+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-22 22:32:47.191 1 INFO nova.utils [None req-b2f79456-014d-474b-8dc9-a804f355da1e - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-22 22:32:47.370 1 INFO nova.utils [None req-b2f79456-014d-474b-8dc9-a804f355da1e - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-22 22:32:48.370 1 INFO nova.utils [None req-b2f79456-014d-474b-8dc9-a804f355da1e - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-22 22:32:48.372 1 WARNING oslo_service.backend._threading.service [None req-b2f79456-014d-474b-8dc9-a804f355da1e - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-22 22:32:48.381 1 WARNING oslo_config.cfg [None req-b2f79456-014d-474b-8dc9-a804f355da1e - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.
2026-07-22 22:32:48.426 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-22 22:32:48.439 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-22 23:11:35.112 10 INFO nova.utils [None req-c270c795-fb9b-47ed-adcc-76c93417917c 7db0b50d1b254626be7bb8cfebcc040a a35b28290fd440199ac0a5434f80f68e - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-22 23:11:35.314 10 INFO nova.compute.rpcapi [None req-03a2ed6e-c23d-473c-b67c-03037558f024 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-22 23:11:42.524 12 INFO nova.utils [None req-6af6e9bd-0d9e-40af-83a7-8bbd314b383f 9508ba36c9f24b5ab8b49708507ff97c c7bb37fe79134643911b67208cf1a3d8 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-22 23:11:42.676 12 INFO nova.compute.rpcapi [None req-e60f6a94-b9e5-460e-82dd-2b31c4b7ca23 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-22 23:11:50.476 12 ERROR nova.scheduler.utils [None req-c270c795-fb9b-47ed-adcc-76c93417917c 7db0b50d1b254626be7bb8cfebcc040a a35b28290fd440199ac0a5434f80f68e - - default default] [instance: d7c96a9f-000a-4def-b95a-e6a41d9c94e1] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d7c96a9f-000a-4def-b95a-e6a41d9c94e1 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-22 23:11:50.477 12 WARNING nova.scheduler.utils [None req-c270c795-fb9b-47ed-adcc-76c93417917c 7db0b50d1b254626be7bb8cfebcc040a a35b28290fd440199ac0a5434f80f68e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d7c96a9f-000a-4def-b95a-e6a41d9c94e1.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d7c96a9f-000a-4def-b95a-e6a41d9c94e1.
2026-07-22 23:11:50.478 12 WARNING nova.scheduler.utils [None req-c270c795-fb9b-47ed-adcc-76c93417917c 7db0b50d1b254626be7bb8cfebcc040a a35b28290fd440199ac0a5434f80f68e - - default default] [instance: d7c96a9f-000a-4def-b95a-e6a41d9c94e1] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d7c96a9f-000a-4def-b95a-e6a41d9c94e1.
2026-07-22 23:11:50.584 12 WARNING neutronclient.v2_0.client [None req-c270c795-fb9b-47ed-adcc-76c93417917c 7db0b50d1b254626be7bb8cfebcc040a a35b28290fd440199ac0a5434f80f68e - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d7c96a9f-000a-4def-b95a-e6a41d9c94e1.
2026-07-22 23:11:51.109 12 WARNING neutronclient.v2_0.client [None req-c270c795-fb9b-47ed-adcc-76c93417917c 7db0b50d1b254626be7bb8cfebcc040a a35b28290fd440199ac0a5434f80f68e - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d7c96a9f-000a-4def-b95a-e6a41d9c94e1.
2026-07-22 23:11:56.781 12 ERROR nova.scheduler.utils [None req-6af6e9bd-0d9e-40af-83a7-8bbd314b383f 9508ba36c9f24b5ab8b49708507ff97c c7bb37fe79134643911b67208cf1a3d8 - - default default] [instance: 09867dda-e2f0-4aa8-8c1a-12cb7b8272cd] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 09867dda-e2f0-4aa8-8c1a-12cb7b8272cd was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-22 23:11:56.783 12 WARNING nova.scheduler.utils [None req-6af6e9bd-0d9e-40af-83a7-8bbd314b383f 9508ba36c9f24b5ab8b49708507ff97c c7bb37fe79134643911b67208cf1a3d8 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09867dda-e2f0-4aa8-8c1a-12cb7b8272cd.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09867dda-e2f0-4aa8-8c1a-12cb7b8272cd.
