+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-15 15:07:41.418 1 INFO nova.utils [None req-f4e83f12-35f4-49ac-90b2-0fcc09badf01 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-15 15:07:41.619 1 INFO nova.utils [None req-f4e83f12-35f4-49ac-90b2-0fcc09badf01 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-15 15:07:42.619 1 INFO nova.utils [None req-f4e83f12-35f4-49ac-90b2-0fcc09badf01 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-15 15:07:42.623 1 WARNING oslo_service.backend._threading.service [None req-f4e83f12-35f4-49ac-90b2-0fcc09badf01 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-15 15:07:42.633 1 WARNING oslo_config.cfg [None req-f4e83f12-35f4-49ac-90b2-0fcc09badf01 - - - - - -] 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 15:07:42.682 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-15 15:07:42.698 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-15 15:47:04.062 12 INFO nova.utils [None req-f8c2eb5b-7cc0-4a12-8195-81e92fa29785 65199bd25bdb41789aacf365aae9bd4e 349cfae0f6c9493fa817419b9d31b515 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-15 15:47:04.227 12 INFO nova.compute.rpcapi [None req-4103693f-47c5-4426-9d55-4c63da4c30e1 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-15 15:47:19.428 12 ERROR nova.scheduler.utils [None req-f8c2eb5b-7cc0-4a12-8195-81e92fa29785 65199bd25bdb41789aacf365aae9bd4e 349cfae0f6c9493fa817419b9d31b515 - - default default] [instance: 4034165f-456e-43c0-9ece-2acce63bba99] 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 4034165f-456e-43c0-9ece-2acce63bba99 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:47:19.430 12 WARNING nova.scheduler.utils [None req-f8c2eb5b-7cc0-4a12-8195-81e92fa29785 65199bd25bdb41789aacf365aae9bd4e 349cfae0f6c9493fa817419b9d31b515 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4034165f-456e-43c0-9ece-2acce63bba99.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4034165f-456e-43c0-9ece-2acce63bba99.
2026-07-15 15:47:19.430 12 WARNING nova.scheduler.utils [None req-f8c2eb5b-7cc0-4a12-8195-81e92fa29785 65199bd25bdb41789aacf365aae9bd4e 349cfae0f6c9493fa817419b9d31b515 - - default default] [instance: 4034165f-456e-43c0-9ece-2acce63bba99] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4034165f-456e-43c0-9ece-2acce63bba99.
2026-07-15 15:47:19.524 12 WARNING neutronclient.v2_0.client [None req-f8c2eb5b-7cc0-4a12-8195-81e92fa29785 65199bd25bdb41789aacf365aae9bd4e 349cfae0f6c9493fa817419b9d31b515 - - 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 4034165f-456e-43c0-9ece-2acce63bba99.
2026-07-15 15:47:20.017 12 WARNING neutronclient.v2_0.client [None req-f8c2eb5b-7cc0-4a12-8195-81e92fa29785 65199bd25bdb41789aacf365aae9bd4e 349cfae0f6c9493fa817419b9d31b515 - - 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 4034165f-456e-43c0-9ece-2acce63bba99.
2026-07-15 15:47:21.729 12 ERROR nova.scheduler.utils [None req-d03a461f-59b4-496b-a003-ddf80f8b76e5 bd5b7c71d32449a1ad6696c6cce3242c fb57157323554c8b955b6c2375240a0c - - default default] [instance: eddf0f41-2624-41c2-9d4e-b2bb73a6496b] 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 eddf0f41-2624-41c2-9d4e-b2bb73a6496b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:47:21.729 12 WARNING nova.scheduler.utils [None req-d03a461f-59b4-496b-a003-ddf80f8b76e5 bd5b7c71d32449a1ad6696c6cce3242c fb57157323554c8b955b6c2375240a0c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eddf0f41-2624-41c2-9d4e-b2bb73a6496b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eddf0f41-2624-41c2-9d4e-b2bb73a6496b.
2026-07-15 15:47:21.730 12 WARNING nova.scheduler.utils [None req-d03a461f-59b4-496b-a003-ddf80f8b76e5 bd5b7c71d32449a1ad6696c6cce3242c fb57157323554c8b955b6c2375240a0c - - default default] [instance: eddf0f41-2624-41c2-9d4e-b2bb73a6496b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eddf0f41-2624-41c2-9d4e-b2bb73a6496b.
