Log consumer uuid when retrying claims in the scheduler
Log consumer uuid when retrying claims in the scheduler

When creating multiple instances at once, if any of them
fail to claim in the scheduler due to conflicts when
allocations are posted, we need to know how many retries
we're doing and on which instances.

Change-Id: I49da04a87552a5ff093c48693cf2e433bcc4d319

gooddata/openstack-nova,mahak/nova,mikalstill/nova,mahak/nova,phenoxim/nova,openstack/nova,openstack/nova,mahak/nova,klmitch/nova,rahulunair/nova,openstack/nova,gooddata/openstack-nova,klmitch/nova,klmitch/nova,klmitch/nova,rahulunair/nova,mikalstill/nova,phenoxim/nova,gooddata/openstack-nova,rahulunair/nova,gooddata/openstack-nova,mikalstill/nova