+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-15 05:29:22.150 1 INFO nova.utils [None req-635c5346-0dc5-431b-a062-391d36c40651 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-15 05:29:22.318 1 INFO nova.utils [None req-635c5346-0dc5-431b-a062-391d36c40651 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-15 05:29:23.318 1 INFO nova.utils [None req-635c5346-0dc5-431b-a062-391d36c40651 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-15 05:29:23.321 1 WARNING oslo_service.backend._threading.service [None req-635c5346-0dc5-431b-a062-391d36c40651 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-15 05:29:23.338 1 WARNING oslo_config.cfg [None req-635c5346-0dc5-431b-a062-391d36c40651 - - - - - -] 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.
2026-07-15 05:29:23.387 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-15 05:29:23.403 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-15 06:06:42.898 10 INFO nova.utils [None req-15d8c624-845e-4115-b3b3-d41910ca6708 2c875d1b012b480c905ceb2163e65e07 72115b74dc48403281c5dc9fb11f9bf5 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-15 06:06:43.042 10 INFO nova.compute.rpcapi [None req-f671f39b-a55f-4554-8f16-2fae292ae694 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-15 06:06:52.404 12 INFO nova.utils [None req-3f374953-fcf6-44d8-a1ba-28ea844e444b 22e6d565d9fe4140b993f36870275b70 aa7d02567a164541aa162c68c70ec9fc - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-15 06:06:52.547 12 INFO nova.compute.rpcapi [None req-f8947bdf-3205-4a6b-8a9b-8ce37b39dc4a - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-15 06:07:00.933 10 ERROR nova.scheduler.utils [None req-15d8c624-845e-4115-b3b3-d41910ca6708 2c875d1b012b480c905ceb2163e65e07 72115b74dc48403281c5dc9fb11f9bf5 - - default default] [instance: 11f81beb-08a8-4e62-9719-c318c2c17cb5] 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 11f81beb-08a8-4e62-9719-c318c2c17cb5 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 06:07:00.934 10 WARNING nova.scheduler.utils [None req-15d8c624-845e-4115-b3b3-d41910ca6708 2c875d1b012b480c905ceb2163e65e07 72115b74dc48403281c5dc9fb11f9bf5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 11f81beb-08a8-4e62-9719-c318c2c17cb5.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 11f81beb-08a8-4e62-9719-c318c2c17cb5.
2026-07-15 06:07:00.934 10 WARNING nova.scheduler.utils [None req-15d8c624-845e-4115-b3b3-d41910ca6708 2c875d1b012b480c905ceb2163e65e07 72115b74dc48403281c5dc9fb11f9bf5 - - default default] [instance: 11f81beb-08a8-4e62-9719-c318c2c17cb5] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 11f81beb-08a8-4e62-9719-c318c2c17cb5.
2026-07-15 06:07:01.015 10 WARNING neutronclient.v2_0.client [None req-15d8c624-845e-4115-b3b3-d41910ca6708 2c875d1b012b480c905ceb2163e65e07 72115b74dc48403281c5dc9fb11f9bf5 - - 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 11f81beb-08a8-4e62-9719-c318c2c17cb5.
2026-07-15 06:07:01.501 10 WARNING neutronclient.v2_0.client [None req-15d8c624-845e-4115-b3b3-d41910ca6708 2c875d1b012b480c905ceb2163e65e07 72115b74dc48403281c5dc9fb11f9bf5 - - 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 11f81beb-08a8-4e62-9719-c318c2c17cb5.
2026-07-15 06:07:07.336 10 ERROR nova.scheduler.utils [None req-3f374953-fcf6-44d8-a1ba-28ea844e444b 22e6d565d9fe4140b993f36870275b70 aa7d02567a164541aa162c68c70ec9fc - - default default] [instance: d249bcbd-7c2e-4c9b-8f4d-9371c2cb99a7] 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 d249bcbd-7c2e-4c9b-8f4d-9371c2cb99a7 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 06:07:07.338 10 WARNING nova.scheduler.utils [None req-3f374953-fcf6-44d8-a1ba-28ea844e444b 22e6d565d9fe4140b993f36870275b70 aa7d02567a164541aa162c68c70ec9fc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d249bcbd-7c2e-4c9b-8f4d-9371c2cb99a7.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d249bcbd-7c2e-4c9b-8f4d-9371c2cb99a7.