2026-07-15 15:47:21.761 12 WARNING neutronclient.v2_0.client [None req-d03a461f-59b4-496b-a003-ddf80f8b76e5 bd5b7c71d32449a1ad6696c6cce3242c fb57157323554c8b955b6c2375240a0c - - 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 eddf0f41-2624-41c2-9d4e-b2bb73a6496b.
2026-07-15 15:47:21.788 12 WARNING neutronclient.v2_0.client [None req-d03a461f-59b4-496b-a003-ddf80f8b76e5 bd5b7c71d32449a1ad6696c6cce3242c fb57157323554c8b955b6c2375240a0c - - 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 eddf0f41-2624-41c2-9d4e-b2bb73a6496b.
2026-07-15 15:47:27.090 10 ERROR nova.scheduler.utils [None req-1fa45f84-5409-426b-8ddb-5dfe3554635b b36f7863c0aa4d4db4c9d8ac00c8047a 4e2684c8518e4d24975886376a51c72f - - default default] [instance: feaef48a-8d4b-45a5-9906-f062b70d032c] 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 feaef48a-8d4b-45a5-9906-f062b70d032c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:47:27.091 10 WARNING nova.scheduler.utils [None req-1fa45f84-5409-426b-8ddb-5dfe3554635b b36f7863c0aa4d4db4c9d8ac00c8047a 4e2684c8518e4d24975886376a51c72f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance feaef48a-8d4b-45a5-9906-f062b70d032c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance feaef48a-8d4b-45a5-9906-f062b70d032c.
2026-07-15 15:47:27.091 10 WARNING nova.scheduler.utils [None req-1fa45f84-5409-426b-8ddb-5dfe3554635b b36f7863c0aa4d4db4c9d8ac00c8047a 4e2684c8518e4d24975886376a51c72f - - default default] [instance: feaef48a-8d4b-45a5-9906-f062b70d032c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance feaef48a-8d4b-45a5-9906-f062b70d032c.
2026-07-15 15:47:27.183 10 WARNING neutronclient.v2_0.client [None req-1fa45f84-5409-426b-8ddb-5dfe3554635b b36f7863c0aa4d4db4c9d8ac00c8047a 4e2684c8518e4d24975886376a51c72f - - 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 feaef48a-8d4b-45a5-9906-f062b70d032c.
2026-07-15 15:47:27.913 10 WARNING neutronclient.v2_0.client [None req-1fa45f84-5409-426b-8ddb-5dfe3554635b b36f7863c0aa4d4db4c9d8ac00c8047a 4e2684c8518e4d24975886376a51c72f - - 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 feaef48a-8d4b-45a5-9906-f062b70d032c.
2026-07-15 15:47:36.897 10 INFO nova.utils [None req-8060727f-cf52-48bb-a7bb-daf4ef1e8797 3d4cfe21d9c84bc8804667ed2aefa6ce 5c933ab0f79c4d5da831827c1a5e92d0 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-15 15:47:37.102 10 INFO nova.compute.rpcapi [None req-b55f3ebd-a36a-44cd-98f0-be80a6ad92f8 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-15 15:47:51.336 10 ERROR nova.scheduler.utils [None req-8060727f-cf52-48bb-a7bb-daf4ef1e8797 3d4cfe21d9c84bc8804667ed2aefa6ce 5c933ab0f79c4d5da831827c1a5e92d0 - - default default] [instance: 8cbb8993-50dc-4dd5-8282-0b53ec429a07] 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 8cbb8993-50dc-4dd5-8282-0b53ec429a07 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:47:51.337 10 WARNING nova.scheduler.utils [None req-8060727f-cf52-48bb-a7bb-daf4ef1e8797 3d4cfe21d9c84bc8804667ed2aefa6ce 5c933ab0f79c4d5da831827c1a5e92d0 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8cbb8993-50dc-4dd5-8282-0b53ec429a07.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8cbb8993-50dc-4dd5-8282-0b53ec429a07.
