+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-09-14 20:22:43.600 1 INFO nova.utils [None req-5e659b5b-f520-4335-951a-4ca70e4f1359 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-09-14 20:22:43.784 1 INFO nova.utils [None req-5e659b5b-f520-4335-951a-4ca70e4f1359 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-09-14 20:22:44.784 1 INFO nova.utils [None req-5e659b5b-f520-4335-951a-4ca70e4f1359 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-09-14 20:22:44.786 1 WARNING oslo_service.backend._threading.service [None req-5e659b5b-f520-4335-951a-4ca70e4f1359 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-09-14 20:22:44.799 1 WARNING oslo_config.cfg [None req-5e659b5b-f520-4335-951a-4ca70e4f1359 - - - - - -] 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. 2026-09-14 20:22:44.858 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-09-14 20:22:44.871 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-09-14 21:03:17.772 10 INFO nova.utils [None req-84106269-3feb-447b-956b-c3df9b393973 3446ed1522644b579ccf8d8a8f5ab944 d253ddb71cc545d08764673c70075399 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-09-14 21:03:17.938 10 INFO nova.compute.rpcapi [None req-bc52a1a3-686e-4fba-9877-ceea6bf8571c - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-09-14 21:03:33.020 12 ERROR nova.scheduler.utils [None req-84106269-3feb-447b-956b-c3df9b393973 3446ed1522644b579ccf8d8a8f5ab944 d253ddb71cc545d08764673c70075399 - - default default] [instance: 9c73a13d-c1e9-4b62-b243-c2a1f901b289] 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 9c73a13d-c1e9-4b62-b243-c2a1f901b289 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-14 21:03:33.021 12 WARNING nova.scheduler.utils [None req-84106269-3feb-447b-956b-c3df9b393973 3446ed1522644b579ccf8d8a8f5ab944 d253ddb71cc545d08764673c70075399 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9c73a13d-c1e9-4b62-b243-c2a1f901b289.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9c73a13d-c1e9-4b62-b243-c2a1f901b289. 2026-09-14 21:03:33.021 12 WARNING nova.scheduler.utils [None req-84106269-3feb-447b-956b-c3df9b393973 3446ed1522644b579ccf8d8a8f5ab944 d253ddb71cc545d08764673c70075399 - - default default] [instance: 9c73a13d-c1e9-4b62-b243-c2a1f901b289] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9c73a13d-c1e9-4b62-b243-c2a1f901b289. 2026-09-14 21:03:33.119 12 WARNING neutronclient.v2_0.client [None req-84106269-3feb-447b-956b-c3df9b393973 3446ed1522644b579ccf8d8a8f5ab944 d253ddb71cc545d08764673c70075399 - - 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 9c73a13d-c1e9-4b62-b243-c2a1f901b289. 2026-09-14 21:03:33.688 12 WARNING neutronclient.v2_0.client [None req-84106269-3feb-447b-956b-c3df9b393973 3446ed1522644b579ccf8d8a8f5ab944 d253ddb71cc545d08764673c70075399 - - 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 9c73a13d-c1e9-4b62-b243-c2a1f901b289. 2026-09-14 21:04:07.398 12 ERROR nova.scheduler.utils [None req-60109730-22ba-456f-a1c7-4115d85bba4e d0b219a23d634e7987d8a66f88658174 9344ed8be5fa4dab9bee3dea3315df0e - - default default] [instance: 18dd49d9-cee3-4f44-af90-14a9c6a676b2] 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 18dd49d9-cee3-4f44-af90-14a9c6a676b2 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-14 21:04:07.399 12 WARNING nova.scheduler.utils [None req-60109730-22ba-456f-a1c7-4115d85bba4e d0b219a23d634e7987d8a66f88658174 9344ed8be5fa4dab9bee3dea3315df0e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 18dd49d9-cee3-4f44-af90-14a9c6a676b2.