNORM   = C.POLLRDNORM
+        POLLWRBAND   = C.POLLWRBAND
+        POLLWRNORM   = C.POLLWRNORM
+)
+// Capabilities
+type CapRights C.struct_cap_rights
+// Uname
+type Utsname C.struct_utsname
diff --git a/vendor/golang.org/x/sys/unix/types_netbsd.go b/vendor/golang.org/x/sys/unix/types_netbsd.go
new file mode 100644
index 0000000..1edbf1b
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/types_netbsd.go
@@ -0,0 +1,287 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+/*
+Input to cgo -godefs.  See README.md
+*/
+// +godefs map struct_in_addr [4]byte /* in_addr */
+// +godefs map struct_in6_addr [16]byte /* in6_addr */
+package unix
+/*
+#define KERNEL
+#include <dirent.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <signal.h>
+#include <termios.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/event.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/ptrace.h>
+#include <sys/resource.h>
+#include <sys/select.h>
+#include <sys/signal.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/sysctl.h>
+#include <sys/time.h>
+#include <sys/uio.h>
+#include <sys/un.h>
+#include <sys/utsname.h>
+#include <sys/wait.h>
+#include <net/bpf.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/route.h>
+#include <netinet/in.h>
+#include <netinet/icmp6.h>
+#include <netinet/tcp.h>
+enum {
+        sizeofPtr = sizeof(void*),
+};
+union sockaddr_all {
+        struct sockaddr s1;     // this one gets used for fields
+        struct sockaddr_in s2;  // these pad it out
+        struct sockaddr_in6 s3;
+        struct sockaddr_un s4;
+        struct sockaddr_dl s5;
+};
+struct sockaddr_any {
+        struct sockaddr addr;
+        char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
+};
+*/
+import "C"
+// Machine characteristics
+const (
+        SizeofPtr      = C.sizeofPtr
+        SizeofShort    = C.sizeof_short
+        SizeofInt      = C.sizeof_int
+        SizeofLong     = C.sizeof_long
+        SizeofLongLong = C.sizeof_longlong
+)
+// Basic types
+type (
+        _C_short     C.short
+        _C_int       C.int
+        _C_long      C.long
+        _C_long_long C.longlong
+)
+// Time
+type Timespec C.struct_timespec
+type Timeval C.struct_timeval
+// Processes
+type Rusage C.struct_rusage
+type Rlimit C.struct_rlimit
+type _Gid_t C.gid_t
+// Files
+type Stat_t C.struct_stat
+type Statfs_t C.struct_statfs
+type Flock_t C.struct_flock
+type Dirent C.struct_dirent
+type Fsid C.fsid_t
+// File system limits
+const (
+        PathMax = C.PATH_MAX
+)
+// Advice to Fadvise
+const (
+        FADV_NORMAL     = C.POSIX_FADV_NORMAL
+        FADV_RANDOM     = C.POSIX_FADV_RANDOM
+        FADV_SEQUENTIAL = C.POSIX_FADV_SEQUENTIAL
+        FADV_WILLNEED   = C.POSIX_FADV_WILLNEED
+        FADV_DONTNEED   = C.POSIX_FADV_DONTNEED
+        FADV_NOREUSE    = C.POSIX_FADV_NOREUSE
+)
+// Sockets
+type RawSockaddrInet4 C.struct_sockaddr_in
