+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-11 04:03:44.535 1 INFO nova.utils [None req-27a03260-6eb4-41d7-a66c-2f210fb0c3ee - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-11 04:03:44.705 1 INFO nova.utils [None req-27a03260-6eb4-41d7-a66c-2f210fb0c3ee - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-11 04:03:45.705 1 INFO nova.utils [None req-27a03260-6eb4-41d7-a66c-2f210fb0c3ee - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-11 04:03:45.707 1 WARNING oslo_service.backend._threading.service [None req-27a03260-6eb4-41d7-a66c-2f210fb0c3ee - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-11 04:03:45.715 1 WARNING oslo_config.cfg [None req-27a03260-6eb4-41d7-a66c-2f210fb0c3ee - - - - - -] 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.
2026-07-11 04:03:45.761 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-11 04:03:45.773 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-11 04:42:45.847 12 INFO nova.utils [None req-056861f9-4ca9-40b0-a61c-bd46cb6800a0 2ada431139894e05b619861cf7fb8b66 b80afd33b6c140d3850aa15e67296514 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-11 04:42:45.999 12 INFO nova.compute.rpcapi [None req-17e166c6-1b02-48a5-b52f-e592b5d5ef68 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-11 04:43:01.970 10 INFO nova.utils [None req-0822fb3b-de66-4c49-a4c0-1f77079d8f0d 3b426fb7e9d44fc4bb21b6b61d44febc fc54a41bb01848f1a987d80caf6276cc - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-11 04:43:02.223 10 INFO nova.compute.rpcapi [None req-c19ab66a-e420-4499-9aa2-6cb896bbc59e - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-11 04:43:06.300 12 ERROR nova.scheduler.utils [None req-056861f9-4ca9-40b0-a61c-bd46cb6800a0 2ada431139894e05b619861cf7fb8b66 b80afd33b6c140d3850aa15e67296514 - - default default] [instance: fc68a148-e58e-4a1b-83db-24a0f1d7a884] 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 fc68a148-e58e-4a1b-83db-24a0f1d7a884 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-11 04:43:06.301 12 WARNING nova.scheduler.utils [None req-056861f9-4ca9-40b0-a61c-bd46cb6800a0 2ada431139894e05b619861cf7fb8b66 b80afd33b6c140d3850aa15e67296514 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fc68a148-e58e-4a1b-83db-24a0f1d7a884.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fc68a148-e58e-4a1b-83db-24a0f1d7a884.
2026-07-11 04:43:06.301 12 WARNING nova.scheduler.utils [None req-056861f9-4ca9-40b0-a61c-bd46cb6800a0 2ada431139894e05b619861cf7fb8b66 b80afd33b6c140d3850aa15e67296514 - - default default] [instance: fc68a148-e58e-4a1b-83db-24a0f1d7a884] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fc68a148-e58e-4a1b-83db-24a0f1d7a884.
2026-07-11 04:43:06.416 12 WARNING neutronclient.v2_0.client [None req-056861f9-4ca9-40b0-a61c-bd46cb6800a0 2ada431139894e05b619861cf7fb8b66 b80afd33b6c140d3850aa15e67296514 - - 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 fc68a148-e58e-4a1b-83db-24a0f1d7a884.
2026-07-11 04:43:06.804 12 WARNING neutronclient.v2_0.client [None req-056861f9-4ca9-40b0-a61c-bd46cb6800a0 2ada431139894e05b619861cf7fb8b66 b80afd33b6c140d3850aa15e67296514 - - 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 fc68a148-e58e-4a1b-83db-24a0f1d7a884.
