# Pastebin n7Ezs7aB
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b] Traceback (most recent call last):
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]   File "/var/lib/openstack/lib/python3.8/site-packages/nova/virt/libvirt/driver.py", line 7230, in _create_guest_with_network
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]     guest = self._create_guest(
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]   File "/usr/lib/python3.8/contextlib.py", line 120, in __exit__
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]     next(self.gen)
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]   File "/var/lib/openstack/lib/python3.8/site-packages/nova/compute/manager.py", line 479, in wait_for_instance_event
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]     actual_event = event.wait()
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]   File "/var/lib/openstack/lib/python3.8/site-packages/eventlet/event.py", line 125, in wait
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]     result = hub.switch()
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]   File "/var/lib/openstack/lib/python3.8/site-packages/eventlet/hubs/hub.py", line 313, in switch
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]     return self.greenlet.switch()
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b] eventlet.timeout.Timeout: 300 seconds
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b] 
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b] During handling of the above exception, another exception occurred:
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b] 
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b] Traceback (most recent call last):
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]   File "/var/lib/openstack/lib/python3.8/site-packages/nova/compute/manager.py", line 2409, in _build_and_run_instance
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]     self.driver.spawn(context, instance, image_meta,
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]   File "/var/lib/openstack/lib/python3.8/site-packages/nova/virt/libvirt/driver.py", line 4193, in spawn
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]     self._create_guest_with_network(
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]   File "/var/lib/openstack/lib/python3.8/site-packages/nova/virt/libvirt/driver.py", line 7256, in _create_guest_with_network
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]     raise exception.VirtualInterfaceCreateException()
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b] nova.exception.VirtualInterfaceCreateException: Virtual Interface creation failed
2022-04-17 00:21:28.651 877893 ERROR nova.compute.manager [instance: 0c0d2422-781c-4bd2-b6bd-e5e3c94b602b]