tree e553f7e79826f36b8cbdffb6d634589eee2c1470
parent d9265a38fde568b8b447eca2107adcb5b5f4ee84
author Charles Chan <rascov@gmail.com> 1498179794 -0700
committer Charles Chan <rascov@gmail.com> 1501879781 -0700

Recover dual-homed host failover using pair link

In addition,
- Block ARP/NDP on pair port from being sent to controller
- Block DAD on pair port from flooded back to the originated host
- Minor refactoring

Change-Id: I3d697a06cb7ed3b56baa5d490197c155fe6969f0