2026-07-11 04:43:12.805 12 ERROR nova.scheduler.utils [None req-b75d03e6-71cb-456c-b5c4-a44ad6062c7f 6db1b8851ffc4d328d64d15e36f6d770 4a5cb100014c4e3d9fc5f47f1ac5c75d - - default default] [instance: 72e3665b-fb88-4e22-aad1-2a9408f11b39] 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 72e3665b-fb88-4e22-aad1-2a9408f11b39 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-11 04:43:12.806 12 WARNING nova.scheduler.utils [None req-b75d03e6-71cb-456c-b5c4-a44ad6062c7f 6db1b8851ffc4d328d64d15e36f6d770 4a5cb100014c4e3d9fc5f47f1ac5c75d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 72e3665b-fb88-4e22-aad1-2a9408f11b39.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 72e3665b-fb88-4e22-aad1-2a9408f11b39.
2026-07-11 04:43:12.807 12 WARNING nova.scheduler.utils [None req-b75d03e6-71cb-456c-b5c4-a44ad6062c7f 6db1b8851ffc4d328d64d15e36f6d770 4a5cb100014c4e3d9fc5f47f1ac5c75d - - default default] [instance: 72e3665b-fb88-4e22-aad1-2a9408f11b39] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 72e3665b-fb88-4e22-aad1-2a9408f11b39.
2026-07-11 04:43:12.902 12 WARNING neutronclient.v2_0.client [None req-b75d03e6-71cb-456c-b5c4-a44ad6062c7f 6db1b8851ffc4d328d64d15e36f6d770 4a5cb100014c4e3d9fc5f47f1ac5c75d - - 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 72e3665b-fb88-4e22-aad1-2a9408f11b39.
2026-07-11 04:43:12.932 12 WARNING neutronclient.v2_0.client [None req-b75d03e6-71cb-456c-b5c4-a44ad6062c7f 6db1b8851ffc4d328d64d15e36f6d770 4a5cb100014c4e3d9fc5f47f1ac5c75d - - 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 72e3665b-fb88-4e22-aad1-2a9408f11b39.
2026-07-11 04:43:17.771 12 ERROR nova.scheduler.utils [None req-0822fb3b-de66-4c49-a4c0-1f77079d8f0d 3b426fb7e9d44fc4bb21b6b61d44febc fc54a41bb01848f1a987d80caf6276cc - - default default] [instance: 68f9c8b4-307f-4246-80e9-bf46a83e0c8e] 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 68f9c8b4-307f-4246-80e9-bf46a83e0c8e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-11 04:43:17.771 12 WARNING nova.scheduler.utils [None req-0822fb3b-de66-4c49-a4c0-1f77079d8f0d 3b426fb7e9d44fc4bb21b6b61d44febc fc54a41bb01848f1a987d80caf6276cc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 68f9c8b4-307f-4246-80e9-bf46a83e0c8e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 68f9c8b4-307f-4246-80e9-bf46a83e0c8e.
2026-07-11 04:43:17.772 12 WARNING nova.scheduler.utils [None req-0822fb3b-de66-4c49-a4c0-1f77079d8f0d 3b426fb7e9d44fc4bb21b6b61d44febc fc54a41bb01848f1a987d80caf6276cc - - default default] [instance: 68f9c8b4-307f-4246-80e9-bf46a83e0c8e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 68f9c8b4-307f-4246-80e9-bf46a83e0c8e.
2026-07-11 04:43:17.819 12 WARNING neutronclient.v2_0.client [None req-0822fb3b-de66-4c49-a4c0-1f77079d8f0d 3b426fb7e9d44fc4bb21b6b61d44febc fc54a41bb01848f1a987d80caf6276cc - - 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 68f9c8b4-307f-4246-80e9-bf46a83e0c8e.
2026-07-11 04:43:17.856 12 WARNING neutronclient.v2_0.client [None req-0822fb3b-de66-4c49-a4c0-1f77079d8f0d 3b426fb7e9d44fc4bb21b6b61d44febc fc54a41bb01848f1a987d80caf6276cc - - 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 68f9c8b4-307f-4246-80e9-bf46a83e0c8e.
