+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-09 02:12:14.548 1 INFO nova.utils [None req-b117823c-3ca7-4542-af12-85f4a1bd09f2 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-09 02:12:14.686 1 INFO nova.utils [None req-b117823c-3ca7-4542-af12-85f4a1bd09f2 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-09 02:12:15.686 1 INFO nova.utils [None req-b117823c-3ca7-4542-af12-85f4a1bd09f2 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-09 02:12:15.689 1 WARNING oslo_service.backend._threading.service [None req-b117823c-3ca7-4542-af12-85f4a1bd09f2 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-09 02:12:15.700 1 WARNING oslo_config.cfg [None req-b117823c-3ca7-4542-af12-85f4a1bd09f2 - - - - - -] 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.
2026-07-09 02:12:15.744 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-09 02:12:15.757 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-09 02:16:33.741 12 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 12.88 sec
2026-07-09 02:16:33.749 10 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 12.88 sec
2026-07-09 02:54:45.512 12 INFO nova.utils [None req-7c911ac8-d650-466c-91c2-6e2eac25e5bf 3cf7431590ff4502848a3c98e2f5add9 6a7abf459aee44e4a9e1f07f33ec8def - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-09 02:54:45.878 12 INFO nova.compute.rpcapi [None req-c4224234-af78-4537-9729-e8097898e537 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-09 02:54:52.049 10 INFO nova.utils [None req-575fa72e-4386-4fe9-9e57-0a504849df8c 1f05d81277c94a26a4965a923eecc383 03c9678ddd264d5282fda8bbc2e02c1e - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-09 02:54:52.292 10 INFO nova.compute.rpcapi [None req-7ce7804b-eeff-4678-b01e-4d7731b0dcaf - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-09 02:55:01.880 12 ERROR nova.scheduler.utils [None req-7c911ac8-d650-466c-91c2-6e2eac25e5bf 3cf7431590ff4502848a3c98e2f5add9 6a7abf459aee44e4a9e1f07f33ec8def - - default default] [instance: 18fc1819-1724-493a-aa60-f7f7f1286fcf] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 18fc1819-1724-493a-aa60-f7f7f1286fcf was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 02:55:01.883 12 WARNING nova.scheduler.utils [None req-7c911ac8-d650-466c-91c2-6e2eac25e5bf 3cf7431590ff4502848a3c98e2f5add9 6a7abf459aee44e4a9e1f07f33ec8def - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 18fc1819-1724-493a-aa60-f7f7f1286fcf.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 18fc1819-1724-493a-aa60-f7f7f1286fcf.
2026-07-09 02:55:01.883 12 WARNING nova.scheduler.utils [None req-7c911ac8-d650-466c-91c2-6e2eac25e5bf 3cf7431590ff4502848a3c98e2f5add9 6a7abf459aee44e4a9e1f07f33ec8def - - default default] [instance: 18fc1819-1724-493a-aa60-f7f7f1286fcf] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 18fc1819-1724-493a-aa60-f7f7f1286fcf.
2026-07-09 02:55:02.002 12 WARNING neutronclient.v2_0.client [None req-7c911ac8-d650-466c-91c2-6e2eac25e5bf 3cf7431590ff4502848a3c98e2f5add9 6a7abf459aee44e4a9e1f07f33ec8def - - 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 18fc1819-1724-493a-aa60-f7f7f1286fcf.
2026-07-09 02:55:02.429 12 WARNING neutronclient.v2_0.client [None req-7c911ac8-d650-466c-91c2-6e2eac25e5bf 3cf7431590ff4502848a3c98e2f5add9 6a7abf459aee44e4a9e1f07f33ec8def - - 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 18fc1819-1724-493a-aa60-f7f7f1286fcf.
2026-07-09 02:55:03.501 12 ERROR nova.scheduler.utils [None req-3b11f643-c955-4eda-8e56-f9ef29e9469c b4338b17a9cf4c73b917a0d8c8179800 e4e45d805a5b46e3815eac623826ce2a - - default default] [instance: 913ae450-079a-41a5-891d-cca1bf4760e3] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 913ae450-079a-41a5-891d-cca1bf4760e3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 02:55:03.502 12 WARNING nova.scheduler.utils [None req-3b11f643-c955-4eda-8e56-f9ef29e9469c b4338b17a9cf4c73b917a0d8c8179800 e4e45d805a5b46e3815eac623826ce2a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 913ae450-079a-41a5-891d-cca1bf4760e3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 913ae450-079a-41a5-891d-cca1bf4760e3.