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 18dd49d9-cee3-4f44-af90-14a9c6a676b2. 2026-09-14 21:04:07.399 12 WARNING nova.scheduler.utils [None req-60109730-22ba-456f-a1c7-4115d85bba4e d0b219a23d634e7987d8a66f88658174 9344ed8be5fa4dab9bee3dea3315df0e - - default default] [instance: 18dd49d9-cee3-4f44-af90-14a9c6a676b2] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 18dd49d9-cee3-4f44-af90-14a9c6a676b2. 2026-09-14 21:04:07.441 12 WARNING neutronclient.v2_0.client [None req-60109730-22ba-456f-a1c7-4115d85bba4e d0b219a23d634e7987d8a66f88658174 9344ed8be5fa4dab9bee3dea3315df0e - - 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 18dd49d9-cee3-4f44-af90-14a9c6a676b2. 2026-09-14 21:04:08.604 12 WARNING neutronclient.v2_0.client [None req-60109730-22ba-456f-a1c7-4115d85bba4e d0b219a23d634e7987d8a66f88658174 9344ed8be5fa4dab9bee3dea3315df0e - - 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 18dd49d9-cee3-4f44-af90-14a9c6a676b2. 2026-09-14 21:04:35.918 12 ERROR nova.scheduler.utils [None req-cf5bf1d7-ccaf-4bd8-b027-159812a714ff 5ca67b6ba4e648d2859cada9a2580fe8 595a5978d4c04858b25e8438d1e825e0 - - default default] [instance: 281d8326-2f04-4e58-9316-500deb4853bb] 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 281d8326-2f04-4e58-9316-500deb4853bb was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-14 21:04:35.919 12 WARNING nova.scheduler.utils [None req-cf5bf1d7-ccaf-4bd8-b027-159812a714ff 5ca67b6ba4e648d2859cada9a2580fe8 595a5978d4c04858b25e8438d1e825e0 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 281d8326-2f04-4e58-9316-500deb4853bb.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 281d8326-2f04-4e58-9316-500deb4853bb. 2026-09-14 21:04:35.919 12 WARNING nova.scheduler.utils [None req-cf5bf1d7-ccaf-4bd8-b027-159812a714ff 5ca67b6ba4e648d2859cada9a2580fe8 595a5978d4c04858b25e8438d1e825e0 - - default default] [instance: 281d8326-2f04-4e58-9316-500deb4853bb] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 281d8326-2f04-4e58-9316-500deb4853bb. 2026-09-14 21:04:35.968 12 WARNING neutronclient.v2_0.client [None req-cf5bf1d7-ccaf-4bd8-b027-159812a714ff 5ca67b6ba4e648d2859cada9a2580fe8 595a5978d4c04858b25e8438d1e825e0 - - 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 281d8326-2f04-4e58-9316-500deb4853bb. 2026-09-14 21:04:36.001 12 WARNING neutronclient.v2_0.client [None req-cf5bf1d7-ccaf-4bd8-b027-159812a714ff 5ca67b6ba4e648d2859cada9a2580fe8 595a5978d4c04858b25e8438d1e825e0 - - 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 281d8326-2f04-4e58-9316-500deb4853bb. 2026-09-14 21:04:37.710 10 ERROR nova.scheduler.utils [None req-6b024c6a-6e49-46eb-b8e9-495c0470d178 9ced2a6167ee4057b8374552f2605385 e2c5c4c7e9b04d07b9e81317b0c5edfe - - default default] [instance: 6ebf51aa-c555-4549-a36c-2ec53345ddb7] 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 6ebf51aa-c555-4549-a36c-2ec53345ddb7 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-14 21:04:37.711 10 WARNING nova.scheduler.utils [None req-6b024c6a-6e49-46eb-b8e9-495c0470d178 9ced2a6167ee4057b8374552f2605385 e2c5c4c7e9b04d07b9e81317b0c5edfe - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6ebf51aa-c555-4549-a36c-2ec53345ddb7.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6ebf51aa-c555-4549-a36c-2ec53345ddb7. 2026-09-14 21:04:37.711 10 WARNING nova.scheduler.utils [None req-6b024c6a-6e49-46eb-b8e9-495c0470d178 9ced2a6167ee4057b8374552f2605385 e2c5c4c7e9b04d07b9e81317b0c5edfe - - default default] [instance: 6ebf51aa-c555-4549-a36c-2ec53345ddb7] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6ebf51aa-c555-4549-a36c-2ec53345ddb7. 