2026-07-15 06:07:07.338 10 WARNING nova.scheduler.utils [None req-3f374953-fcf6-44d8-a1ba-28ea844e444b 22e6d565d9fe4140b993f36870275b70 aa7d02567a164541aa162c68c70ec9fc - - default default] [instance: d249bcbd-7c2e-4c9b-8f4d-9371c2cb99a7] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d249bcbd-7c2e-4c9b-8f4d-9371c2cb99a7.
2026-07-15 06:07:07.392 10 WARNING neutronclient.v2_0.client [None req-3f374953-fcf6-44d8-a1ba-28ea844e444b 22e6d565d9fe4140b993f36870275b70 aa7d02567a164541aa162c68c70ec9fc - - 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 d249bcbd-7c2e-4c9b-8f4d-9371c2cb99a7.
2026-07-15 06:07:07.495 10 WARNING neutronclient.v2_0.client [None req-3f374953-fcf6-44d8-a1ba-28ea844e444b 22e6d565d9fe4140b993f36870275b70 aa7d02567a164541aa162c68c70ec9fc - - 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 d249bcbd-7c2e-4c9b-8f4d-9371c2cb99a7.
2026-07-15 06:07:37.638 12 ERROR nova.scheduler.utils [None req-f89cdc33-2e27-4faa-87a5-9a59e729d0ca 46e10f0c3d8d42a8ac18d21e4eec3b16 b041adb8f6ac4e6488a610ed91b37d2b - - default default] [instance: 11a251b5-7a15-4a0d-81e1-b8e05553a1c9] 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 11a251b5-7a15-4a0d-81e1-b8e05553a1c9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 06:07:37.639 12 WARNING nova.scheduler.utils [None req-f89cdc33-2e27-4faa-87a5-9a59e729d0ca 46e10f0c3d8d42a8ac18d21e4eec3b16 b041adb8f6ac4e6488a610ed91b37d2b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 11a251b5-7a15-4a0d-81e1-b8e05553a1c9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 11a251b5-7a15-4a0d-81e1-b8e05553a1c9.
2026-07-15 06:07:37.640 12 WARNING nova.scheduler.utils [None req-f89cdc33-2e27-4faa-87a5-9a59e729d0ca 46e10f0c3d8d42a8ac18d21e4eec3b16 b041adb8f6ac4e6488a610ed91b37d2b - - default default] [instance: 11a251b5-7a15-4a0d-81e1-b8e05553a1c9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 11a251b5-7a15-4a0d-81e1-b8e05553a1c9.
2026-07-15 06:07:37.719 12 WARNING neutronclient.v2_0.client [None req-f89cdc33-2e27-4faa-87a5-9a59e729d0ca 46e10f0c3d8d42a8ac18d21e4eec3b16 b041adb8f6ac4e6488a610ed91b37d2b - - 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 11a251b5-7a15-4a0d-81e1-b8e05553a1c9.
2026-07-15 06:07:38.336 12 WARNING neutronclient.v2_0.client [None req-f89cdc33-2e27-4faa-87a5-9a59e729d0ca 46e10f0c3d8d42a8ac18d21e4eec3b16 b041adb8f6ac4e6488a610ed91b37d2b - - 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 11a251b5-7a15-4a0d-81e1-b8e05553a1c9.
2026-07-15 06:07:44.263 12 ERROR nova.scheduler.utils [None req-8767a5d5-f6b3-4308-86ab-82dbe72fc7d5 02e9cffd39014319a0897c13b4063fa8 c18e2ce1ec6d40a68799e4522d8ef6c4 - - default default] [instance: 55c6949e-7dcb-477a-b6d4-7f4d4593e85b] 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 55c6949e-7dcb-477a-b6d4-7f4d4593e85b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 06:07:44.264 12 WARNING nova.scheduler.utils [None req-8767a5d5-f6b3-4308-86ab-82dbe72fc7d5 02e9cffd39014319a0897c13b4063fa8 c18e2ce1ec6d40a68799e4522d8ef6c4 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 55c6949e-7dcb-477a-b6d4-7f4d4593e85b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 55c6949e-7dcb-477a-b6d4-7f4d4593e85b.