2026-07-15 15:47:51.337 10 WARNING nova.scheduler.utils [None req-8060727f-cf52-48bb-a7bb-daf4ef1e8797 3d4cfe21d9c84bc8804667ed2aefa6ce 5c933ab0f79c4d5da831827c1a5e92d0 - - default default] [instance: 8cbb8993-50dc-4dd5-8282-0b53ec429a07] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8cbb8993-50dc-4dd5-8282-0b53ec429a07.
2026-07-15 15:47:51.378 10 WARNING neutronclient.v2_0.client [None req-8060727f-cf52-48bb-a7bb-daf4ef1e8797 3d4cfe21d9c84bc8804667ed2aefa6ce 5c933ab0f79c4d5da831827c1a5e92d0 - - 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 8cbb8993-50dc-4dd5-8282-0b53ec429a07.
2026-07-15 15:47:51.406 10 WARNING neutronclient.v2_0.client [None req-8060727f-cf52-48bb-a7bb-daf4ef1e8797 3d4cfe21d9c84bc8804667ed2aefa6ce 5c933ab0f79c4d5da831827c1a5e92d0 - - 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 8cbb8993-50dc-4dd5-8282-0b53ec429a07.
2026-07-15 15:47:53.141 12 ERROR nova.scheduler.utils [None req-f8db8a6c-790d-4824-b12d-c2f3481a67a5 83219f2f0c024dce8a2e742002e4e45f 09b069850ff4443f80fb10f5ab315298 - - default default] [instance: aa6a5256-38fc-4b42-812b-27d9020f2f64] 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 aa6a5256-38fc-4b42-812b-27d9020f2f64 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:47:53.142 12 WARNING nova.scheduler.utils [None req-f8db8a6c-790d-4824-b12d-c2f3481a67a5 83219f2f0c024dce8a2e742002e4e45f 09b069850ff4443f80fb10f5ab315298 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance aa6a5256-38fc-4b42-812b-27d9020f2f64.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance aa6a5256-38fc-4b42-812b-27d9020f2f64.
2026-07-15 15:47:53.143 12 WARNING nova.scheduler.utils [None req-f8db8a6c-790d-4824-b12d-c2f3481a67a5 83219f2f0c024dce8a2e742002e4e45f 09b069850ff4443f80fb10f5ab315298 - - default default] [instance: aa6a5256-38fc-4b42-812b-27d9020f2f64] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance aa6a5256-38fc-4b42-812b-27d9020f2f64.
2026-07-15 15:47:53.240 12 WARNING neutronclient.v2_0.client [None req-f8db8a6c-790d-4824-b12d-c2f3481a67a5 83219f2f0c024dce8a2e742002e4e45f 09b069850ff4443f80fb10f5ab315298 - - 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 aa6a5256-38fc-4b42-812b-27d9020f2f64.
2026-07-15 15:47:53.265 12 WARNING neutronclient.v2_0.client [None req-f8db8a6c-790d-4824-b12d-c2f3481a67a5 83219f2f0c024dce8a2e742002e4e45f 09b069850ff4443f80fb10f5ab315298 - - 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 aa6a5256-38fc-4b42-812b-27d9020f2f64.
2026-07-15 15:48:26.027 12 ERROR nova.scheduler.utils [None req-014a923d-9b18-41f4-80c6-40166d8888bd 9b5c1a32d97c460c873f6ea542955dc9 4c5778d38e1247bf9d517b62e1d4960e - - default default] [instance: a85bf333-95eb-48e1-9b50-15eed9e9acdb] 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 a85bf333-95eb-48e1-9b50-15eed9e9acdb was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:48:26.028 12 WARNING nova.scheduler.utils [None req-014a923d-9b18-41f4-80c6-40166d8888bd 9b5c1a32d97c460c873f6ea542955dc9 4c5778d38e1247bf9d517b62e1d4960e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a85bf333-95eb-48e1-9b50-15eed9e9acdb.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a85bf333-95eb-48e1-9b50-15eed9e9acdb.
2026-07-15 15:48:26.028 12 WARNING nova.scheduler.utils [None req-014a923d-9b18-41f4-80c6-40166d8888bd 9b5c1a32d97c460c873f6ea542955dc9 4c5778d38e1247bf9d517b62e1d4960e - - default default] [instance: a85bf333-95eb-48e1-9b50-15eed9e9acdb] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a85bf333-95eb-48e1-9b50-15eed9e9acdb.