+type RawSockaddrInet6 C.struct_sockaddr_in6
+type RawSockaddrUnix C.struct_sockaddr_un
+type RawSockaddrDatalink C.struct_sockaddr_dl
+type RawSockaddr C.struct_sockaddr
+type RawSockaddrAny C.struct_sockaddr_any
+type _Socklen C.socklen_t
+type Linger C.struct_linger
+type Iovec C.struct_iovec
+type IPMreq C.struct_ip_mreq
+type IPv6Mreq C.struct_ipv6_mreq
+type Msghdr C.struct_msghdr
+type Cmsghdr C.struct_cmsghdr
+type Inet6Pktinfo C.struct_in6_pktinfo
+type IPv6MTUInfo C.struct_ip6_mtuinfo
+type ICMPv6Filter C.struct_icmp6_filter
+const (
+        SizeofSockaddrInet4    = C.sizeof_struct_sockaddr_in
+        SizeofSockaddrInet6    = C.sizeof_struct_sockaddr_in6
+        SizeofSockaddrAny      = C.sizeof_struct_sockaddr_any
+        SizeofSockaddrUnix     = C.sizeof_struct_sockaddr_un
+        SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl
+        SizeofLinger           = C.sizeof_struct_linger
+        SizeofIPMreq           = C.sizeof_struct_ip_mreq
+        SizeofIPv6Mreq         = C.sizeof_struct_ipv6_mreq
+        SizeofMsghdr           = C.sizeof_struct_msghdr
+        SizeofCmsghdr          = C.sizeof_struct_cmsghdr
+        SizeofInet6Pktinfo     = C.sizeof_struct_in6_pktinfo
+        SizeofIPv6MTUInfo      = C.sizeof_struct_ip6_mtuinfo
+        SizeofICMPv6Filter     = C.sizeof_struct_icmp6_filter
+)
+// Ptrace requests
+const (
+        PTRACE_TRACEME = C.PT_TRACE_ME
+        PTRACE_CONT    = C.PT_CONTINUE
+        PTRACE_KILL    = C.PT_KILL
+)
+// Events (kqueue, kevent)
+type Kevent_t C.struct_kevent
+// Select
+type FdSet C.fd_set
+// Routing and interface messages
+const (
+        SizeofIfMsghdr         = C.sizeof_struct_if_msghdr
+        SizeofIfData           = C.sizeof_struct_if_data
+        SizeofIfaMsghdr        = C.sizeof_struct_ifa_msghdr
+        SizeofIfAnnounceMsghdr = C.sizeof_struct_if_announcemsghdr
+        SizeofRtMsghdr         = C.sizeof_struct_rt_msghdr
+        SizeofRtMetrics        = C.sizeof_struct_rt_metrics
+)
+type IfMsghdr C.struct_if_msghdr
+type IfData C.struct_if_data
+type IfaMsghdr C.struct_ifa_msghdr
+type IfAnnounceMsghdr C.struct_if_announcemsghdr
+type RtMsghdr C.struct_rt_msghdr
+type RtMetrics C.struct_rt_metrics
+type Mclpool C.struct_mclpool
+// Berkeley packet filter
+const (
+        SizeofBpfVersion = C.sizeof_struct_bpf_version
+        SizeofBpfStat    = C.sizeof_struct_bpf_stat
+        SizeofBpfProgram = C.sizeof_struct_bpf_program
+        SizeofBpfInsn    = C.sizeof_struct_bpf_insn
+        SizeofBpfHdr     = C.sizeof_struct_bpf_hdr
+)
+type BpfVersion C.struct_bpf_version
+type BpfStat C.struct_bpf_stat
+type BpfProgram C.struct_bpf_program
+type BpfInsn C.struct_bpf_insn
+type BpfHdr C.struct_bpf_hdr
+type BpfTimeval C.struct_bpf_timeval
+// Terminal handling
+type Termios C.struct_termios
+type Winsize C.struct_winsize
+// fchmodat-like syscalls.
