2016-10-19 18:52:10.810 31027 ERROR nova.scheduler.utils [req-87a2ab69-be85-4418-9489-56183d4f5368 c24ba55c47bb4a039aa8ca5da1bfd8ed 81acc443c3ce42eb8e3b25856d6321bd - - -] [instance: 241fd332-0b17-40ac-a902-8e9774179d2d] Error from last host: p007.domain.com (node p007.domain.com): [u'Traceback (most recent call last):\n', u'  File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1926, in _do_build_and_run_instance\n    filter_properties)\n', u'  File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 2078, in _build_and_run_instance\n    instance_uuid=instance.uuid, reason=e.format_message())\n', u'RescheduledException: Build of instance 241fd332-0b17-40ac-a902-8e9774179d2d was re-scheduled: Insufficient compute resources: Free vcpu 0.00 VCPU < requested 1 VCPU.\n']