2026-07-22 23:11:56.783 12 WARNING nova.scheduler.utils [None req-6af6e9bd-0d9e-40af-83a7-8bbd314b383f 9508ba36c9f24b5ab8b49708507ff97c c7bb37fe79134643911b67208cf1a3d8 - - default default] [instance: 09867dda-e2f0-4aa8-8c1a-12cb7b8272cd] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09867dda-e2f0-4aa8-8c1a-12cb7b8272cd.
2026-07-22 23:11:56.831 12 WARNING neutronclient.v2_0.client [None req-6af6e9bd-0d9e-40af-83a7-8bbd314b383f 9508ba36c9f24b5ab8b49708507ff97c c7bb37fe79134643911b67208cf1a3d8 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09867dda-e2f0-4aa8-8c1a-12cb7b8272cd.
2026-07-22 23:11:56.853 12 WARNING neutronclient.v2_0.client [None req-6af6e9bd-0d9e-40af-83a7-8bbd314b383f 9508ba36c9f24b5ab8b49708507ff97c c7bb37fe79134643911b67208cf1a3d8 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09867dda-e2f0-4aa8-8c1a-12cb7b8272cd.
2026-07-22 23:12:05.948 12 ERROR nova.scheduler.utils [None req-420f589f-703a-4b1f-95b7-12931acdef46 420f23fbc1e94b50bd1839e707539073 03605b11dca648cf9af98f0b820bc733 - - default default] [instance: 98dd2f15-ba47-44e6-aa73-d9713810bdc5] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 98dd2f15-ba47-44e6-aa73-d9713810bdc5 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-22 23:12:05.950 12 WARNING nova.scheduler.utils [None req-420f589f-703a-4b1f-95b7-12931acdef46 420f23fbc1e94b50bd1839e707539073 03605b11dca648cf9af98f0b820bc733 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 98dd2f15-ba47-44e6-aa73-d9713810bdc5.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 98dd2f15-ba47-44e6-aa73-d9713810bdc5.
2026-07-22 23:12:05.950 12 WARNING nova.scheduler.utils [None req-420f589f-703a-4b1f-95b7-12931acdef46 420f23fbc1e94b50bd1839e707539073 03605b11dca648cf9af98f0b820bc733 - - default default] [instance: 98dd2f15-ba47-44e6-aa73-d9713810bdc5] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 98dd2f15-ba47-44e6-aa73-d9713810bdc5.
2026-07-22 23:12:06.002 12 WARNING neutronclient.v2_0.client [None req-420f589f-703a-4b1f-95b7-12931acdef46 420f23fbc1e94b50bd1839e707539073 03605b11dca648cf9af98f0b820bc733 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 98dd2f15-ba47-44e6-aa73-d9713810bdc5.
2026-07-22 23:12:06.047 12 WARNING neutronclient.v2_0.client [None req-420f589f-703a-4b1f-95b7-12931acdef46 420f23fbc1e94b50bd1839e707539073 03605b11dca648cf9af98f0b820bc733 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 98dd2f15-ba47-44e6-aa73-d9713810bdc5.
2026-07-22 23:12:19.160 12 ERROR nova.scheduler.utils [None req-08f75182-1435-48a8-8ac0-b6df836fcd3a e3d5c71f09c4486a8928bf7f151bdb4a 8b4a63136d754dd7a73d1587e8eda163 - - default default] [instance: c2bec3ce-3dca-468e-b996-f78fdf0944d8] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance c2bec3ce-3dca-468e-b996-f78fdf0944d8 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-22 23:12:19.162 12 WARNING nova.scheduler.utils [None req-08f75182-1435-48a8-8ac0-b6df836fcd3a e3d5c71f09c4486a8928bf7f151bdb4a 8b4a63136d754dd7a73d1587e8eda163 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c2bec3ce-3dca-468e-b996-f78fdf0944d8.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c2bec3ce-3dca-468e-b996-f78fdf0944d8.
2026-07-22 23:12:19.162 12 WARNING nova.scheduler.utils [None req-08f75182-1435-48a8-8ac0-b6df836fcd3a e3d5c71f09c4486a8928bf7f151bdb4a 8b4a63136d754dd7a73d1587e8eda163 - - default default] [instance: c2bec3ce-3dca-468e-b996-f78fdf0944d8] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c2bec3ce-3dca-468e-b996-f78fdf0944d8.