+const (
+        AT_FDCWD            = C.AT_FDCWD
+        AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
+)
+// poll
+type PollFd C.struct_pollfd
+const (
+        POLLERR    = C.POLLERR
+        POLLHUP    = C.POLLHUP
+        POLLIN     = C.POLLIN
+        POLLNVAL   = C.POLLNVAL
+        POLLOUT    = C.POLLOUT
+        POLLPRI    = C.POLLPRI
+        POLLRDBAND = C.POLLRDBAND
+        POLLRDNORM = C.POLLRDNORM
+        POLLWRBAND = C.POLLWRBAND
+        POLLWRNORM = C.POLLWRNORM
+)
+// Sysctl
+type Sysctlnode C.struct_sysctlnode
+// Uname
+type Utsname C.struct_utsname
+// Clockinfo
+const SizeofClockinfo = C.sizeof_struct_clockinfo
+type Clockinfo C.struct_clockinfo
diff --git a/vendor/golang.org/x/sys/unix/types_openbsd.go b/vendor/golang.org/x/sys/unix/types_openbsd.go
new file mode 100644
index 0000000..297e40d
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/types_openbsd.go
@@ -0,0 +1,272 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+/*
+Input to cgo -godefs.  See README.md
+*/
+// +godefs map struct_in_addr [4]byte /* in_addr */
+// +godefs map struct_in6_addr [16]byte /* in6_addr */
+package unix
+/*
+#define KERNEL
+#include <dirent.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <signal.h>
+#include <termios.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/event.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/ptrace.h>
+#include <sys/resource.h>
+#include <sys/select.h>
+#include <sys/signal.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/uio.h>
+#include <sys/un.h>
+#include <sys/utsname.h>
+#include <sys/wait.h>
+#include <uvm/uvmexp.h>
+#include <net/bpf.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/route.h>
+#include <netinet/in.h>
+#include <netinet/icmp6.h>
+#include <netinet/tcp.h>
+enum {
+        sizeofPtr = sizeof(void*),
+};
+union sockaddr_all {
+        struct sockaddr s1;     // this one gets used for fields
+        struct sockaddr_in s2;  // these pad it out
+        struct sockaddr_in6 s3;
+        struct sockaddr_un s4;
+        struct sockaddr_dl s5;
+};
+struct sockaddr_any {
+        struct sockaddr addr;
+        char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
+};
+*/
+import "C"
+// Machine characteristics
+const (
+        SizeofPtr      = C.sizeofPtr
+        SizeofShort    = C.sizeof_short
+        SizeofInt      = C.sizeof_int
+        SizeofLong     = C.sizeof_long
+        SizeofLongLong = C.sizeof_longlong
+)
+// Basic types
+type (
+        _C_short     C.short
+        _C_int       C.int
+        _C_long      C.long
+        _C_long_long C.longlong
+)
+// Time
+type Timespec C.struct_timespec
+type Timeval C.struct_timeval
+// Processes
+type Rusage C.struct_rusage
+type Rlimit C.struct_rlimit
+type _Gid_t C.gid_t
+// Files
+type Stat_t C.struct_stat
+type Statfs_t C.struct_statfs
+type Flock_t C.struct_flock
+type Dirent C.struct_dirent
+type Fsid C.fsid_t
+// File system limits
+const (
+        PathMax = C.PATH_MAX
+)
+// Sockets
+type RawSockaddrInet4 C.struct_sockaddr_in
+type RawSockaddrInet6 C.struct_sockaddr_in6
+type RawSockaddrUnix C.struct_sockaddr_un
+type RawSockaddrDatalink C.struct_sockaddr_dl
+type RawSockaddr C.struct_sockaddr
+type RawSockaddrAny C.struct_sockaddr_any
+type _Socklen C.socklen_t
+type Linger C.struct_linger
+type Iovec C.struct_iovec
+type IPMreq C.struct_ip_mreq
+type IPv6Mreq C.struct_ipv6_mreq
+type Msghdr C.struct_msghdr
+type Cmsghdr C.struct_cmsghdr
+type Inet6Pktinfo C.struct_in6_pktinfo
+type IPv6MTUInfo C.struct_ip6_mtuinfo
+type ICMPv6Filter C.struct_icmp6_filter
+const (