2026-07-15 06:07:44.264 12 WARNING nova.scheduler.utils [None req-8767a5d5-f6b3-4308-86ab-82dbe72fc7d5 02e9cffd39014319a0897c13b4063fa8 c18e2ce1ec6d40a68799e4522d8ef6c4 - - default default] [instance: 55c6949e-7dcb-477a-b6d4-7f4d4593e85b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 55c6949e-7dcb-477a-b6d4-7f4d4593e85b.
2026-07-15 06:07:44.318 12 WARNING neutronclient.v2_0.client [None req-8767a5d5-f6b3-4308-86ab-82dbe72fc7d5 02e9cffd39014319a0897c13b4063fa8 c18e2ce1ec6d40a68799e4522d8ef6c4 - - 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 55c6949e-7dcb-477a-b6d4-7f4d4593e85b.
2026-07-15 06:07:44.348 12 WARNING neutronclient.v2_0.client [None req-8767a5d5-f6b3-4308-86ab-82dbe72fc7d5 02e9cffd39014319a0897c13b4063fa8 c18e2ce1ec6d40a68799e4522d8ef6c4 - - 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 55c6949e-7dcb-477a-b6d4-7f4d4593e85b.
2026-07-15 06:08:09.209 12 ERROR nova.scheduler.utils [None req-045523ad-2924-4599-b09e-9b5103de54b4 d72c2d5b028a4a06987d3642abccad94 1427599dfaee455fbc6d0612f1405be0 - - default default] [instance: e39af4ee-5339-48f5-a462-0a828e8bc8df] 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 e39af4ee-5339-48f5-a462-0a828e8bc8df was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 06:08:09.210 12 WARNING nova.scheduler.utils [None req-045523ad-2924-4599-b09e-9b5103de54b4 d72c2d5b028a4a06987d3642abccad94 1427599dfaee455fbc6d0612f1405be0 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e39af4ee-5339-48f5-a462-0a828e8bc8df.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e39af4ee-5339-48f5-a462-0a828e8bc8df.
2026-07-15 06:08:09.210 12 WARNING nova.scheduler.utils [None req-045523ad-2924-4599-b09e-9b5103de54b4 d72c2d5b028a4a06987d3642abccad94 1427599dfaee455fbc6d0612f1405be0 - - default default] [instance: e39af4ee-5339-48f5-a462-0a828e8bc8df] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e39af4ee-5339-48f5-a462-0a828e8bc8df.
2026-07-15 06:08:09.248 12 WARNING neutronclient.v2_0.client [None req-045523ad-2924-4599-b09e-9b5103de54b4 d72c2d5b028a4a06987d3642abccad94 1427599dfaee455fbc6d0612f1405be0 - - 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 e39af4ee-5339-48f5-a462-0a828e8bc8df.
2026-07-15 06:08:09.281 12 WARNING neutronclient.v2_0.client [None req-045523ad-2924-4599-b09e-9b5103de54b4 d72c2d5b028a4a06987d3642abccad94 1427599dfaee455fbc6d0612f1405be0 - - 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 e39af4ee-5339-48f5-a462-0a828e8bc8df.
2026-07-15 06:08:15.649 12 ERROR nova.scheduler.utils [None req-66907e24-c363-427d-bccc-e3ededce6ef4 263b988233db468da773cb4bc406a243 1b987f1771194b8a9a17b45d1192ee61 - - default default] [instance: 2cec1922-25e9-4c9d-a7cf-e8460d8ff6a1] 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 2cec1922-25e9-4c9d-a7cf-e8460d8ff6a1 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 06:08:15.650 12 WARNING nova.scheduler.utils [None req-66907e24-c363-427d-bccc-e3ededce6ef4 263b988233db468da773cb4bc406a243 1b987f1771194b8a9a17b45d1192ee61 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2cec1922-25e9-4c9d-a7cf-e8460d8ff6a1.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2cec1922-25e9-4c9d-a7cf-e8460d8ff6a1.
2026-07-15 06:08:15.650 12 WARNING nova.scheduler.utils [None req-66907e24-c363-427d-bccc-e3ededce6ef4 263b988233db468da773cb4bc406a243 1b987f1771194b8a9a17b45d1192ee61 - - default default] [instance: 2cec1922-25e9-4c9d-a7cf-e8460d8ff6a1] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2cec1922-25e9-4c9d-a7cf-e8460d8ff6a1.