2026-07-22 23:12:19.205 12 WARNING neutronclient.v2_0.client [None req-08f75182-1435-48a8-8ac0-b6df836fcd3a e3d5c71f09c4486a8928bf7f151bdb4a 8b4a63136d754dd7a73d1587e8eda163 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c2bec3ce-3dca-468e-b996-f78fdf0944d8.
2026-07-22 23:12:19.233 12 WARNING neutronclient.v2_0.client [None req-08f75182-1435-48a8-8ac0-b6df836fcd3a e3d5c71f09c4486a8928bf7f151bdb4a 8b4a63136d754dd7a73d1587e8eda163 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c2bec3ce-3dca-468e-b996-f78fdf0944d8.
2026-07-22 23:12:24.062 12 ERROR nova.scheduler.utils [None req-49367bd7-ebf6-4b9a-9dc9-e8a3056fbd1a 62a6d4bea68f49718a6c32c57bcbda32 ae326f0bd7034566912b8b544e705e73 - - default default] [instance: 617ce418-ebdc-4770-a24c-3dbcce583d79] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 617ce418-ebdc-4770-a24c-3dbcce583d79 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-22 23:12:24.062 12 WARNING nova.scheduler.utils [None req-49367bd7-ebf6-4b9a-9dc9-e8a3056fbd1a 62a6d4bea68f49718a6c32c57bcbda32 ae326f0bd7034566912b8b544e705e73 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 617ce418-ebdc-4770-a24c-3dbcce583d79.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 617ce418-ebdc-4770-a24c-3dbcce583d79.
2026-07-22 23:12:24.062 12 WARNING nova.scheduler.utils [None req-49367bd7-ebf6-4b9a-9dc9-e8a3056fbd1a 62a6d4bea68f49718a6c32c57bcbda32 ae326f0bd7034566912b8b544e705e73 - - default default] [instance: 617ce418-ebdc-4770-a24c-3dbcce583d79] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 617ce418-ebdc-4770-a24c-3dbcce583d79.
2026-07-22 23:12:24.107 12 WARNING neutronclient.v2_0.client [None req-49367bd7-ebf6-4b9a-9dc9-e8a3056fbd1a 62a6d4bea68f49718a6c32c57bcbda32 ae326f0bd7034566912b8b544e705e73 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 617ce418-ebdc-4770-a24c-3dbcce583d79.
2026-07-22 23:12:24.138 12 WARNING neutronclient.v2_0.client [None req-49367bd7-ebf6-4b9a-9dc9-e8a3056fbd1a 62a6d4bea68f49718a6c32c57bcbda32 ae326f0bd7034566912b8b544e705e73 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 617ce418-ebdc-4770-a24c-3dbcce583d79.
2026-07-22 23:12:33.782 10 ERROR nova.scheduler.utils [None req-543c20a4-ac9c-4c02-9edd-f88ad09c90aa 5db215ad66d549dd8ac5a20560f8912e 9000a9bce2f94ddd93ffbcdba7608075 - - default default] [instance: 664e9f91-9897-4e94-bade-56b9437e32dd] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 664e9f91-9897-4e94-bade-56b9437e32dd was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-22 23:12:33.783 10 WARNING nova.scheduler.utils [None req-543c20a4-ac9c-4c02-9edd-f88ad09c90aa 5db215ad66d549dd8ac5a20560f8912e 9000a9bce2f94ddd93ffbcdba7608075 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 664e9f91-9897-4e94-bade-56b9437e32dd.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 664e9f91-9897-4e94-bade-56b9437e32dd.
2026-07-22 23:12:33.783 10 WARNING nova.scheduler.utils [None req-543c20a4-ac9c-4c02-9edd-f88ad09c90aa 5db215ad66d549dd8ac5a20560f8912e 9000a9bce2f94ddd93ffbcdba7608075 - - default default] [instance: 664e9f91-9897-4e94-bade-56b9437e32dd] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 664e9f91-9897-4e94-bade-56b9437e32dd.
