IPv6: Enable dual stack support
Summary: KVM - Fix physical net parsing when traffic label points to tagged dev

Detail: If your traffic label points to a bridge that is on a tagged interface
rather than a real physical interface, cloudstack may not parse the physical
interface correctly, bringing up tagged interfaces on the tagged interface.

Signed-off-by: Marcus Sorensen <marcus@betterservers.com> 1360798665 -0700