+        SizeofSockaddrInet4    = C.sizeof_struct_sockaddr_in
+        SizeofSockaddrInet6    = C.sizeof_struct_sockaddr_in6
+        SizeofSockaddrAny      = C.sizeof_struct_sockaddr_any
+        SizeofSockaddrUnix     = C.sizeof_struct_sockaddr_un
+        SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl
+        SizeofLinger           = C.sizeof_struct_linger
+        SizeofIPMreq           = C.sizeof_struct_ip_mreq
+        SizeofIPv6Mreq         = C.sizeof_struct_ipv6_mreq
+        SizeofMsghdr           = C.sizeof_struct_msghdr
+        SizeofCmsghdr          = C.sizeof_struct_cmsghdr
+        SizeofInet6Pktinfo     = C.sizeof_struct_in6_pktinfo
+        SizeofIPv6MTUInfo      = C.sizeof_struct_ip6_mtuinfo
+        SizeofICMPv6Filter     = C.sizeof_struct_icmp6_filter
+)
+// Ptrace requests
+const (
+        PTRACE_TRACEME = C.PT_TRACE_ME
+        PTRACE_CONT    = C.PT_CONTINUE
+        PTRACE_KILL    = C.PT_KILL
+)
+// Events (kqueue, kevent)
+type Kevent_t C.struct_kevent
+// Select
+type FdSet C.fd_set
+// Routing and interface messages
+const (
+        SizeofIfMsghdr         = C.sizeof_struct_if_msghdr
+        SizeofIfData           = C.sizeof_struct_if_data
+        SizeofIfaMsghdr        = C.sizeof_struct_ifa_msghdr
+        SizeofIfAnnounceMsghdr = C.sizeof_struct_if_announcemsghdr
+        SizeofRtMsghdr         = C.sizeof_struct_rt_msghdr
+        SizeofRtMetrics        = C.sizeof_struct_rt_metrics
+)
+type IfMsghdr C.struct_if_msghdr
+type IfData C.struct_if_data
+type IfaMsghdr C.struct_ifa_msghdr
+type IfAnnounceMsghdr C.struct_if_announcemsghdr
+type RtMsghdr C.struct_rt_msghdr
+type RtMetrics C.struct_rt_metrics
+type Mclpool C.struct_mclpool
+// Berkeley packet filter
+const (
+        SizeofBpfVersion = C.sizeof_struct_bpf_version
+        SizeofBpfStat    = C.sizeof_struct_bpf_stat
+        SizeofBpfProgram = C.sizeof_struct_bpf_program
+        SizeofBpfInsn    = C.sizeof_struct_bpf_insn
+        SizeofBpfHdr     = C.sizeof_struct_bpf_hdr
+)
+type BpfVersion C.struct_bpf_version
+type BpfStat C.struct_bpf_stat
+type BpfProgram C.struct_bpf_program
+type BpfInsn C.struct_bpf_insn
+type BpfHdr C.struct_bpf_hdr
+type BpfTimeval C.struct_bpf_timeval
+// Terminal handling
+type Termios C.struct_termios
+type Winsize C.struct_winsize
+// fchmodat-like syscalls.
+const (
+        AT_FDCWD            = C.AT_FDCWD
+        AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
+)
+// poll
+type PollFd C.struct_pollfd
+const (
+        POLLERR    = C.POLLERR
+        POLLHUP    = C.POLLHUP
+        POLLIN     = C.POLLIN
+        POLLNVAL   = C.POLLNVAL
+        POLLOUT    = C.POLLOUT
+        POLLPRI    = C.POLLPRI
+        POLLRDBAND = C.POLLRDBAND
+        POLLRDNORM = C.POLLRDNORM
+        POLLWRBAND = C.POLLWRBAND
+        POLLWRNORM = C.POLLWRNORM
+)
+// Uname
+type Utsname C.struct_utsname
+// Uvmexp
+const SizeofUvmexp = C.sizeof_struct_uvmexp
+type Uvmexp C.struct_uvmexp
diff --git a/vendor/golang.org/x/sys/unix/types_solaris.go b/vendor/golang.org/x/sys/unix/types_solaris.go
new file mode 100644
index 0000000..2b716f9
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/types_solaris.go
@@ -0,0 +1,266 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+// +build ignore
+/*
+Input to cgo -godefs.  See README.md
+*/
+// +godefs map struct_in_addr [4]byte /* in_addr */
+// +godefs map struct_in6_addr [16]byte /* in6_addr */
+package unix
+/*
+#define KERNEL
+// These defines ensure that builds done on newer versions of Solaris are
+// backwards-compatible with older versions of Solaris and
+// OpenSolaris-based derivatives.