2026-07-22 23:12:33.881 10 WARNING neutronclient.v2_0.client [None req-543c20a4-ac9c-4c02-9edd-f88ad09c90aa 5db215ad66d549dd8ac5a20560f8912e 9000a9bce2f94ddd93ffbcdba7608075 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 664e9f91-9897-4e94-bade-56b9437e32dd.
2026-07-22 23:12:34.502 10 WARNING neutronclient.v2_0.client [None req-543c20a4-ac9c-4c02-9edd-f88ad09c90aa 5db215ad66d549dd8ac5a20560f8912e 9000a9bce2f94ddd93ffbcdba7608075 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 664e9f91-9897-4e94-bade-56b9437e32dd.
2026-07-22 23:13:50.659 12 ERROR nova.scheduler.utils [None req-e258acb2-a74a-4947-b66e-94b946384496 36728df8d81248f4b7ee2e7c2bd1fe81 6c7d9b48a60146caabe16ea52b79430c - - default default] [instance: 09bdee96-512a-4336-8bf9-20b0075cc559] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 09bdee96-512a-4336-8bf9-20b0075cc559 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-22 23:13:50.660 12 WARNING nova.scheduler.utils [None req-e258acb2-a74a-4947-b66e-94b946384496 36728df8d81248f4b7ee2e7c2bd1fe81 6c7d9b48a60146caabe16ea52b79430c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09bdee96-512a-4336-8bf9-20b0075cc559.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09bdee96-512a-4336-8bf9-20b0075cc559.
2026-07-22 23:13:50.660 12 WARNING nova.scheduler.utils [None req-e258acb2-a74a-4947-b66e-94b946384496 36728df8d81248f4b7ee2e7c2bd1fe81 6c7d9b48a60146caabe16ea52b79430c - - default default] [instance: 09bdee96-512a-4336-8bf9-20b0075cc559] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09bdee96-512a-4336-8bf9-20b0075cc559.
2026-07-22 23:13:50.709 12 WARNING neutronclient.v2_0.client [None req-e258acb2-a74a-4947-b66e-94b946384496 36728df8d81248f4b7ee2e7c2bd1fe81 6c7d9b48a60146caabe16ea52b79430c - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09bdee96-512a-4336-8bf9-20b0075cc559.
2026-07-22 23:13:50.744 12 WARNING neutronclient.v2_0.client [None req-e258acb2-a74a-4947-b66e-94b946384496 36728df8d81248f4b7ee2e7c2bd1fe81 6c7d9b48a60146caabe16ea52b79430c - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09bdee96-512a-4336-8bf9-20b0075cc559.
2026-07-22 23:14:02.497 10 ERROR nova.scheduler.utils [None req-2c8eb6f4-da83-4a09-ad32-69ca27d89185 ef5fce591b424f0fb2f6e613583c6f22 326ba3e9459b42c690d82dce64922069 - - default default] [instance: 95143ecb-7ba4-42b8-bcd8-7d3bf89d3284] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 95143ecb-7ba4-42b8-bcd8-7d3bf89d3284 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-22 23:14:02.498 10 WARNING nova.scheduler.utils [None req-2c8eb6f4-da83-4a09-ad32-69ca27d89185 ef5fce591b424f0fb2f6e613583c6f22 326ba3e9459b42c690d82dce64922069 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 95143ecb-7ba4-42b8-bcd8-7d3bf89d3284.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 95143ecb-7ba4-42b8-bcd8-7d3bf89d3284.
2026-07-22 23:14:02.498 10 WARNING nova.scheduler.utils [None req-2c8eb6f4-da83-4a09-ad32-69ca27d89185 ef5fce591b424f0fb2f6e613583c6f22 326ba3e9459b42c690d82dce64922069 - - default default] [instance: 95143ecb-7ba4-42b8-bcd8-7d3bf89d3284] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 95143ecb-7ba4-42b8-bcd8-7d3bf89d3284.
2026-07-22 23:14:02.584 10 WARNING neutronclient.v2_0.client [None req-2c8eb6f4-da83-4a09-ad32-69ca27d89185 ef5fce591b424f0fb2f6e613583c6f22 326ba3e9459b42c690d82dce64922069 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 95143ecb-7ba4-42b8-bcd8-7d3bf89d3284.