2026-07-09 02:55:03.502 12 WARNING nova.scheduler.utils [None req-3b11f643-c955-4eda-8e56-f9ef29e9469c b4338b17a9cf4c73b917a0d8c8179800 e4e45d805a5b46e3815eac623826ce2a - - default default] [instance: 913ae450-079a-41a5-891d-cca1bf4760e3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 913ae450-079a-41a5-891d-cca1bf4760e3.
2026-07-09 02:55:03.572 12 WARNING neutronclient.v2_0.client [None req-3b11f643-c955-4eda-8e56-f9ef29e9469c b4338b17a9cf4c73b917a0d8c8179800 e4e45d805a5b46e3815eac623826ce2a - - 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 913ae450-079a-41a5-891d-cca1bf4760e3.
2026-07-09 02:55:03.604 12 WARNING neutronclient.v2_0.client [None req-3b11f643-c955-4eda-8e56-f9ef29e9469c b4338b17a9cf4c73b917a0d8c8179800 e4e45d805a5b46e3815eac623826ce2a - - 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 913ae450-079a-41a5-891d-cca1bf4760e3.
2026-07-09 02:55:09.880 12 ERROR nova.scheduler.utils [None req-575fa72e-4386-4fe9-9e57-0a504849df8c 1f05d81277c94a26a4965a923eecc383 03c9678ddd264d5282fda8bbc2e02c1e - - default default] [instance: 66e14d73-e7d7-4df9-8d9f-287041ea6859] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 66e14d73-e7d7-4df9-8d9f-287041ea6859 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 02:55:09.881 12 WARNING nova.scheduler.utils [None req-575fa72e-4386-4fe9-9e57-0a504849df8c 1f05d81277c94a26a4965a923eecc383 03c9678ddd264d5282fda8bbc2e02c1e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 66e14d73-e7d7-4df9-8d9f-287041ea6859.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 66e14d73-e7d7-4df9-8d9f-287041ea6859.
2026-07-09 02:55:09.882 12 WARNING nova.scheduler.utils [None req-575fa72e-4386-4fe9-9e57-0a504849df8c 1f05d81277c94a26a4965a923eecc383 03c9678ddd264d5282fda8bbc2e02c1e - - default default] [instance: 66e14d73-e7d7-4df9-8d9f-287041ea6859] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 66e14d73-e7d7-4df9-8d9f-287041ea6859.
2026-07-09 02:55:09.948 12 WARNING neutronclient.v2_0.client [None req-575fa72e-4386-4fe9-9e57-0a504849df8c 1f05d81277c94a26a4965a923eecc383 03c9678ddd264d5282fda8bbc2e02c1e - - 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 66e14d73-e7d7-4df9-8d9f-287041ea6859.
2026-07-09 02:55:09.979 12 WARNING neutronclient.v2_0.client [None req-575fa72e-4386-4fe9-9e57-0a504849df8c 1f05d81277c94a26a4965a923eecc383 03c9678ddd264d5282fda8bbc2e02c1e - - 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 66e14d73-e7d7-4df9-8d9f-287041ea6859.
2026-07-09 02:55:39.150 12 ERROR nova.scheduler.utils [None req-4ae2d482-21ad-4f41-a020-37b3178ae5fb 07fd10e95a2849c8a22b753fb8d5b831 d9c0d59bb36440c2bb430c82044a5827 - - default default] [instance: 6c8ae096-e1dc-4a5d-9e4f-933df7688b4e] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 6c8ae096-e1dc-4a5d-9e4f-933df7688b4e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 02:55:39.150 12 WARNING nova.scheduler.utils [None req-4ae2d482-21ad-4f41-a020-37b3178ae5fb 07fd10e95a2849c8a22b753fb8d5b831 d9c0d59bb36440c2bb430c82044a5827 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6c8ae096-e1dc-4a5d-9e4f-933df7688b4e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6c8ae096-e1dc-4a5d-9e4f-933df7688b4e.