+#define __USE_SUNOS_SOCKETS__          // msghdr
+#define __USE_LEGACY_PROTOTYPES__      // iovec
+#include <dirent.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <limits.h>
+#include <poll.h>
+#include <signal.h>
+#include <termios.h>
+#include <termio.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/mount.h>
+#include <sys/param.h>
+#include <sys/resource.h>
+#include <sys/select.h>
+#include <sys/signal.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/statvfs.h>
+#include <sys/time.h>
+#include <sys/times.h>
+#include <sys/types.h>
+#include <sys/utsname.h>
+#include <sys/un.h>
+#include <sys/wait.h>
+#include <net/bpf.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/route.h>
+#include <netinet/in.h>
+#include <netinet/icmp6.h>
+#include <netinet/tcp.h>
+#include <ustat.h>
+#include <utime.h>
+enum {
+        sizeofPtr = sizeof(void*),
+};
+union sockaddr_all {
+        struct sockaddr s1;     // this one gets used for fields
+        struct sockaddr_in s2;  // these pad it out
+        struct sockaddr_in6 s3;
+        struct sockaddr_un s4;
+        struct sockaddr_dl s5;
+};
+struct sockaddr_any {
+        struct sockaddr addr;
+        char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
+};
+*/
+import "C"
+// Machine characteristics
+const (
+        SizeofPtr      = C.sizeofPtr
+        SizeofShort    = C.sizeof_short
+        SizeofInt      = C.sizeof_int
+        SizeofLong     = C.sizeof_long
+        SizeofLongLong = C.sizeof_longlong
+        PathMax        = C.PATH_MAX
+        MaxHostNameLen = C.MAXHOSTNAMELEN
+)
+// Basic types
+type (
+        _C_short     C.short
+        _C_int       C.int
+        _C_long      C.long
+        _C_long_long C.longlong
+)
+// Time
+type Timespec C.struct_timespec
+type Timeval C.struct_timeval
+type Timeval32 C.struct_timeval32
+type Tms C.struct_tms
+type Utimbuf C.struct_utimbuf
+// Processes
+type Rusage C.struct_rusage
+type Rlimit C.struct_rlimit
+type _Gid_t C.gid_t
+// Files
+type Stat_t C.struct_stat
+type Flock_t C.struct_flock
+type Dirent C.struct_dirent
+// Filesystems
+type _Fsblkcnt_t C.fsblkcnt_t
+type Statvfs_t C.struct_statvfs
+// Sockets
+type RawSockaddrInet4 C.struct_sockaddr_in
+type RawSockaddrInet6 C.struct_sockaddr_in6
+type RawSockaddrUnix C.struct_sockaddr_un
+type RawSockaddrDatalink C.struct_sockaddr_dl
+type RawSockaddr C.struct_sockaddr
+type RawSockaddrAny C.struct_sockaddr_any
+type _Socklen C.socklen_t
+type Linger C.struct_linger
+type Iovec C.struct_iovec
+type IPMreq C.struct_ip_mreq
+type IPv6Mreq C.struct_ipv6_mreq
+type Msghdr C.struct_msghdr
+type Cmsghdr C.struct_cmsghdr
+type Inet6Pktinfo C.struct_in6_pktinfo
+type IPv6MTUInfo C.struct_ip6_mtuinfo
+type ICMPv6Filter C.struct_icmp6_filter
+const (
+        SizeofSockaddrInet4    = C.sizeof_struct_sockaddr_in