2026-07-15 15:48:26.074 12 WARNING neutronclient.v2_0.client [None req-014a923d-9b18-41f4-80c6-40166d8888bd 9b5c1a32d97c460c873f6ea542955dc9 4c5778d38e1247bf9d517b62e1d4960e - - 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 a85bf333-95eb-48e1-9b50-15eed9e9acdb.
2026-07-15 15:48:26.196 12 WARNING neutronclient.v2_0.client [None req-014a923d-9b18-41f4-80c6-40166d8888bd 9b5c1a32d97c460c873f6ea542955dc9 4c5778d38e1247bf9d517b62e1d4960e - - 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 a85bf333-95eb-48e1-9b50-15eed9e9acdb.
2026-07-15 15:49:41.509 12 ERROR nova.scheduler.utils [None req-beb1d3f5-3d7b-4fb2-af1a-51c57c376392 f9ba72a189d44346b9704c6d410a882d c073191c263e4692add93b440b0f6070 - - default default] [instance: 98ab56ee-d74d-413b-9aff-cee1bcdf118e] 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 98ab56ee-d74d-413b-9aff-cee1bcdf118e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:49:41.509 12 WARNING nova.scheduler.utils [None req-beb1d3f5-3d7b-4fb2-af1a-51c57c376392 f9ba72a189d44346b9704c6d410a882d c073191c263e4692add93b440b0f6070 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 98ab56ee-d74d-413b-9aff-cee1bcdf118e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 98ab56ee-d74d-413b-9aff-cee1bcdf118e.
2026-07-15 15:49:41.510 12 WARNING nova.scheduler.utils [None req-beb1d3f5-3d7b-4fb2-af1a-51c57c376392 f9ba72a189d44346b9704c6d410a882d c073191c263e4692add93b440b0f6070 - - default default] [instance: 98ab56ee-d74d-413b-9aff-cee1bcdf118e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 98ab56ee-d74d-413b-9aff-cee1bcdf118e.
2026-07-15 15:49:41.567 12 WARNING neutronclient.v2_0.client [None req-beb1d3f5-3d7b-4fb2-af1a-51c57c376392 f9ba72a189d44346b9704c6d410a882d c073191c263e4692add93b440b0f6070 - - 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 98ab56ee-d74d-413b-9aff-cee1bcdf118e.
2026-07-15 15:49:41.605 12 WARNING neutronclient.v2_0.client [None req-beb1d3f5-3d7b-4fb2-af1a-51c57c376392 f9ba72a189d44346b9704c6d410a882d c073191c263e4692add93b440b0f6070 - - 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 98ab56ee-d74d-413b-9aff-cee1bcdf118e.
2026-07-15 15:50:15.823 12 ERROR nova.scheduler.utils [None req-02bbd08a-11fb-45de-b21a-90a02db232c3 7b91826dc4174bcaa8507884d3cb8407 2483b93d626442ce8dca3874f5e25e4c - - default default] [instance: ae0104ff-08b0-45fb-bd5a-999bffd508c3] 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 ae0104ff-08b0-45fb-bd5a-999bffd508c3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:50:15.824 12 WARNING nova.scheduler.utils [None req-02bbd08a-11fb-45de-b21a-90a02db232c3 7b91826dc4174bcaa8507884d3cb8407 2483b93d626442ce8dca3874f5e25e4c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ae0104ff-08b0-45fb-bd5a-999bffd508c3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ae0104ff-08b0-45fb-bd5a-999bffd508c3.
2026-07-15 15:50:15.824 12 WARNING nova.scheduler.utils [None req-02bbd08a-11fb-45de-b21a-90a02db232c3 7b91826dc4174bcaa8507884d3cb8407 2483b93d626442ce8dca3874f5e25e4c - - default default] [instance: ae0104ff-08b0-45fb-bd5a-999bffd508c3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ae0104ff-08b0-45fb-bd5a-999bffd508c3.
2026-07-15 15:50:15.869 12 WARNING neutronclient.v2_0.client [None req-02bbd08a-11fb-45de-b21a-90a02db232c3 7b91826dc4174bcaa8507884d3cb8407 2483b93d626442ce8dca3874f5e25e4c - - 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 ae0104ff-08b0-45fb-bd5a-999bffd508c3.
