+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-15 03:51:40.613 1 INFO nova.utils [None req-d9c3358b-b1fa-4d2b-996c-2c1b25034258 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-15 03:51:40.780 1 INFO nova.utils [None req-d9c3358b-b1fa-4d2b-996c-2c1b25034258 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-15 03:51:41.780 1 INFO nova.utils [None req-d9c3358b-b1fa-4d2b-996c-2c1b25034258 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-15 03:51:41.782 1 WARNING oslo_service.backend._threading.service [None req-d9c3358b-b1fa-4d2b-996c-2c1b25034258 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-15 03:51:41.792 1 WARNING oslo_config.cfg [None req-d9c3358b-b1fa-4d2b-996c-2c1b25034258 - - - - - -] 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 03:51:41.832 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-15 03:51:41.846 13 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-15 04:30:15.182 13 INFO nova.utils [None req-f0f76cb4-5b4d-4988-9653-8e7276fee6c8 1923489cc4cc48e790f5c0eca768b7be f82d9be3238f44ce819cf095c299350d - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-15 04:30:15.327 13 INFO nova.compute.rpcapi [None req-c18262ac-a2aa-484a-84a9-d27b5e751f21 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-15 04:30:33.518 10 INFO nova.utils [None req-6659737b-b381-4e6f-8614-31ccceba4b25 27a1920f60ab45b180d113d029ada2a9 d7767683c34e475e9d330d9bb62c7f2f - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-15 04:30:33.706 10 INFO nova.compute.rpcapi [None req-cb0a980c-ebfc-4d6b-b02b-3bb08a3a6bc1 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-15 04:30:36.944 10 ERROR nova.scheduler.utils [None req-f0f76cb4-5b4d-4988-9653-8e7276fee6c8 1923489cc4cc48e790f5c0eca768b7be f82d9be3238f44ce819cf095c299350d - - default default] [instance: 1902f9be-eadd-41bd-8e8b-eef9faa6a161] 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 1902f9be-eadd-41bd-8e8b-eef9faa6a161 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:30:36.945 10 WARNING nova.scheduler.utils [None req-f0f76cb4-5b4d-4988-9653-8e7276fee6c8 1923489cc4cc48e790f5c0eca768b7be f82d9be3238f44ce819cf095c299350d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1902f9be-eadd-41bd-8e8b-eef9faa6a161.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1902f9be-eadd-41bd-8e8b-eef9faa6a161.
2026-07-15 04:30:36.945 10 WARNING nova.scheduler.utils [None req-f0f76cb4-5b4d-4988-9653-8e7276fee6c8 1923489cc4cc48e790f5c0eca768b7be f82d9be3238f44ce819cf095c299350d - - default default] [instance: 1902f9be-eadd-41bd-8e8b-eef9faa6a161] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1902f9be-eadd-41bd-8e8b-eef9faa6a161.
2026-07-15 04:30:37.052 10 WARNING neutronclient.v2_0.client [None req-f0f76cb4-5b4d-4988-9653-8e7276fee6c8 1923489cc4cc48e790f5c0eca768b7be f82d9be3238f44ce819cf095c299350d - - 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 1902f9be-eadd-41bd-8e8b-eef9faa6a161.
2026-07-15 04:30:37.440 10 WARNING neutronclient.v2_0.client [None req-f0f76cb4-5b4d-4988-9653-8e7276fee6c8 1923489cc4cc48e790f5c0eca768b7be f82d9be3238f44ce819cf095c299350d - - 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 1902f9be-eadd-41bd-8e8b-eef9faa6a161.
2026-07-15 04:30:38.477 13 ERROR nova.scheduler.utils [None req-c62ec6e0-81eb-45bd-b361-d65f31efcebd f93535829d124cb59b716d6e5e0d3e2d 2bac6200d92e4e5c97ccfe66d4170137 - - default default] [instance: 8acd6312-3d1a-402a-a876-39dc988060ea] 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 8acd6312-3d1a-402a-a876-39dc988060ea was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:30:38.479 13 WARNING nova.scheduler.utils [None req-c62ec6e0-81eb-45bd-b361-d65f31efcebd f93535829d124cb59b716d6e5e0d3e2d 2bac6200d92e4e5c97ccfe66d4170137 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8acd6312-3d1a-402a-a876-39dc988060ea.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8acd6312-3d1a-402a-a876-39dc988060ea.
