Refactor and improve libcontainer and driver

Remove logging for now because it is complicating things
Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)

libcontainer/network/veth.go

@@ -6,6 +6,9 @@ import (
 	"github.com/dotcloud/docker/pkg/libcontainer/utils"
 )
 
+// Veth is a network strategy that uses a bridge and creates
+// a veth pair, one that stays outside on the host and the other
+// is placed inside the container's namespace
 type Veth struct {
 }