2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00mTraceback (most recent call last):
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/opt/stack/nova/nova/compute/manager.py", line 2124, in _build_resources
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    yield resources
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/opt/stack/nova/nova/compute/manager.py", line 1929, in _build_and_run_instance
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    block_device_info=block_device_info)
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/opt/stack/nova/nova/virt/libvirt/driver.py", line 2665, in spawn
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    destroy_disks_on_failure=True)
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/opt/stack/nova/nova/virt/libvirt/driver.py", line 5068, in _create_domain_and_network
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    destroy_disks_on_failure)
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    self.force_reraise()
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    six.reraise(self.type_, self.value, self.tb)
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/opt/stack/nova/nova/virt/libvirt/driver.py", line 5040, in _create_domain_and_network
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    post_xml_callback=post_xml_callback)
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/opt/stack/nova/nova/virt/libvirt/driver.py", line 4958, in _create_domain
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    guest.launch(pause=pause)
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/opt/stack/nova/nova/virt/libvirt/guest.py", line 145, in launch
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    self._encoded_xml, errors='ignore')
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    self.force_reraise()
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    six.reraise(self.type_, self.value, self.tb)
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/opt/stack/nova/nova/virt/libvirt/guest.py", line 140, in launch
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    return self._domain.createWithFlags(flags)
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 186, in doit
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    result = proxy_call(self._autowrap, f, *args, **kwargs)
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 144, in proxy_call
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    rv = execute(f, *args, **kwargs)
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 125, in execute
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    six.reraise(c, e, tb)
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/usr/lib/python2.7/site-packages/eventlet/tpool.py", line 83, in tworker
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    rv = meth(*args, **kwargs)
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m  File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1065, in createWithFlags
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m    if ret == -1: raise libvirtError ('virDomainCreateWithFlags() failed', dom=self)
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00mlibvirtError: internal error: Unable to add port tap2839d93e-e2 to OVS bridge br-int
2017-03-07 14:08:28.284 TRACE nova.compute.manager ^[[01;35m[instance: 416d0d89-c786-435c-8fd1-85acd857b220] ^[[00m