2026-07-11 04:43:19.596 12 ERROR nova.scheduler.utils [None req-47611249-a692-4292-8114-573f0eef4b69 aba186c16fac4f32a103d6f65ff38894 41bf1b58c4414eeea675f9e734f33d44 - - default default] [instance: 0491229c-256f-435b-a375-cf211b77e9ff] 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 0491229c-256f-435b-a375-cf211b77e9ff was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-11 04:43:19.597 12 WARNING nova.scheduler.utils [None req-47611249-a692-4292-8114-573f0eef4b69 aba186c16fac4f32a103d6f65ff38894 41bf1b58c4414eeea675f9e734f33d44 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0491229c-256f-435b-a375-cf211b77e9ff.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0491229c-256f-435b-a375-cf211b77e9ff.
2026-07-11 04:43:19.597 12 WARNING nova.scheduler.utils [None req-47611249-a692-4292-8114-573f0eef4b69 aba186c16fac4f32a103d6f65ff38894 41bf1b58c4414eeea675f9e734f33d44 - - default default] [instance: 0491229c-256f-435b-a375-cf211b77e9ff] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0491229c-256f-435b-a375-cf211b77e9ff.
2026-07-11 04:43:19.639 12 WARNING neutronclient.v2_0.client [None req-47611249-a692-4292-8114-573f0eef4b69 aba186c16fac4f32a103d6f65ff38894 41bf1b58c4414eeea675f9e734f33d44 - - 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 0491229c-256f-435b-a375-cf211b77e9ff.
2026-07-11 04:43:19.669 12 WARNING neutronclient.v2_0.client [None req-47611249-a692-4292-8114-573f0eef4b69 aba186c16fac4f32a103d6f65ff38894 41bf1b58c4414eeea675f9e734f33d44 - - 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 0491229c-256f-435b-a375-cf211b77e9ff.
2026-07-11 04:43:54.399 12 ERROR nova.scheduler.utils [None req-e2eaeca0-668a-46c7-950a-be522fcdd0dc c0568f09d4f940408c78ec161c1acd93 e76490c3a6a1401a87ef87c4df0a7caa - - default default] [instance: e7a29ad5-b226-45db-ab27-8798e368d86b] 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 e7a29ad5-b226-45db-ab27-8798e368d86b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-11 04:43:54.400 12 WARNING nova.scheduler.utils [None req-e2eaeca0-668a-46c7-950a-be522fcdd0dc c0568f09d4f940408c78ec161c1acd93 e76490c3a6a1401a87ef87c4df0a7caa - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e7a29ad5-b226-45db-ab27-8798e368d86b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e7a29ad5-b226-45db-ab27-8798e368d86b.
2026-07-11 04:43:54.401 12 WARNING nova.scheduler.utils [None req-e2eaeca0-668a-46c7-950a-be522fcdd0dc c0568f09d4f940408c78ec161c1acd93 e76490c3a6a1401a87ef87c4df0a7caa - - default default] [instance: e7a29ad5-b226-45db-ab27-8798e368d86b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e7a29ad5-b226-45db-ab27-8798e368d86b.
2026-07-11 04:43:54.458 12 WARNING neutronclient.v2_0.client [None req-e2eaeca0-668a-46c7-950a-be522fcdd0dc c0568f09d4f940408c78ec161c1acd93 e76490c3a6a1401a87ef87c4df0a7caa - - 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 e7a29ad5-b226-45db-ab27-8798e368d86b.
2026-07-11 04:43:54.907 12 WARNING neutronclient.v2_0.client [None req-e2eaeca0-668a-46c7-950a-be522fcdd0dc c0568f09d4f940408c78ec161c1acd93 e76490c3a6a1401a87ef87c4df0a7caa - - 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 e7a29ad5-b226-45db-ab27-8798e368d86b.
