Comment 5 for bug 1408814

Actually if you look further up:
http://logs.openstack.org/66/145066/7/gate/gate-tempest-dsvm-full/233cf6d/logs/screen-c-vol.txt.gz#_2015-01-09_22_02_00_432

The root of the problem is that we failed the call out to Glance, looks like we exceeded the pool limit for Request. I believe the Glance failure is due to the Request Pool issue...