2026-07-15 04:30:38.479 13 WARNING nova.scheduler.utils [None req-c62ec6e0-81eb-45bd-b361-d65f31efcebd f93535829d124cb59b716d6e5e0d3e2d 2bac6200d92e4e5c97ccfe66d4170137 - - default default] [instance: 8acd6312-3d1a-402a-a876-39dc988060ea] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8acd6312-3d1a-402a-a876-39dc988060ea.
2026-07-15 04:30:38.660 13 WARNING neutronclient.v2_0.client [None req-c62ec6e0-81eb-45bd-b361-d65f31efcebd f93535829d124cb59b716d6e5e0d3e2d 2bac6200d92e4e5c97ccfe66d4170137 - - 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 8acd6312-3d1a-402a-a876-39dc988060ea.
2026-07-15 04:30:39.216 13 WARNING neutronclient.v2_0.client [None req-c62ec6e0-81eb-45bd-b361-d65f31efcebd f93535829d124cb59b716d6e5e0d3e2d 2bac6200d92e4e5c97ccfe66d4170137 - - 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 8acd6312-3d1a-402a-a876-39dc988060ea.
2026-07-15 04:30:50.205 10 ERROR nova.scheduler.utils [None req-6659737b-b381-4e6f-8614-31ccceba4b25 27a1920f60ab45b180d113d029ada2a9 d7767683c34e475e9d330d9bb62c7f2f - - default default] [instance: 5f6f67e7-1e0e-4726-9a7e-dc2ae6b669a4] 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 5f6f67e7-1e0e-4726-9a7e-dc2ae6b669a4 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:30:50.207 10 WARNING nova.scheduler.utils [None req-6659737b-b381-4e6f-8614-31ccceba4b25 27a1920f60ab45b180d113d029ada2a9 d7767683c34e475e9d330d9bb62c7f2f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5f6f67e7-1e0e-4726-9a7e-dc2ae6b669a4.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5f6f67e7-1e0e-4726-9a7e-dc2ae6b669a4.
2026-07-15 04:30:50.207 10 WARNING nova.scheduler.utils [None req-6659737b-b381-4e6f-8614-31ccceba4b25 27a1920f60ab45b180d113d029ada2a9 d7767683c34e475e9d330d9bb62c7f2f - - default default] [instance: 5f6f67e7-1e0e-4726-9a7e-dc2ae6b669a4] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5f6f67e7-1e0e-4726-9a7e-dc2ae6b669a4.
2026-07-15 04:30:50.251 10 WARNING neutronclient.v2_0.client [None req-6659737b-b381-4e6f-8614-31ccceba4b25 27a1920f60ab45b180d113d029ada2a9 d7767683c34e475e9d330d9bb62c7f2f - - 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 5f6f67e7-1e0e-4726-9a7e-dc2ae6b669a4.
2026-07-15 04:30:50.277 10 WARNING neutronclient.v2_0.client [None req-6659737b-b381-4e6f-8614-31ccceba4b25 27a1920f60ab45b180d113d029ada2a9 d7767683c34e475e9d330d9bb62c7f2f - - 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 5f6f67e7-1e0e-4726-9a7e-dc2ae6b669a4.
2026-07-15 04:30:55.749 10 ERROR nova.scheduler.utils [None req-54058078-f180-4b0d-9cb9-fea01e091ed3 e28a2df47a494f18939d7bfe7e69789e 8a758f9c31ad4468a8301c95528e8d5d - - default default] [instance: 31abd25f-fbe7-4447-a3f4-7c5361bb76f8] 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 31abd25f-fbe7-4447-a3f4-7c5361bb76f8 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:30:55.750 10 WARNING nova.scheduler.utils [None req-54058078-f180-4b0d-9cb9-fea01e091ed3 e28a2df47a494f18939d7bfe7e69789e 8a758f9c31ad4468a8301c95528e8d5d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 31abd25f-fbe7-4447-a3f4-7c5361bb76f8.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 31abd25f-fbe7-4447-a3f4-7c5361bb76f8.