2026-09-14 21:04:37.788 10 WARNING neutronclient.v2_0.client [None req-6b024c6a-6e49-46eb-b8e9-495c0470d178 9ced2a6167ee4057b8374552f2605385 e2c5c4c7e9b04d07b9e81317b0c5edfe - - 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 6ebf51aa-c555-4549-a36c-2ec53345ddb7. 2026-09-14 21:04:39.292 10 WARNING neutronclient.v2_0.client [None req-6b024c6a-6e49-46eb-b8e9-495c0470d178 9ced2a6167ee4057b8374552f2605385 e2c5c4c7e9b04d07b9e81317b0c5edfe - - 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 6ebf51aa-c555-4549-a36c-2ec53345ddb7. 2026-09-14 21:04:44.996 12 INFO nova.utils [None req-0aae982a-3243-48d6-916d-7b6e7b8d347a 23fb345928a14f5b9ef28786078534c9 6d2035adab5c4e6ba90bf8e6e1f40836 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-09-14 21:04:45.170 12 INFO nova.compute.rpcapi [None req-842fb47c-3157-4ac3-b148-f4157d3f16d1 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-09-14 21:05:01.054 10 ERROR nova.scheduler.utils [None req-0aae982a-3243-48d6-916d-7b6e7b8d347a 23fb345928a14f5b9ef28786078534c9 6d2035adab5c4e6ba90bf8e6e1f40836 - - default default] [instance: 9e909222-9a8a-4d25-8075-d33f51b9198a] 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 9e909222-9a8a-4d25-8075-d33f51b9198a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-14 21:05:01.056 10 WARNING nova.scheduler.utils [None req-0aae982a-3243-48d6-916d-7b6e7b8d347a 23fb345928a14f5b9ef28786078534c9 6d2035adab5c4e6ba90bf8e6e1f40836 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9e909222-9a8a-4d25-8075-d33f51b9198a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9e909222-9a8a-4d25-8075-d33f51b9198a. 2026-09-14 21:05:01.056 10 WARNING nova.scheduler.utils [None req-0aae982a-3243-48d6-916d-7b6e7b8d347a 23fb345928a14f5b9ef28786078534c9 6d2035adab5c4e6ba90bf8e6e1f40836 - - default default] [instance: 9e909222-9a8a-4d25-8075-d33f51b9198a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9e909222-9a8a-4d25-8075-d33f51b9198a. 2026-09-14 21:05:01.135 10 WARNING neutronclient.v2_0.client [None req-0aae982a-3243-48d6-916d-7b6e7b8d347a 23fb345928a14f5b9ef28786078534c9 6d2035adab5c4e6ba90bf8e6e1f40836 - - 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 9e909222-9a8a-4d25-8075-d33f51b9198a. 2026-09-14 21:05:01.162 10 WARNING neutronclient.v2_0.client [None req-0aae982a-3243-48d6-916d-7b6e7b8d347a 23fb345928a14f5b9ef28786078534c9 6d2035adab5c4e6ba90bf8e6e1f40836 - - 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 9e909222-9a8a-4d25-8075-d33f51b9198a. 2026-09-14 21:05:06.925 12 ERROR nova.scheduler.utils [None req-352d4012-7ccd-416a-b0c4-dea67d3098fd a655026adc8d41f3ab2eb63b1f82e05a 60535e1587b2433094bae140ba6cf017 - - default default] [instance: e208ad39-40ba-494f-b754-7ebe1e2488e0] 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 e208ad39-40ba-494f-b754-7ebe1e2488e0 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-14 21:05:06.927 12 WARNING nova.scheduler.utils [None req-352d4012-7ccd-416a-b0c4-dea67d3098fd a655026adc8d41f3ab2eb63b1f82e05a 60535e1587b2433094bae140ba6cf017 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e208ad39-40ba-494f-b754-7ebe1e2488e0.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e208ad39-40ba-494f-b754-7ebe1e2488e0. 2026-09-14 21:05:06.928 12 WARNING nova.scheduler.utils [None req-352d4012-7ccd-416a-b0c4-dea67d3098fd a655026adc8d41f3ab2eb63b1f82e05a 60535e1587b2433094bae140ba6cf017 - - default default] [instance: e208ad39-40ba-494f-b754-7ebe1e2488e0] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e208ad39-40ba-494f-b754-7ebe1e2488e0. 