+        SizeofSockaddrInet6    = C.sizeof_struct_sockaddr_in6
+        SizeofSockaddrAny      = C.sizeof_struct_sockaddr_any
+        SizeofSockaddrUnix     = C.sizeof_struct_sockaddr_un
+        SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl
+        SizeofLinger           = C.sizeof_struct_linger
+        SizeofIPMreq           = C.sizeof_struct_ip_mreq
+        SizeofIPv6Mreq         = C.sizeof_struct_ipv6_mreq
+        SizeofMsghdr           = C.sizeof_struct_msghdr
+        SizeofCmsghdr          = C.sizeof_struct_cmsghdr
+        SizeofInet6Pktinfo     = C.sizeof_struct_in6_pktinfo
+        SizeofIPv6MTUInfo      = C.sizeof_struct_ip6_mtuinfo
+        SizeofICMPv6Filter     = C.sizeof_struct_icmp6_filter
+)
+// Select
+type FdSet C.fd_set
+// Misc
+type Utsname C.struct_utsname
+type Ustat_t C.struct_ustat
+const (
+        AT_FDCWD            = C.AT_FDCWD
+        AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
+        AT_SYMLINK_FOLLOW   = C.AT_SYMLINK_FOLLOW
+        AT_REMOVEDIR        = C.AT_REMOVEDIR
+        AT_EACCESS          = C.AT_EACCESS
+)
+// Routing and interface messages
+const (
+        SizeofIfMsghdr  = C.sizeof_struct_if_msghdr
+        SizeofIfData    = C.sizeof_struct_if_data
+        SizeofIfaMsghdr = C.sizeof_struct_ifa_msghdr
+        SizeofRtMsghdr  = C.sizeof_struct_rt_msghdr
+        SizeofRtMetrics = C.sizeof_struct_rt_metrics
+)
+type IfMsghdr C.struct_if_msghdr
+type IfData C.struct_if_data
+type IfaMsghdr C.struct_ifa_msghdr
+type RtMsghdr C.struct_rt_msghdr
+type RtMetrics C.struct_rt_metrics
+// Berkeley packet filter
+const (
+        SizeofBpfVersion = C.sizeof_struct_bpf_version
+        SizeofBpfStat    = C.sizeof_struct_bpf_stat
+        SizeofBpfProgram = C.sizeof_struct_bpf_program
+        SizeofBpfInsn    = C.sizeof_struct_bpf_insn
+        SizeofBpfHdr     = C.sizeof_struct_bpf_hdr
+)
+type BpfVersion C.struct_bpf_version
+type BpfStat C.struct_bpf_stat
+type BpfProgram C.struct_bpf_program
+type BpfInsn C.struct_bpf_insn
+type BpfTimeval C.struct_bpf_timeval
+type BpfHdr C.struct_bpf_hdr
+// Terminal handling
+type Termios C.struct_termios
+type Termio C.struct_termio
+type Winsize C.struct_winsize
+// poll
+type PollFd C.struct_pollfd
+const (
+        POLLERR    = C.POLLERR
+        POLLHUP    = C.POLLHUP
+        POLLIN     = C.POLLIN
+        POLLNVAL   = C.POLLNVAL
+        POLLOUT    = C.POLLOUT
+        POLLPRI    = C.POLLPRI
+        POLLRDBAND = C.POLLRDBAND
+        POLLRDNORM = C.POLLRDNORM
+        POLLWRBAND = C.POLLWRBAND
+        POLLWRNORM = C.POLLWRNORM
+)
diff --git a/vendor/gopkg.in/alecthomas/kingpin.v2/.travis.yml b/vendor/gopkg.in/alecthomas/kingpin.v2/.travis.yml
new file mode 100644
index 0000000..e564b74
--- /dev/null
+++ b/vendor/gopkg.in/alecthomas/kingpin.v2/.travis.yml
@@ -0,0 +1,4 @@
+sudo: false
+language: go
+install: go get -t -v ./...
