Comment 42 for bug 1489198

Reviewed: https://review.fuel-infra.org/33658
Submitter: Pkgs Jenkins <email address hidden>
Branch: mcp/newton

Commit: b77f3d3249968420532b22b855cdbe0eedcfd325
Author: Oleg Bondarev <email address hidden>
Date: Fri May 5 09:41:02 2017

Live migration: wait for vif-plugged event on pre live migration

Just like with spawning new VM, we need to wait for neutron to properly
handle new vif device on pre migration step.

By default nova dispatches event to the instance's host while during
live migration we're waiting on destination host - the solution
is to check if instance is migrating and send event to destination
compute as well.

Upstream review: https://review.openstack.org/246910

Closes-Bug: #1489198

Change-Id: Ib1cb9c2f6eb2f5ce6280c685ae44a691665b4e98