Updated openstack/openstack
Project: openstack/nova  a73af4903c1b471965ec8541fc7b801dcc5b63f2

Log exception if max scheduling attempts exceeded

This logs the last exception seen by the scheduler to help troubleshooting.

When an administrator shows an errored instance, the fault reported is
NoValidHost which is easily misread as insufficient capacity.

This is currently covered by tests.

Change-Id: I636ec9809ded2d4e3404c1f13e0d7635b9826bfe