+go: 1.2
diff --git a/vendor/modules.txt b/vendor/modules.txt
new file mode 100644
index 0000000..d048101
--- /dev/null
+++ b/vendor/modules.txt
@@ -0,0 +1,70 @@
+# github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc
+github.com/alecthomas/template
+github.com/alecthomas/template/parse
+# github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf
+github.com/alecthomas/units
+# github.com/beevik/ntp v0.2.0
+github.com/beevik/ntp
+# github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973
+github.com/beorn7/perks/quantile
+# github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7
+github.com/coreos/go-systemd/dbus
+# github.com/ema/qdisc v0.0.0-20180104102928-b307c22d3ce7
+github.com/ema/qdisc
+# github.com/godbus/dbus v4.1.0+incompatible
+github.com/godbus/dbus
+# github.com/golang/protobuf v1.2.0
+github.com/golang/protobuf/proto
+# github.com/konsorten/go-windows-terminal-sequences v1.0.1
+github.com/konsorten/go-windows-terminal-sequences
+# github.com/lufia/iostat v0.0.0-20170605150913-9f7362b77ad3
+github.com/lufia/iostat
+# github.com/mattn/go-xmlrpc v0.0.0-20180913190254-6e944673e4c0
+github.com/mattn/go-xmlrpc
+# github.com/matttproud/golang_protobuf_extensions v1.0.1
+github.com/matttproud/golang_protobuf_extensions/pbutil
+# github.com/mdlayher/genetlink v0.0.0-20180917171408-7615bc153978
+github.com/mdlayher/genetlink
+# github.com/mdlayher/netlink v0.0.0-20180920202405-794849f2d5bf
+github.com/mdlayher/netlink
+github.com/mdlayher/netlink/nlenc
+# github.com/mdlayher/wifi v0.0.0-20180727163819-efdf3f4195d9
+github.com/mdlayher/wifi
+github.com/mdlayher/wifi/internal/nl80211
+# github.com/prometheus/client_golang v0.9.1
+github.com/prometheus/client_golang/prometheus
+github.com/prometheus/client_golang/prometheus/promhttp
+github.com/prometheus/client_golang/prometheus/internal
+# github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910
+github.com/prometheus/client_model/go
+# github.com/prometheus/common v0.0.0-20181015124227-bcb74de08d37
+github.com/prometheus/common/log
+github.com/prometheus/common/version
+github.com/prometheus/common/expfmt
+github.com/prometheus/common/model
+github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg
+# github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d
+github.com/prometheus/procfs
+github.com/prometheus/procfs/bcache
+github.com/prometheus/procfs/nfs
+github.com/prometheus/procfs/sysfs
+github.com/prometheus/procfs/xfs
+github.com/prometheus/procfs/internal/util
+# github.com/sirupsen/logrus v1.1.1
+github.com/sirupsen/logrus
+# github.com/soundcloud/go-runit v0.0.0-20150630195641-06ad41a06c4a
+github.com/soundcloud/go-runit/runit
+# golang.org/x/crypto v0.0.0-20181009213950-7c1a557ab941
+golang.org/x/crypto/ssh/terminal
+# golang.org/x/net v0.0.0-20181005035420-146acd28ed58
+golang.org/x/net/ipv4
+golang.org/x/net/bpf
+golang.org/x/net/internal/iana
+golang.org/x/net/internal/socket
+# golang.org/x/sys v0.0.0-20181005133103-4497e2df6f9e
+golang.org/x/sys/unix
+golang.org/x/sys/windows/svc/eventlog
+golang.org/x/sys/windows
+golang.org/x/sys/windows/registry
+# gopkg.in/alecthomas/kingpin.v2 v2.2.6
+gopkg.in/alecthomas/kingpin.v2
diff --git a/vendor/vendor.json b/vendor/vendor.json
deleted file mode 100644
index e5a1488..0000000
--- a/vendor/vendor.json
+++ /dev/null
@@ -1,297 +0,0 @@
-{
-        "comment": "",
-        "ignore": "test",
-        "package": [
-                {
