@@ -56,11 +56,12 @@ func execCommand(container *libcontainer.Container, args []string) (int, error)

 		if err != nil {

 			return -1, err

 		}

-		sendVethName(vethPair, w)

+		sendVethName(w, vethPair)

 	}

 	// Sync with child

 	w.Close()

+	r.Close()

 	go io.Copy(os.Stdout, master)

 	go io.Copy(master, os.Stdin)

@@ -82,7 +83,7 @@ func execCommand(container *libcontainer.Container, args []string) (int, error)

 // sendVethName writes the veth pair name to the child's stdin then closes the

 // pipe so that the child stops waiting for more data

-func sendVethName(name string, pipe io.WriteCloser) {

+func sendVethName(pipe io.Writer, name string) {

 	fmt.Fprint(pipe, name)

 }