macvlan/ipvlan: use common RenameLink method

diff --git a/ip/link.go b/ip/link.go
index 43b3739..6431bb4 100644 (file)
--- a/ip/link.go
+++ b/ip/link.go
@@ -90,6 +90,14 @@ func RandomVethName() (string, error) {
        return fmt.Sprintf("veth%x", entropy), nil
 }
 
+func RenameLink(curName, newName string) error {
+       link, err := netlink.LinkByName(curName)
+       if err == nil {
+               err = netlink.LinkSetName(link, newName)
+       }
+       return err
+}
+
 // SetupVeth sets up a virtual ethernet link.
 // Should be in container netns, and will switch back to hostNS to set the host
 // veth end up.