-                        "checksumSHA1": "KmjnydoAbofMieIWm+it5OWERaM=",
-                        "path": "github.com/alecthomas/template",
-                        "revision": "a0175ee3bccc567396460bf5acd36800cb10c49c",
-                        "revisionTime": "2016-04-05T07:15:01Z"
-                },
-                {
-                        "checksumSHA1": "3wt0pTXXeS+S93unwhGoLIyGX/Q=",
-                        "path": "github.com/alecthomas/template/parse",
-                        "revision": "a0175ee3bccc567396460bf5acd36800cb10c49c",
-                        "revisionTime": "2016-04-05T07:15:01Z"
-                },
-                {
-                        "checksumSHA1": "fCc3grA7vIxfBru7R3SqjcW+oLI=",
-                        "path": "github.com/alecthomas/units",
-                        "revision": "2efee857e7cfd4f3d0138cc3cbb1b4966962b93a",
-                        "revisionTime": "2015-10-22T06:55:26Z"
-                },
-                {
-                        "checksumSHA1": "Gofi5dpQ/jevSfySSRDaoNpHMq8=",
-                        "path": "github.com/beevik/ntp",
-                        "revision": "62c80a04de2086884d8296004b6d74ee1846c582",
-                        "revisionTime": "2017-10-20T00:02:52Z",
-                        "version": "v0.2.0",
-                        "versionExact": "v0.2.0"
-                },
-                {
-                        "checksumSHA1": "spyv5/YFBjYyZLZa1U2LBfDR8PM=",
-                        "path": "github.com/beorn7/perks/quantile",
-                        "revision": "4c0e84591b9aa9e6dcfdf3e020114cd81f89d5f9",
-                        "revisionTime": "2016-08-04T10:47:26Z"
-                },
-                {
-                        "checksumSHA1": "1txgvJO9bgE703kK2EQ/NATy1Rg=",
-                        "path": "github.com/coreos/go-systemd/dbus",
-                        "revision": "39ca1b05acc7ad1220e09f133283b8859a8b71ab",
-                        "revisionTime": "2018-05-11T13:34:05Z",
-                        "version": "v17",
-                        "versionExact": "v17"
-                },
-                {
-                        "checksumSHA1": "wPbKObbGzS/43nrskRaJVFVEW/A=",
-                        "path": "github.com/ema/qdisc",
-                        "revision": "b307c22d3ce761d351b6e6270b50195b44ee9248",
-                        "revisionTime": "2018-01-04T10:29:28Z"
-                },
-                {
-                        "checksumSHA1": "Qbh78KcLmLVoURsCp+f5xVeA/fI=",
-                        "path": "github.com/godbus/dbus",
-                        "revision": "a389bdde4dd695d414e47b755e95e72b7826432c",
-                        "revisionTime": "2017-09-18T23:46:06Z",
-                        "version": "v4.1.0",
-                        "versionExact": "v4.1.0"
-                },
-                {
-                        "checksumSHA1": "mE9XW26JSpe4meBObM6J/Oeq0eg=",
-                        "path": "github.com/golang/protobuf/proto",
-                        "revision": "aa810b61a9c79d51363740d207bb46cf8e620ed5",
-                        "revisionTime": "2018-08-14T21:14:27Z",
-                        "version": "v1.2.0",
-                        "versionExact": "v1.2.0"
-                },
-                {
-                        "checksumSHA1": "r6ZMyP/HsdeToXIxvgP3ntL6Bds=",
-                        "path": "github.com/konsorten/go-windows-terminal-sequences",
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