This is the failure in the compute during the unrescue:

http://paste.openstack.org/show/570328/

2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [req-2bd83902-baec-42cf-824d-d1c16aaedd4f tempest-ServerRescueNegativeTestJSON-727441625 tempest-ServerRescueNegativeTestJSON-727441625] [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244] Setting instance vm_state to ERROR
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244] Traceback (most recent call last):
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]   File "/opt/stack/nova/nova/compute/manager.py", line 6432, in _error_out_instance_on_exception
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]     yield
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]   File "/opt/stack/nova/nova/compute/manager.py", line 3262, in unrescue_instance
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]     network_info)
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]   File "/opt/stack/nova/nova/virt/libvirt/driver.py", line 2544, in unrescue
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]     self._create_domain(xml, virt_dom)
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]   File "/opt/stack/nova/nova/virt/libvirt/driver.py", line 4650, in _create_domain
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]     guest.launch(pause=pause)
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]   File "/opt/stack/nova/nova/virt/libvirt/guest.py", line 142, in launch
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]     self._encoded_xml, errors='ignore')
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220, in __exit__
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]     self.force_reraise()
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]   File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]     six.reraise(self.type_, self.value, self.tb)
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]   File "/opt/stack/nova/nova/virt/libvirt/guest.py", line 137, in launch
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]     return self._domain.createWithFlags(flags)
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 186, in doit
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]     result = proxy_call(self._autowrap, f, *args, **kwargs)
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 144, in proxy_call
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]     rv = execute(f, *args, **kwargs)
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 125, in execute
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]     six.reraise(c, e, tb)
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]   File "/usr/local/lib/python2.7/dist-packages/eventlet/tpool.py", line 83, in tworker
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]     rv = meth(*args, **kwargs)
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]   File "/usr/local/lib/python2.7/dist-packages/libvirt.py", line 900, in createWithFlags
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]     if ret == -1: raise libvirtError ('virDomainCreateWithFlags() failed', dom=self)
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244] libvirtError: Failed to open file '/mnt/quobyte-volume/abfa1002557ab2b21ec218a86487dd92/volume-351db2c5-9724-410f-b1d8-8680065c0788': No such file or directory
2016-07-23 13:03:19.943 1365 ERROR nova.compute.manager [instance: 35a2d53a-d80d-46b2-87a6-a7a82f9d5244]