Migrate go modules from glide

vendor/github.com/vishvananda/netns/README.md

@@ -1,51 +0,0 @@
-# netns - network namespaces in go #
-
-The netns package provides an ultra-simple interface for handling
-network namespaces in go. Changing namespaces requires elevated
-privileges, so in most cases this code needs to be run as root.
-
-## Local Build and Test ##
-
-You can use go get command:
-
-    go get github.com/vishvananda/netns
-
-Testing (requires root):
-
-    sudo -E go test github.com/vishvananda/netns
-
-## Example ##
-
-```go
-package main
-
-import (
-    "fmt"
-    "net"
-    "runtime"
-    "github.com/vishvananda/netns"
-)
-
-func main() {
-    // Lock the OS Thread so we don't accidentally switch namespaces
-    runtime.LockOSThread()
-    defer runtime.UnlockOSThread()
-
-    // Save the current network namespace
-    origns, _ := netns.Get()
-    defer origns.Close()
-
-    // Create a new network namespace
-    newns, _ := netns.New()
-    netns.Set(newns)
-    defer newns.Close()
-
-    // Do something with the network namespace
-    ifaces, _ := net.Interfaces()
-    fmt.Printf("Interfaces: %v\n", ifaces)
-
-    // Switch back to the original namespace
-    netns.Set(origns)
-}
-
-```