2026-07-09 02:55:39.150 12 WARNING nova.scheduler.utils [None req-4ae2d482-21ad-4f41-a020-37b3178ae5fb 07fd10e95a2849c8a22b753fb8d5b831 d9c0d59bb36440c2bb430c82044a5827 - - default default] [instance: 6c8ae096-e1dc-4a5d-9e4f-933df7688b4e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6c8ae096-e1dc-4a5d-9e4f-933df7688b4e.
2026-07-09 02:55:39.202 12 WARNING neutronclient.v2_0.client [None req-4ae2d482-21ad-4f41-a020-37b3178ae5fb 07fd10e95a2849c8a22b753fb8d5b831 d9c0d59bb36440c2bb430c82044a5827 - - 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 6c8ae096-e1dc-4a5d-9e4f-933df7688b4e.
2026-07-09 02:55:39.233 12 WARNING neutronclient.v2_0.client [None req-4ae2d482-21ad-4f41-a020-37b3178ae5fb 07fd10e95a2849c8a22b753fb8d5b831 d9c0d59bb36440c2bb430c82044a5827 - - 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 6c8ae096-e1dc-4a5d-9e4f-933df7688b4e.
2026-07-09 02:55:40.800 12 ERROR nova.scheduler.utils [None req-e5f32535-ec19-4947-b234-1ce102a9796c a3589bc1d8fb4cc6bfdc89cad3ab5d8d aae148e8bc5f44618cb7d8b04666279a - - default default] [instance: 6aafd88d-b6ac-4886-90a0-90eac6cd55ef] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 6aafd88d-b6ac-4886-90a0-90eac6cd55ef was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 02:55:40.801 12 WARNING nova.scheduler.utils [None req-e5f32535-ec19-4947-b234-1ce102a9796c a3589bc1d8fb4cc6bfdc89cad3ab5d8d aae148e8bc5f44618cb7d8b04666279a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6aafd88d-b6ac-4886-90a0-90eac6cd55ef.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6aafd88d-b6ac-4886-90a0-90eac6cd55ef.
2026-07-09 02:55:40.802 12 WARNING nova.scheduler.utils [None req-e5f32535-ec19-4947-b234-1ce102a9796c a3589bc1d8fb4cc6bfdc89cad3ab5d8d aae148e8bc5f44618cb7d8b04666279a - - default default] [instance: 6aafd88d-b6ac-4886-90a0-90eac6cd55ef] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6aafd88d-b6ac-4886-90a0-90eac6cd55ef.
2026-07-09 02:55:40.861 12 WARNING neutronclient.v2_0.client [None req-e5f32535-ec19-4947-b234-1ce102a9796c a3589bc1d8fb4cc6bfdc89cad3ab5d8d aae148e8bc5f44618cb7d8b04666279a - - 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 6aafd88d-b6ac-4886-90a0-90eac6cd55ef.
2026-07-09 02:55:41.161 12 WARNING neutronclient.v2_0.client [None req-e5f32535-ec19-4947-b234-1ce102a9796c a3589bc1d8fb4cc6bfdc89cad3ab5d8d aae148e8bc5f44618cb7d8b04666279a - - 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 6aafd88d-b6ac-4886-90a0-90eac6cd55ef.
2026-07-09 02:55:46.494 12 ERROR nova.scheduler.utils [None req-5d1628bf-cb88-4843-9814-3659010835a4 450aa621b40d4b82b4a679d4884800af 7ffd792052dd4efcb246e6fa05c1a371 - - default default] [instance: ba107955-e802-4462-82f4-9eb4060f5688] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance ba107955-e802-4462-82f4-9eb4060f5688 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 02:55:46.495 12 WARNING nova.scheduler.utils [None req-5d1628bf-cb88-4843-9814-3659010835a4 450aa621b40d4b82b4a679d4884800af 7ffd792052dd4efcb246e6fa05c1a371 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ba107955-e802-4462-82f4-9eb4060f5688.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ba107955-e802-4462-82f4-9eb4060f5688.
2026-07-09 02:55:46.495 12 WARNING nova.scheduler.utils [None req-5d1628bf-cb88-4843-9814-3659010835a4 450aa621b40d4b82b4a679d4884800af 7ffd792052dd4efcb246e6fa05c1a371 - - default default] [instance: ba107955-e802-4462-82f4-9eb4060f5688] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ba107955-e802-4462-82f4-9eb4060f5688.