2026-07-15 15:50:16.249 12 WARNING neutronclient.v2_0.client [None req-02bbd08a-11fb-45de-b21a-90a02db232c3 7b91826dc4174bcaa8507884d3cb8407 2483b93d626442ce8dca3874f5e25e4c - - 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 ae0104ff-08b0-45fb-bd5a-999bffd508c3.
2026-07-15 15:50:36.562 12 ERROR nova.scheduler.utils [None req-be3eae71-ae77-4e76-8ab6-0894dd65c512 ec540c68c31a47b19c568b8c1bd4894f b25a01a7e6214f868b7aa610a67e5aac - - default default] [instance: 9eba3352-8779-4b00-b6a9-d731bf44f41a] 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 9eba3352-8779-4b00-b6a9-d731bf44f41a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:50:36.563 12 WARNING nova.scheduler.utils [None req-be3eae71-ae77-4e76-8ab6-0894dd65c512 ec540c68c31a47b19c568b8c1bd4894f b25a01a7e6214f868b7aa610a67e5aac - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9eba3352-8779-4b00-b6a9-d731bf44f41a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9eba3352-8779-4b00-b6a9-d731bf44f41a.
2026-07-15 15:50:36.563 12 WARNING nova.scheduler.utils [None req-be3eae71-ae77-4e76-8ab6-0894dd65c512 ec540c68c31a47b19c568b8c1bd4894f b25a01a7e6214f868b7aa610a67e5aac - - default default] [instance: 9eba3352-8779-4b00-b6a9-d731bf44f41a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9eba3352-8779-4b00-b6a9-d731bf44f41a.
2026-07-15 15:50:36.614 12 WARNING neutronclient.v2_0.client [None req-be3eae71-ae77-4e76-8ab6-0894dd65c512 ec540c68c31a47b19c568b8c1bd4894f b25a01a7e6214f868b7aa610a67e5aac - - 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 9eba3352-8779-4b00-b6a9-d731bf44f41a.
2026-07-15 15:50:36.644 12 WARNING neutronclient.v2_0.client [None req-be3eae71-ae77-4e76-8ab6-0894dd65c512 ec540c68c31a47b19c568b8c1bd4894f b25a01a7e6214f868b7aa610a67e5aac - - 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 9eba3352-8779-4b00-b6a9-d731bf44f41a.
2026-07-15 15:51:57.091 12 ERROR nova.scheduler.utils [None req-7361ce93-190a-4b46-812d-202f3a8608b1 e7cc9dccf9c14020a07f69027dc14e53 b56fc8b3f33949a9b23be4907b774609 - - default default] [instance: ef1bd9ab-c402-4743-8de0-ea76dda3e195] 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 ef1bd9ab-c402-4743-8de0-ea76dda3e195 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 15:51:57.092 12 WARNING nova.scheduler.utils [None req-7361ce93-190a-4b46-812d-202f3a8608b1 e7cc9dccf9c14020a07f69027dc14e53 b56fc8b3f33949a9b23be4907b774609 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ef1bd9ab-c402-4743-8de0-ea76dda3e195.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ef1bd9ab-c402-4743-8de0-ea76dda3e195.
2026-07-15 15:51:57.092 12 WARNING nova.scheduler.utils [None req-7361ce93-190a-4b46-812d-202f3a8608b1 e7cc9dccf9c14020a07f69027dc14e53 b56fc8b3f33949a9b23be4907b774609 - - default default] [instance: ef1bd9ab-c402-4743-8de0-ea76dda3e195] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ef1bd9ab-c402-4743-8de0-ea76dda3e195.
2026-07-15 15:51:57.135 12 WARNING neutronclient.v2_0.client [None req-7361ce93-190a-4b46-812d-202f3a8608b1 e7cc9dccf9c14020a07f69027dc14e53 b56fc8b3f33949a9b23be4907b774609 - - 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 ef1bd9ab-c402-4743-8de0-ea76dda3e195.
2026-07-15 15:51:57.162 12 WARNING neutronclient.v2_0.client [None req-7361ce93-190a-4b46-812d-202f3a8608b1 e7cc9dccf9c14020a07f69027dc14e53 b56fc8b3f33949a9b23be4907b774609 - - 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 ef1bd9ab-c402-4743-8de0-ea76dda3e195.