2026-07-22 23:14:02.623 10 WARNING neutronclient.v2_0.client [None req-2c8eb6f4-da83-4a09-ad32-69ca27d89185 ef5fce591b424f0fb2f6e613583c6f22 326ba3e9459b42c690d82dce64922069 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 95143ecb-7ba4-42b8-bcd8-7d3bf89d3284.
2026-07-22 23:14:12.676 10 ERROR nova.scheduler.utils [None req-60343f01-218c-4ca3-ac35-1a20319fe940 3f9e5dcfdc064eb08913c771ef3a72ea 72abd0c974cc49969d9697b45a79db7c - - default default] [instance: 0e20e4ba-749b-4685-964a-593f326837bc] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 0e20e4ba-749b-4685-964a-593f326837bc was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-22 23:14:12.677 10 WARNING nova.scheduler.utils [None req-60343f01-218c-4ca3-ac35-1a20319fe940 3f9e5dcfdc064eb08913c771ef3a72ea 72abd0c974cc49969d9697b45a79db7c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0e20e4ba-749b-4685-964a-593f326837bc.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0e20e4ba-749b-4685-964a-593f326837bc.
2026-07-22 23:14:12.677 10 WARNING nova.scheduler.utils [None req-60343f01-218c-4ca3-ac35-1a20319fe940 3f9e5dcfdc064eb08913c771ef3a72ea 72abd0c974cc49969d9697b45a79db7c - - default default] [instance: 0e20e4ba-749b-4685-964a-593f326837bc] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0e20e4ba-749b-4685-964a-593f326837bc.
2026-07-22 23:14:12.749 10 WARNING neutronclient.v2_0.client [None req-60343f01-218c-4ca3-ac35-1a20319fe940 3f9e5dcfdc064eb08913c771ef3a72ea 72abd0c974cc49969d9697b45a79db7c - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0e20e4ba-749b-4685-964a-593f326837bc.
2026-07-22 23:14:12.784 10 WARNING neutronclient.v2_0.client [None req-60343f01-218c-4ca3-ac35-1a20319fe940 3f9e5dcfdc064eb08913c771ef3a72ea 72abd0c974cc49969d9697b45a79db7c - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0e20e4ba-749b-4685-964a-593f326837bc.
2026-07-22 23:14:26.022 12 ERROR nova.scheduler.utils [None req-9de8d6df-90a6-4849-85ce-6b9c6d67f159 2592876b1be742d5b99e27d32010f2e1 7decebacfc214121a5acc26a6d26a879 - - default default] [instance: 1438d69b-0c6c-451e-b99c-35f15ff45b39] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 1438d69b-0c6c-451e-b99c-35f15ff45b39 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-22 23:14:26.024 12 WARNING nova.scheduler.utils [None req-9de8d6df-90a6-4849-85ce-6b9c6d67f159 2592876b1be742d5b99e27d32010f2e1 7decebacfc214121a5acc26a6d26a879 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1438d69b-0c6c-451e-b99c-35f15ff45b39.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1438d69b-0c6c-451e-b99c-35f15ff45b39.
2026-07-22 23:14:26.024 12 WARNING nova.scheduler.utils [None req-9de8d6df-90a6-4849-85ce-6b9c6d67f159 2592876b1be742d5b99e27d32010f2e1 7decebacfc214121a5acc26a6d26a879 - - default default] [instance: 1438d69b-0c6c-451e-b99c-35f15ff45b39] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1438d69b-0c6c-451e-b99c-35f15ff45b39.
2026-07-22 23:14:26.077 12 WARNING neutronclient.v2_0.client [None req-9de8d6df-90a6-4849-85ce-6b9c6d67f159 2592876b1be742d5b99e27d32010f2e1 7decebacfc214121a5acc26a6d26a879 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1438d69b-0c6c-451e-b99c-35f15ff45b39.
2026-07-22 23:14:26.135 12 WARNING neutronclient.v2_0.client [None req-9de8d6df-90a6-4849-85ce-6b9c6d67f159 2592876b1be742d5b99e27d32010f2e1 7decebacfc214121a5acc26a6d26a879 - - default default] The python binding code in neutronclient is deprecated in favor of OpenstackSDK, please use that as this will be removed in a future release.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1438d69b-0c6c-451e-b99c-35f15ff45b39.