2026-07-09 02:55:46.553 12 WARNING neutronclient.v2_0.client [None req-5d1628bf-cb88-4843-9814-3659010835a4 450aa621b40d4b82b4a679d4884800af 7ffd792052dd4efcb246e6fa05c1a371 - - 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 ba107955-e802-4462-82f4-9eb4060f5688.
2026-07-09 02:55:46.592 12 WARNING neutronclient.v2_0.client [None req-5d1628bf-cb88-4843-9814-3659010835a4 450aa621b40d4b82b4a679d4884800af 7ffd792052dd4efcb246e6fa05c1a371 - - 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 ba107955-e802-4462-82f4-9eb4060f5688.
2026-07-09 02:57:55.110 12 ERROR nova.scheduler.utils [None req-9bf93e43-291d-4df3-8e36-353b21f1c620 73d9bd1f388b4dc7acf8d0962143d2f5 3eb9af92fa9042d382d4b6367cc36f4b - - default default] [instance: 28f8f4ae-10a3-4332-be2f-56f0346782e4] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 28f8f4ae-10a3-4332-be2f-56f0346782e4 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 02:57:55.111 12 WARNING nova.scheduler.utils [None req-9bf93e43-291d-4df3-8e36-353b21f1c620 73d9bd1f388b4dc7acf8d0962143d2f5 3eb9af92fa9042d382d4b6367cc36f4b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 28f8f4ae-10a3-4332-be2f-56f0346782e4.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 28f8f4ae-10a3-4332-be2f-56f0346782e4.
2026-07-09 02:57:55.111 12 WARNING nova.scheduler.utils [None req-9bf93e43-291d-4df3-8e36-353b21f1c620 73d9bd1f388b4dc7acf8d0962143d2f5 3eb9af92fa9042d382d4b6367cc36f4b - - default default] [instance: 28f8f4ae-10a3-4332-be2f-56f0346782e4] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 28f8f4ae-10a3-4332-be2f-56f0346782e4.
2026-07-09 02:57:55.208 12 WARNING neutronclient.v2_0.client [None req-9bf93e43-291d-4df3-8e36-353b21f1c620 73d9bd1f388b4dc7acf8d0962143d2f5 3eb9af92fa9042d382d4b6367cc36f4b - - 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 28f8f4ae-10a3-4332-be2f-56f0346782e4.
2026-07-09 02:57:55.395 12 WARNING neutronclient.v2_0.client [None req-9bf93e43-291d-4df3-8e36-353b21f1c620 73d9bd1f388b4dc7acf8d0962143d2f5 3eb9af92fa9042d382d4b6367cc36f4b - - 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 28f8f4ae-10a3-4332-be2f-56f0346782e4.
2026-07-09 02:58:33.403 10 ERROR nova.scheduler.utils [None req-6b91591f-8bd2-4c8b-9216-232ff5cc40fd 88cfc7d609c4406abf51396352b07454 9f0398355c3b4f50b361b90fe6331e17 - - default default] [instance: ff64d828-27c6-4883-8d0f-43ec0dfd6a29] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance ff64d828-27c6-4883-8d0f-43ec0dfd6a29 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 02:58:33.405 10 WARNING nova.scheduler.utils [None req-6b91591f-8bd2-4c8b-9216-232ff5cc40fd 88cfc7d609c4406abf51396352b07454 9f0398355c3b4f50b361b90fe6331e17 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ff64d828-27c6-4883-8d0f-43ec0dfd6a29.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ff64d828-27c6-4883-8d0f-43ec0dfd6a29.
2026-07-09 02:58:33.405 10 WARNING nova.scheduler.utils [None req-6b91591f-8bd2-4c8b-9216-232ff5cc40fd 88cfc7d609c4406abf51396352b07454 9f0398355c3b4f50b361b90fe6331e17 - - default default] [instance: ff64d828-27c6-4883-8d0f-43ec0dfd6a29] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ff64d828-27c6-4883-8d0f-43ec0dfd6a29.
2026-07-09 02:58:33.533 10 WARNING neutronclient.v2_0.client [None req-6b91591f-8bd2-4c8b-9216-232ff5cc40fd 88cfc7d609c4406abf51396352b07454 9f0398355c3b4f50b361b90fe6331e17 - - 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 ff64d828-27c6-4883-8d0f-43ec0dfd6a29.