2026-09-14 21:05:06.986 12 WARNING neutronclient.v2_0.client [None req-352d4012-7ccd-416a-b0c4-dea67d3098fd a655026adc8d41f3ab2eb63b1f82e05a 60535e1587b2433094bae140ba6cf017 - - 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 e208ad39-40ba-494f-b754-7ebe1e2488e0. 2026-09-14 21:05:07.010 12 WARNING neutronclient.v2_0.client [None req-352d4012-7ccd-416a-b0c4-dea67d3098fd a655026adc8d41f3ab2eb63b1f82e05a 60535e1587b2433094bae140ba6cf017 - - 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 e208ad39-40ba-494f-b754-7ebe1e2488e0. 2026-09-14 21:05:35.086 10 ERROR nova.scheduler.utils [None req-0649c3f9-8375-4278-ae0a-cf5b9876b318 56aa879f9dd6489191d99fba180eef14 219f29b51147454aa87cf5392bd26542 - - default default] [instance: f0201fcc-c189-4a23-97b6-4ae365400e0d] 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 f0201fcc-c189-4a23-97b6-4ae365400e0d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-14 21:05:35.091 10 WARNING nova.scheduler.utils [None req-0649c3f9-8375-4278-ae0a-cf5b9876b318 56aa879f9dd6489191d99fba180eef14 219f29b51147454aa87cf5392bd26542 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f0201fcc-c189-4a23-97b6-4ae365400e0d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f0201fcc-c189-4a23-97b6-4ae365400e0d. 2026-09-14 21:05:35.092 10 WARNING nova.scheduler.utils [None req-0649c3f9-8375-4278-ae0a-cf5b9876b318 56aa879f9dd6489191d99fba180eef14 219f29b51147454aa87cf5392bd26542 - - default default] [instance: f0201fcc-c189-4a23-97b6-4ae365400e0d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f0201fcc-c189-4a23-97b6-4ae365400e0d. 2026-09-14 21:05:35.316 10 WARNING neutronclient.v2_0.client [None req-0649c3f9-8375-4278-ae0a-cf5b9876b318 56aa879f9dd6489191d99fba180eef14 219f29b51147454aa87cf5392bd26542 - - 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 f0201fcc-c189-4a23-97b6-4ae365400e0d. 2026-09-14 21:05:35.336 10 WARNING neutronclient.v2_0.client [None req-0649c3f9-8375-4278-ae0a-cf5b9876b318 56aa879f9dd6489191d99fba180eef14 219f29b51147454aa87cf5392bd26542 - - 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 f0201fcc-c189-4a23-97b6-4ae365400e0d. 2026-09-14 21:05:45.048 12 ERROR nova.scheduler.utils [None req-1c9340e9-5b6b-4fda-a590-89fdcec635d9 e35d0a1dd6f945e0bc20c458f44e0ba4 44ae97690724421ead446e657159c724 - - default default] [instance: 0922f930-3d9f-4d49-be6b-5b595ce4ab1f] 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 0922f930-3d9f-4d49-be6b-5b595ce4ab1f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-14 21:05:45.049 12 WARNING nova.scheduler.utils [None req-1c9340e9-5b6b-4fda-a590-89fdcec635d9 e35d0a1dd6f945e0bc20c458f44e0ba4 44ae97690724421ead446e657159c724 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0922f930-3d9f-4d49-be6b-5b595ce4ab1f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0922f930-3d9f-4d49-be6b-5b595ce4ab1f. 2026-09-14 21:05:45.049 12 WARNING nova.scheduler.utils [None req-1c9340e9-5b6b-4fda-a590-89fdcec635d9 e35d0a1dd6f945e0bc20c458f44e0ba4 44ae97690724421ead446e657159c724 - - default default] [instance: 0922f930-3d9f-4d49-be6b-5b595ce4ab1f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0922f930-3d9f-4d49-be6b-5b595ce4ab1f. 2026-09-14 21:05:45.088 12 WARNING neutronclient.v2_0.client [None req-1c9340e9-5b6b-4fda-a590-89fdcec635d9 e35d0a1dd6f945e0bc20c458f44e0ba4 44ae97690724421ead446e657159c724 - - 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 