2026-07-15 04:30:55.750 10 WARNING nova.scheduler.utils [None req-54058078-f180-4b0d-9cb9-fea01e091ed3 e28a2df47a494f18939d7bfe7e69789e 8a758f9c31ad4468a8301c95528e8d5d - - default default] [instance: 31abd25f-fbe7-4447-a3f4-7c5361bb76f8] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 31abd25f-fbe7-4447-a3f4-7c5361bb76f8.
2026-07-15 04:30:55.798 10 WARNING neutronclient.v2_0.client [None req-54058078-f180-4b0d-9cb9-fea01e091ed3 e28a2df47a494f18939d7bfe7e69789e 8a758f9c31ad4468a8301c95528e8d5d - - 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 31abd25f-fbe7-4447-a3f4-7c5361bb76f8.
2026-07-15 04:30:55.830 10 WARNING neutronclient.v2_0.client [None req-54058078-f180-4b0d-9cb9-fea01e091ed3 e28a2df47a494f18939d7bfe7e69789e 8a758f9c31ad4468a8301c95528e8d5d - - 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 31abd25f-fbe7-4447-a3f4-7c5361bb76f8.
2026-07-15 04:31:21.604 10 ERROR nova.scheduler.utils [None req-ee454566-56db-4d36-8806-27aef5027b3e d28c73974250429ba3c82273aae34885 ed03f184400049b79bb9ff2f38f4ae98 - - default default] [instance: 963d28d5-0c45-4624-a12d-62af513b71dc] 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 963d28d5-0c45-4624-a12d-62af513b71dc was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:31:21.604 10 WARNING nova.scheduler.utils [None req-ee454566-56db-4d36-8806-27aef5027b3e d28c73974250429ba3c82273aae34885 ed03f184400049b79bb9ff2f38f4ae98 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 963d28d5-0c45-4624-a12d-62af513b71dc.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 963d28d5-0c45-4624-a12d-62af513b71dc.
2026-07-15 04:31:21.605 10 WARNING nova.scheduler.utils [None req-ee454566-56db-4d36-8806-27aef5027b3e d28c73974250429ba3c82273aae34885 ed03f184400049b79bb9ff2f38f4ae98 - - default default] [instance: 963d28d5-0c45-4624-a12d-62af513b71dc] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 963d28d5-0c45-4624-a12d-62af513b71dc.
2026-07-15 04:31:21.664 10 WARNING neutronclient.v2_0.client [None req-ee454566-56db-4d36-8806-27aef5027b3e d28c73974250429ba3c82273aae34885 ed03f184400049b79bb9ff2f38f4ae98 - - 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 963d28d5-0c45-4624-a12d-62af513b71dc.
2026-07-15 04:31:21.691 10 WARNING neutronclient.v2_0.client [None req-ee454566-56db-4d36-8806-27aef5027b3e d28c73974250429ba3c82273aae34885 ed03f184400049b79bb9ff2f38f4ae98 - - 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 963d28d5-0c45-4624-a12d-62af513b71dc.
2026-07-15 04:31:28.218 10 ERROR nova.scheduler.utils [None req-6ab2f129-3a01-4cac-97b9-803e9ddcdb98 5993769f0b274bdc8cb42e47bfdeab82 73133a7a7d184ff4a4cdf671380bc796 - - default default] [instance: 0c180039-b632-4eed-9b29-d89f8e2b9bdd] 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 0c180039-b632-4eed-9b29-d89f8e2b9bdd was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:31:28.223 10 WARNING nova.scheduler.utils [None req-6ab2f129-3a01-4cac-97b9-803e9ddcdb98 5993769f0b274bdc8cb42e47bfdeab82 73133a7a7d184ff4a4cdf671380bc796 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0c180039-b632-4eed-9b29-d89f8e2b9bdd.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0c180039-b632-4eed-9b29-d89f8e2b9bdd.
2026-07-15 04:31:28.223 10 WARNING nova.scheduler.utils [None req-6ab2f129-3a01-4cac-97b9-803e9ddcdb98 5993769f0b274bdc8cb42e47bfdeab82 73133a7a7d184ff4a4cdf671380bc796 - - default default] [instance: 0c180039-b632-4eed-9b29-d89f8e2b9bdd] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0c180039-b632-4eed-9b29-d89f8e2b9bdd.