2026-07-09 02:58:34.349 10 WARNING neutronclient.v2_0.client [None req-6b91591f-8bd2-4c8b-9216-232ff5cc40fd 88cfc7d609c4406abf51396352b07454 9f0398355c3b4f50b361b90fe6331e17 - - 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 ff64d828-27c6-4883-8d0f-43ec0dfd6a29.
2026-07-09 02:59:19.394 10 ERROR nova.scheduler.utils [None req-ddcffc64-67fe-430f-969b-795910adfc19 31b9eb8875664502ab8e621b3dccfd34 b5fbf2e2a7e74613a53a8d3751846d45 - - default default] [instance: ccfcac8e-67b0-46c3-adcc-691f2a178fbe] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance ccfcac8e-67b0-46c3-adcc-691f2a178fbe was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 02:59:19.395 10 WARNING nova.scheduler.utils [None req-ddcffc64-67fe-430f-969b-795910adfc19 31b9eb8875664502ab8e621b3dccfd34 b5fbf2e2a7e74613a53a8d3751846d45 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ccfcac8e-67b0-46c3-adcc-691f2a178fbe.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ccfcac8e-67b0-46c3-adcc-691f2a178fbe.
2026-07-09 02:59:19.396 10 WARNING nova.scheduler.utils [None req-ddcffc64-67fe-430f-969b-795910adfc19 31b9eb8875664502ab8e621b3dccfd34 b5fbf2e2a7e74613a53a8d3751846d45 - - default default] [instance: ccfcac8e-67b0-46c3-adcc-691f2a178fbe] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ccfcac8e-67b0-46c3-adcc-691f2a178fbe.
2026-07-09 02:59:19.455 10 WARNING neutronclient.v2_0.client [None req-ddcffc64-67fe-430f-969b-795910adfc19 31b9eb8875664502ab8e621b3dccfd34 b5fbf2e2a7e74613a53a8d3751846d45 - - 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 ccfcac8e-67b0-46c3-adcc-691f2a178fbe.
2026-07-09 02:59:19.493 10 WARNING neutronclient.v2_0.client [None req-ddcffc64-67fe-430f-969b-795910adfc19 31b9eb8875664502ab8e621b3dccfd34 b5fbf2e2a7e74613a53a8d3751846d45 - - 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 ccfcac8e-67b0-46c3-adcc-691f2a178fbe.
2026-07-09 03:00:10.766 12 ERROR nova.scheduler.utils [None req-8d9fd8ac-cbe3-4725-a09a-6020a5ef21e7 48ebf29fe940411289f223dee2c45699 6525a9be8f534081833c157cc3f2a467 - - default default] [instance: 81f76c64-980e-4ca6-afbe-fccf01eee174] 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 2821, 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 81f76c64-980e-4ca6-afbe-fccf01eee174 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 03:00:10.767 12 WARNING nova.scheduler.utils [None req-8d9fd8ac-cbe3-4725-a09a-6020a5ef21e7 48ebf29fe940411289f223dee2c45699 6525a9be8f534081833c157cc3f2a467 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 81f76c64-980e-4ca6-afbe-fccf01eee174.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 81f76c64-980e-4ca6-afbe-fccf01eee174.
2026-07-09 03:00:10.767 12 WARNING nova.scheduler.utils [None req-8d9fd8ac-cbe3-4725-a09a-6020a5ef21e7 48ebf29fe940411289f223dee2c45699 6525a9be8f534081833c157cc3f2a467 - - default default] [instance: 81f76c64-980e-4ca6-afbe-fccf01eee174] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 81f76c64-980e-4ca6-afbe-fccf01eee174.
2026-07-09 03:00:10.836 12 WARNING neutronclient.v2_0.client [None req-8d9fd8ac-cbe3-4725-a09a-6020a5ef21e7 48ebf29fe940411289f223dee2c45699 6525a9be8f534081833c157cc3f2a467 - - 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 81f76c64-980e-4ca6-afbe-fccf01eee174.
2026-07-09 03:00:11.223 12 WARNING neutronclient.v2_0.client [None req-8d9fd8ac-cbe3-4725-a09a-6020a5ef21e7 48ebf29fe940411289f223dee2c45699 6525a9be8f534081833c157cc3f2a467 - - 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 81f76c64-980e-4ca6-afbe-fccf01eee174.