2026-07-11 04:44:30.996 10 ERROR nova.scheduler.utils [None req-cdbc8e8f-9b52-4599-8693-692a41ada52a d8b1f2afb30748b698d6660e5a49c6d3 d86e4afdf6e64b1ab40ca51fa29506de - - default default] [instance: 8cf0952f-559b-4de9-95ac-a5fe68488509] 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 8cf0952f-559b-4de9-95ac-a5fe68488509 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-11 04:44:30.997 10 WARNING nova.scheduler.utils [None req-cdbc8e8f-9b52-4599-8693-692a41ada52a d8b1f2afb30748b698d6660e5a49c6d3 d86e4afdf6e64b1ab40ca51fa29506de - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8cf0952f-559b-4de9-95ac-a5fe68488509.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8cf0952f-559b-4de9-95ac-a5fe68488509.
2026-07-11 04:44:30.997 10 WARNING nova.scheduler.utils [None req-cdbc8e8f-9b52-4599-8693-692a41ada52a d8b1f2afb30748b698d6660e5a49c6d3 d86e4afdf6e64b1ab40ca51fa29506de - - default default] [instance: 8cf0952f-559b-4de9-95ac-a5fe68488509] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8cf0952f-559b-4de9-95ac-a5fe68488509.
2026-07-11 04:44:31.090 10 WARNING neutronclient.v2_0.client [None req-cdbc8e8f-9b52-4599-8693-692a41ada52a d8b1f2afb30748b698d6660e5a49c6d3 d86e4afdf6e64b1ab40ca51fa29506de - - 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 8cf0952f-559b-4de9-95ac-a5fe68488509.
2026-07-11 04:44:31.621 10 WARNING neutronclient.v2_0.client [None req-cdbc8e8f-9b52-4599-8693-692a41ada52a d8b1f2afb30748b698d6660e5a49c6d3 d86e4afdf6e64b1ab40ca51fa29506de - - 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 8cf0952f-559b-4de9-95ac-a5fe68488509.
2026-07-11 04:45:04.355 10 ERROR nova.scheduler.utils [None req-35e1c4d6-2877-4592-92c8-d79f1a5a6360 ad1a27b9372645059b5f85c5ecc7e37d 538064a7547242c1acb0e8a5ca0119eb - - default default] [instance: 9415ebc7-2ce6-4c29-a5d3-7c6999d29455] 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 9415ebc7-2ce6-4c29-a5d3-7c6999d29455 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-11 04:45:04.359 10 WARNING nova.scheduler.utils [None req-35e1c4d6-2877-4592-92c8-d79f1a5a6360 ad1a27b9372645059b5f85c5ecc7e37d 538064a7547242c1acb0e8a5ca0119eb - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9415ebc7-2ce6-4c29-a5d3-7c6999d29455.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9415ebc7-2ce6-4c29-a5d3-7c6999d29455.
2026-07-11 04:45:04.360 10 WARNING nova.scheduler.utils [None req-35e1c4d6-2877-4592-92c8-d79f1a5a6360 ad1a27b9372645059b5f85c5ecc7e37d 538064a7547242c1acb0e8a5ca0119eb - - default default] [instance: 9415ebc7-2ce6-4c29-a5d3-7c6999d29455] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9415ebc7-2ce6-4c29-a5d3-7c6999d29455.
2026-07-11 04:45:04.428 10 WARNING neutronclient.v2_0.client [None req-35e1c4d6-2877-4592-92c8-d79f1a5a6360 ad1a27b9372645059b5f85c5ecc7e37d 538064a7547242c1acb0e8a5ca0119eb - - 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 9415ebc7-2ce6-4c29-a5d3-7c6999d29455.
2026-07-11 04:45:04.538 10 WARNING neutronclient.v2_0.client [None req-35e1c4d6-2877-4592-92c8-d79f1a5a6360 ad1a27b9372645059b5f85c5ecc7e37d 538064a7547242c1acb0e8a5ca0119eb - - 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 9415ebc7-2ce6-4c29-a5d3-7c6999d29455.