2026-07-15 06:08:15.688 12 WARNING neutronclient.v2_0.client [None req-66907e24-c363-427d-bccc-e3ededce6ef4 263b988233db468da773cb4bc406a243 1b987f1771194b8a9a17b45d1192ee61 - - 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 2cec1922-25e9-4c9d-a7cf-e8460d8ff6a1.
2026-07-15 06:08:15.719 12 WARNING neutronclient.v2_0.client [None req-66907e24-c363-427d-bccc-e3ededce6ef4 263b988233db468da773cb4bc406a243 1b987f1771194b8a9a17b45d1192ee61 - - 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 2cec1922-25e9-4c9d-a7cf-e8460d8ff6a1.
2026-07-15 06:09:51.519 10 ERROR nova.scheduler.utils [None req-11601eae-3b17-440c-898f-48ef262cf672 b5f723dcaa494abb94fa3117937ee2df 4b5b7d2943584e99900c4b3dca14eb08 - - default default] [instance: 73334983-9d5c-4241-a87f-b2fe0dd0fe65] 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 73334983-9d5c-4241-a87f-b2fe0dd0fe65 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 06:09:51.520 10 WARNING nova.scheduler.utils [None req-11601eae-3b17-440c-898f-48ef262cf672 b5f723dcaa494abb94fa3117937ee2df 4b5b7d2943584e99900c4b3dca14eb08 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 73334983-9d5c-4241-a87f-b2fe0dd0fe65.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 73334983-9d5c-4241-a87f-b2fe0dd0fe65.
2026-07-15 06:09:51.520 10 WARNING nova.scheduler.utils [None req-11601eae-3b17-440c-898f-48ef262cf672 b5f723dcaa494abb94fa3117937ee2df 4b5b7d2943584e99900c4b3dca14eb08 - - default default] [instance: 73334983-9d5c-4241-a87f-b2fe0dd0fe65] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 73334983-9d5c-4241-a87f-b2fe0dd0fe65.
2026-07-15 06:09:51.577 10 WARNING neutronclient.v2_0.client [None req-11601eae-3b17-440c-898f-48ef262cf672 b5f723dcaa494abb94fa3117937ee2df 4b5b7d2943584e99900c4b3dca14eb08 - - 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 73334983-9d5c-4241-a87f-b2fe0dd0fe65.
2026-07-15 06:09:51.679 10 WARNING neutronclient.v2_0.client [None req-11601eae-3b17-440c-898f-48ef262cf672 b5f723dcaa494abb94fa3117937ee2df 4b5b7d2943584e99900c4b3dca14eb08 - - 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 73334983-9d5c-4241-a87f-b2fe0dd0fe65.
2026-07-15 06:10:14.535 10 ERROR nova.scheduler.utils [None req-71a78b29-b02d-4ad5-bc9e-2a2928be18b6 31a5c0b27f6e405e83bc10ae799a4726 275ce650000f49f5be3f01cf0f2eca3a - - default default] [instance: 18c09c68-399b-4416-8719-320537595b74] 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 18c09c68-399b-4416-8719-320537595b74 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 06:10:14.537 10 WARNING nova.scheduler.utils [None req-71a78b29-b02d-4ad5-bc9e-2a2928be18b6 31a5c0b27f6e405e83bc10ae799a4726 275ce650000f49f5be3f01cf0f2eca3a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 18c09c68-399b-4416-8719-320537595b74.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 18c09c68-399b-4416-8719-320537595b74.
2026-07-15 06:10:14.537 10 WARNING nova.scheduler.utils [None req-71a78b29-b02d-4ad5-bc9e-2a2928be18b6 31a5c0b27f6e405e83bc10ae799a4726 275ce650000f49f5be3f01cf0f2eca3a - - default default] [instance: 18c09c68-399b-4416-8719-320537595b74] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 18c09c68-399b-4416-8719-320537595b74.
2026-07-15 06:10:14.583 10 WARNING neutronclient.v2_0.client [None req-71a78b29-b02d-4ad5-bc9e-2a2928be18b6 31a5c0b27f6e405e83bc10ae799a4726 275ce650000f49f5be3f01cf0f2eca3a - - 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 18c09c68-399b-4416-8719-320537595b74.
