Update vishvananda/netlink and add vishvananda/netns

This commit changes vishvananda/netlink binds godep version to:
  49a735373919c4c9a53aff1f9f63da73a243f32d
And adds vishvananda/netns with version:
  8ba1072b58e0c2a240eb5f6120165c7776c3e7b8

Godeps/Godeps.json

@@ -2042,11 +2042,11 @@
 		},
 		{
 			"ImportPath": "github.com/vishvananda/netlink",
-			"Rev": "1e2e08e8a2dcdacaae3f14ac44c5cfa31361f270"
+			"Rev": "49a735373919c4c9a53aff1f9f63da73a243f32d"
 		},
 		{
 			"ImportPath": "github.com/vishvananda/netlink/nl",
-			"Rev": "1e2e08e8a2dcdacaae3f14ac44c5cfa31361f270"
+			"Rev": "49a735373919c4c9a53aff1f9f63da73a243f32d"
 		},
 		{
 			"ImportPath": "github.com/vmware/govmomi",
@@ -2361,6 +2361,10 @@
 			"ImportPath": "k8s.io/heapster/metrics/apis/metrics/v1alpha1",
 			"Comment": "v1.1.0-beta2",
 			"Rev": "9cb18ac0ceb193eb530a1fe339355c94ea454d85"
+		},
+		{
+			"ImportPath": "github.com/vishvananda/netns",
+			"Rev": "8ba1072b58e0c2a240eb5f6120165c7776c3e7b8"
 		}
 	]
 }