Add query for nova ec2 bug 1280532

This really started spiking in the last 48 hours. It's not a 100%
failure, but it's close. It's nearly all check queue but showing up in
different changes and different jobs.

Related-Bug: #1280532

Change-Id: I96e1ce4f7e4c7a7edca5c261a5f193d922cd3702