2026-07-15 06:10:14.945 10 WARNING neutronclient.v2_0.client [None req-71a78b29-b02d-4ad5-bc9e-2a2928be18b6 31a5c0b27f6e405e83bc10ae799a4726 275ce650000f49f5be3f01cf0f2eca3a - - 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 18c09c68-399b-4416-8719-320537595b74.
2026-07-15 06:10:36.282 10 ERROR nova.scheduler.utils [None req-c7dbc53c-a5d8-4de3-b32e-c3d6cba7d2e4 a07f8d3b2ab845228b1fd9a6e57e5e2d 1d62bc65bbd743f78ecf7a66f22a1e76 - - default default] [instance: 80e4a7e8-592f-44fe-b803-7281bc4c7024] 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 80e4a7e8-592f-44fe-b803-7281bc4c7024 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 06:10:36.283 10 WARNING nova.scheduler.utils [None req-c7dbc53c-a5d8-4de3-b32e-c3d6cba7d2e4 a07f8d3b2ab845228b1fd9a6e57e5e2d 1d62bc65bbd743f78ecf7a66f22a1e76 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 80e4a7e8-592f-44fe-b803-7281bc4c7024.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 80e4a7e8-592f-44fe-b803-7281bc4c7024.
2026-07-15 06:10:36.283 10 WARNING nova.scheduler.utils [None req-c7dbc53c-a5d8-4de3-b32e-c3d6cba7d2e4 a07f8d3b2ab845228b1fd9a6e57e5e2d 1d62bc65bbd743f78ecf7a66f22a1e76 - - default default] [instance: 80e4a7e8-592f-44fe-b803-7281bc4c7024] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 80e4a7e8-592f-44fe-b803-7281bc4c7024.
2026-07-15 06:10:36.322 10 WARNING neutronclient.v2_0.client [None req-c7dbc53c-a5d8-4de3-b32e-c3d6cba7d2e4 a07f8d3b2ab845228b1fd9a6e57e5e2d 1d62bc65bbd743f78ecf7a66f22a1e76 - - 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 80e4a7e8-592f-44fe-b803-7281bc4c7024.
2026-07-15 06:10:36.783 10 WARNING neutronclient.v2_0.client [None req-c7dbc53c-a5d8-4de3-b32e-c3d6cba7d2e4 a07f8d3b2ab845228b1fd9a6e57e5e2d 1d62bc65bbd743f78ecf7a66f22a1e76 - - 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 80e4a7e8-592f-44fe-b803-7281bc4c7024.
2026-07-15 06:10:47.495 10 ERROR nova.scheduler.utils [None req-ce58620e-d5c1-4ca8-8f6e-faad79bda820 2f90ecbd489d46a78e436e17067bae07 74019ebf85a4429bba41cf659127c173 - - default default] [instance: 50c8ec86-44ad-48e1-b7b8-41c547f85776] 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 50c8ec86-44ad-48e1-b7b8-41c547f85776 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 06:10:47.496 10 WARNING nova.scheduler.utils [None req-ce58620e-d5c1-4ca8-8f6e-faad79bda820 2f90ecbd489d46a78e436e17067bae07 74019ebf85a4429bba41cf659127c173 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 50c8ec86-44ad-48e1-b7b8-41c547f85776.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 50c8ec86-44ad-48e1-b7b8-41c547f85776.
2026-07-15 06:10:47.496 10 WARNING nova.scheduler.utils [None req-ce58620e-d5c1-4ca8-8f6e-faad79bda820 2f90ecbd489d46a78e436e17067bae07 74019ebf85a4429bba41cf659127c173 - - default default] [instance: 50c8ec86-44ad-48e1-b7b8-41c547f85776] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 50c8ec86-44ad-48e1-b7b8-41c547f85776.
2026-07-15 06:10:47.543 10 WARNING neutronclient.v2_0.client [None req-ce58620e-d5c1-4ca8-8f6e-faad79bda820 2f90ecbd489d46a78e436e17067bae07 74019ebf85a4429bba41cf659127c173 - - 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 50c8ec86-44ad-48e1-b7b8-41c547f85776.
2026-07-15 06:10:47.570 10 WARNING neutronclient.v2_0.client [None req-ce58620e-d5c1-4ca8-8f6e-faad79bda820 2f90ecbd489d46a78e436e17067bae07 74019ebf85a4429bba41cf659127c173 - - 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 50c8ec86-44ad-48e1-b7b8-41c547f85776.