2026-07-15 04:31:28.289 10 WARNING neutronclient.v2_0.client [None req-6ab2f129-3a01-4cac-97b9-803e9ddcdb98 5993769f0b274bdc8cb42e47bfdeab82 73133a7a7d184ff4a4cdf671380bc796 - - 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 0c180039-b632-4eed-9b29-d89f8e2b9bdd.
2026-07-15 04:31:28.473 10 WARNING neutronclient.v2_0.client [None req-6ab2f129-3a01-4cac-97b9-803e9ddcdb98 5993769f0b274bdc8cb42e47bfdeab82 73133a7a7d184ff4a4cdf671380bc796 - - 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 0c180039-b632-4eed-9b29-d89f8e2b9bdd.
2026-07-15 04:32:39.010 10 ERROR nova.scheduler.utils [None req-18a250fd-8217-40c3-9faf-89c114293b99 8d4a7269d6014beeb50a5d70ba1f5b53 3d4e26e8bdda479cb97dfc498caf5a96 - - default default] [instance: ab9a64b7-ec7d-4ba7-b7f6-28400500cf2c] 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 ab9a64b7-ec7d-4ba7-b7f6-28400500cf2c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:32:39.010 10 WARNING nova.scheduler.utils [None req-18a250fd-8217-40c3-9faf-89c114293b99 8d4a7269d6014beeb50a5d70ba1f5b53 3d4e26e8bdda479cb97dfc498caf5a96 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ab9a64b7-ec7d-4ba7-b7f6-28400500cf2c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ab9a64b7-ec7d-4ba7-b7f6-28400500cf2c.
2026-07-15 04:32:39.011 10 WARNING nova.scheduler.utils [None req-18a250fd-8217-40c3-9faf-89c114293b99 8d4a7269d6014beeb50a5d70ba1f5b53 3d4e26e8bdda479cb97dfc498caf5a96 - - default default] [instance: ab9a64b7-ec7d-4ba7-b7f6-28400500cf2c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ab9a64b7-ec7d-4ba7-b7f6-28400500cf2c.
2026-07-15 04:32:39.069 10 WARNING neutronclient.v2_0.client [None req-18a250fd-8217-40c3-9faf-89c114293b99 8d4a7269d6014beeb50a5d70ba1f5b53 3d4e26e8bdda479cb97dfc498caf5a96 - - 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 ab9a64b7-ec7d-4ba7-b7f6-28400500cf2c.
2026-07-15 04:32:39.101 10 WARNING neutronclient.v2_0.client [None req-18a250fd-8217-40c3-9faf-89c114293b99 8d4a7269d6014beeb50a5d70ba1f5b53 3d4e26e8bdda479cb97dfc498caf5a96 - - 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 ab9a64b7-ec7d-4ba7-b7f6-28400500cf2c.
2026-07-15 04:32:45.598 13 ERROR nova.scheduler.utils [None req-27e4eea3-27a0-4199-84c5-0a6764f84bed 1868136618c1492980c5d6faa95442a1 374718e5b6184b5d9efdea1f519c866f - - default default] [instance: b7ce1312-2c9e-4a1d-94bb-3477b91da2df] 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 b7ce1312-2c9e-4a1d-94bb-3477b91da2df was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:32:45.599 13 WARNING nova.scheduler.utils [None req-27e4eea3-27a0-4199-84c5-0a6764f84bed 1868136618c1492980c5d6faa95442a1 374718e5b6184b5d9efdea1f519c866f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b7ce1312-2c9e-4a1d-94bb-3477b91da2df.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b7ce1312-2c9e-4a1d-94bb-3477b91da2df.
2026-07-15 04:32:45.599 13 WARNING nova.scheduler.utils [None req-27e4eea3-27a0-4199-84c5-0a6764f84bed 1868136618c1492980c5d6faa95442a1 374718e5b6184b5d9efdea1f519c866f - - default default] [instance: b7ce1312-2c9e-4a1d-94bb-3477b91da2df] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b7ce1312-2c9e-4a1d-94bb-3477b91da2df.
2026-07-15 04:32:45.676 13 WARNING neutronclient.v2_0.client [None req-27e4eea3-27a0-4199-84c5-0a6764f84bed 1868136618c1492980c5d6faa95442a1 374718e5b6184b5d9efdea1f519c866f - - 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 b7ce1312-2c9e-4a1d-94bb-3477b91da2df.