0922f930-3d9f-4d49-be6b-5b595ce4ab1f. 2026-09-14 21:05:45.121 12 WARNING neutronclient.v2_0.client [None req-1c9340e9-5b6b-4fda-a590-89fdcec635d9 e35d0a1dd6f945e0bc20c458f44e0ba4 44ae97690724421ead446e657159c724 - - 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 0922f930-3d9f-4d49-be6b-5b595ce4ab1f. 2026-09-14 21:06:01.136 10 ERROR nova.scheduler.utils [None req-7db28de2-7873-42d5-8467-3311a1c07a38 649fdea84f17483b921875be03fcb060 a186de8db67e4aceb5ad32213a912560 - - default default] [instance: c89a0fe8-9a64-4edc-8eb7-68f8127b2c1a] 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 c89a0fe8-9a64-4edc-8eb7-68f8127b2c1a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-14 21:06:01.137 10 WARNING nova.scheduler.utils [None req-7db28de2-7873-42d5-8467-3311a1c07a38 649fdea84f17483b921875be03fcb060 a186de8db67e4aceb5ad32213a912560 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c89a0fe8-9a64-4edc-8eb7-68f8127b2c1a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c89a0fe8-9a64-4edc-8eb7-68f8127b2c1a. 2026-09-14 21:06:01.137 10 WARNING nova.scheduler.utils [None req-7db28de2-7873-42d5-8467-3311a1c07a38 649fdea84f17483b921875be03fcb060 a186de8db67e4aceb5ad32213a912560 - - default default] [instance: c89a0fe8-9a64-4edc-8eb7-68f8127b2c1a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c89a0fe8-9a64-4edc-8eb7-68f8127b2c1a. 2026-09-14 21:06:01.355 10 WARNING neutronclient.v2_0.client [None req-7db28de2-7873-42d5-8467-3311a1c07a38 649fdea84f17483b921875be03fcb060 a186de8db67e4aceb5ad32213a912560 - - 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 c89a0fe8-9a64-4edc-8eb7-68f8127b2c1a. 2026-09-14 21:06:01.377 10 WARNING neutronclient.v2_0.client [None req-7db28de2-7873-42d5-8467-3311a1c07a38 649fdea84f17483b921875be03fcb060 a186de8db67e4aceb5ad32213a912560 - - 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 c89a0fe8-9a64-4edc-8eb7-68f8127b2c1a. 2026-09-14 21:06:18.896 10 ERROR nova.scheduler.utils [None req-34a3e5a3-e019-4e38-b959-bcde2fa16636 02ad5708f2c94ebbbb3c62653cc889c8 92d489d6ebfb45f4bffa892e0ef63232 - - default default] [instance: da4a854b-19b4-466d-a106-5ceeb91a2d69] 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 da4a854b-19b4-466d-a106-5ceeb91a2d69 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-14 21:06:18.897 10 WARNING nova.scheduler.utils [None req-34a3e5a3-e019-4e38-b959-bcde2fa16636 02ad5708f2c94ebbbb3c62653cc889c8 92d489d6ebfb45f4bffa892e0ef63232 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da4a854b-19b4-466d-a106-5ceeb91a2d69.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da4a854b-19b4-466d-a106-5ceeb91a2d69. 2026-09-14 21:06:18.898 10 WARNING nova.scheduler.utils [None req-34a3e5a3-e019-4e38-b959-bcde2fa16636 02ad5708f2c94ebbbb3c62653cc889c8 92d489d6ebfb45f4bffa892e0ef63232 - - default default] [instance: da4a854b-19b4-466d-a106-5ceeb91a2d69] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da4a854b-19b4-466d-a106-5ceeb91a2d69. 2026-09-14 21:06:18.954 10 WARNING neutronclient.v2_0.client [None req-34a3e5a3-e019-4e38-b959-bcde2fa16636 02ad5708f2c94ebbbb3c62653cc889c8 92d489d6ebfb45f4bffa892e0ef63232 - - 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 da4a854b-19b4-466d-a106-5ceeb91a2d69. 2026-09-14 21:06:18.981 10 WARNING neutronclient.v2_0.client [None req-34a3e5a3-e019-4e38-b959-bcde2fa16636 02ad5708f2c94ebbbb3c62653cc889c8 92d489d6ebfb45f4bffa892e0ef63232 - - 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 da4a854b-19b4-466d-a106-5ceeb91a2d69.