2026-07-15 04:32:45.839 13 WARNING neutronclient.v2_0.client [None req-27e4eea3-27a0-4199-84c5-0a6764f84bed 1868136618c1492980c5d6faa95442a1 374718e5b6184b5d9efdea1f519c866f - - 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 b7ce1312-2c9e-4a1d-94bb-3477b91da2df.
2026-07-15 04:33:12.638 10 ERROR nova.scheduler.utils [None req-b919e3d4-aa82-4ab3-982d-982472030171 50bd3701294c42c1b02c760173e9eb3c 7eaca578cee04351918f363003f9160c - - default default] [instance: 27b49fa3-ec02-40b2-99c9-9f2d5591feff] 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 27b49fa3-ec02-40b2-99c9-9f2d5591feff was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:33:12.638 10 WARNING nova.scheduler.utils [None req-b919e3d4-aa82-4ab3-982d-982472030171 50bd3701294c42c1b02c760173e9eb3c 7eaca578cee04351918f363003f9160c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27b49fa3-ec02-40b2-99c9-9f2d5591feff.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27b49fa3-ec02-40b2-99c9-9f2d5591feff.
2026-07-15 04:33:12.639 10 WARNING nova.scheduler.utils [None req-b919e3d4-aa82-4ab3-982d-982472030171 50bd3701294c42c1b02c760173e9eb3c 7eaca578cee04351918f363003f9160c - - default default] [instance: 27b49fa3-ec02-40b2-99c9-9f2d5591feff] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27b49fa3-ec02-40b2-99c9-9f2d5591feff.
2026-07-15 04:33:12.699 10 WARNING neutronclient.v2_0.client [None req-b919e3d4-aa82-4ab3-982d-982472030171 50bd3701294c42c1b02c760173e9eb3c 7eaca578cee04351918f363003f9160c - - 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 27b49fa3-ec02-40b2-99c9-9f2d5591feff.
2026-07-15 04:33:12.843 10 WARNING neutronclient.v2_0.client [None req-b919e3d4-aa82-4ab3-982d-982472030171 50bd3701294c42c1b02c760173e9eb3c 7eaca578cee04351918f363003f9160c - - 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 27b49fa3-ec02-40b2-99c9-9f2d5591feff.
2026-07-15 04:34:49.374 13 ERROR nova.scheduler.utils [None req-8e4447d0-2497-4c23-b76c-bcd7133834d2 1e66f29b2e594ef0be56640baf834251 9f1a8fa217834cd887ced6091b64fedc - - default default] [instance: 59d5ec15-81fa-47ad-a87f-4d66ca054888] 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 59d5ec15-81fa-47ad-a87f-4d66ca054888 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 04:34:49.375 13 WARNING nova.scheduler.utils [None req-8e4447d0-2497-4c23-b76c-bcd7133834d2 1e66f29b2e594ef0be56640baf834251 9f1a8fa217834cd887ced6091b64fedc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 59d5ec15-81fa-47ad-a87f-4d66ca054888.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 59d5ec15-81fa-47ad-a87f-4d66ca054888.
2026-07-15 04:34:49.376 13 WARNING nova.scheduler.utils [None req-8e4447d0-2497-4c23-b76c-bcd7133834d2 1e66f29b2e594ef0be56640baf834251 9f1a8fa217834cd887ced6091b64fedc - - default default] [instance: 59d5ec15-81fa-47ad-a87f-4d66ca054888] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 59d5ec15-81fa-47ad-a87f-4d66ca054888.
2026-07-15 04:34:49.424 13 WARNING neutronclient.v2_0.client [None req-8e4447d0-2497-4c23-b76c-bcd7133834d2 1e66f29b2e594ef0be56640baf834251 9f1a8fa217834cd887ced6091b64fedc - - 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 59d5ec15-81fa-47ad-a87f-4d66ca054888.
2026-07-15 04:34:49.457 13 WARNING neutronclient.v2_0.client [None req-8e4447d0-2497-4c23-b76c-bcd7133834d2 1e66f29b2e594ef0be56640baf834251 9f1a8fa217834cd887ced6091b64fedc - - 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 59d5ec15-81fa-47ad-a87f-4d66ca054888.