2026-07-11 04:45:41.956 12 ERROR nova.scheduler.utils [None req-357526f5-e0fd-409b-8160-6a262685dba4 98d468cc82a649a2977d0f6f96626053 1db42577be5749babd00476a04371d2b - - default default] [instance: 6eae2f65-1ba6-419c-a5d7-fb45cc8f4c88] 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 6eae2f65-1ba6-419c-a5d7-fb45cc8f4c88 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-11 04:45:41.958 12 WARNING nova.scheduler.utils [None req-357526f5-e0fd-409b-8160-6a262685dba4 98d468cc82a649a2977d0f6f96626053 1db42577be5749babd00476a04371d2b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6eae2f65-1ba6-419c-a5d7-fb45cc8f4c88.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6eae2f65-1ba6-419c-a5d7-fb45cc8f4c88.
2026-07-11 04:45:41.958 12 WARNING nova.scheduler.utils [None req-357526f5-e0fd-409b-8160-6a262685dba4 98d468cc82a649a2977d0f6f96626053 1db42577be5749babd00476a04371d2b - - default default] [instance: 6eae2f65-1ba6-419c-a5d7-fb45cc8f4c88] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6eae2f65-1ba6-419c-a5d7-fb45cc8f4c88.
2026-07-11 04:45:41.996 12 WARNING neutronclient.v2_0.client [None req-357526f5-e0fd-409b-8160-6a262685dba4 98d468cc82a649a2977d0f6f96626053 1db42577be5749babd00476a04371d2b - - 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 6eae2f65-1ba6-419c-a5d7-fb45cc8f4c88.
2026-07-11 04:45:42.023 12 WARNING neutronclient.v2_0.client [None req-357526f5-e0fd-409b-8160-6a262685dba4 98d468cc82a649a2977d0f6f96626053 1db42577be5749babd00476a04371d2b - - 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 6eae2f65-1ba6-419c-a5d7-fb45cc8f4c88.
2026-07-11 04:46:20.888 10 ERROR nova.scheduler.utils [None req-432948d1-d8a3-45c7-92b3-b97f561cd2d4 912e5ffbf552473db54b203c83fb8a69 aa6ed06bbcb04d529db00a35dc867545 - - default default] [instance: d107402d-71b8-4a55-a663-0011ecd7fe2c] 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 d107402d-71b8-4a55-a663-0011ecd7fe2c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-11 04:46:20.889 10 WARNING nova.scheduler.utils [None req-432948d1-d8a3-45c7-92b3-b97f561cd2d4 912e5ffbf552473db54b203c83fb8a69 aa6ed06bbcb04d529db00a35dc867545 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d107402d-71b8-4a55-a663-0011ecd7fe2c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d107402d-71b8-4a55-a663-0011ecd7fe2c.
2026-07-11 04:46:20.890 10 WARNING nova.scheduler.utils [None req-432948d1-d8a3-45c7-92b3-b97f561cd2d4 912e5ffbf552473db54b203c83fb8a69 aa6ed06bbcb04d529db00a35dc867545 - - default default] [instance: d107402d-71b8-4a55-a663-0011ecd7fe2c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d107402d-71b8-4a55-a663-0011ecd7fe2c.
2026-07-11 04:46:20.935 10 WARNING neutronclient.v2_0.client [None req-432948d1-d8a3-45c7-92b3-b97f561cd2d4 912e5ffbf552473db54b203c83fb8a69 aa6ed06bbcb04d529db00a35dc867545 - - 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 d107402d-71b8-4a55-a663-0011ecd7fe2c.
2026-07-11 04:46:20.983 10 WARNING neutronclient.v2_0.client [None req-432948d1-d8a3-45c7-92b3-b97f561cd2d4 912e5ffbf552473db54b203c83fb8a69 aa6ed06bbcb04d529db00a35dc867545 - - 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 d107402d-71b8-4a55-a663-0011ecd7fe2c.
2026-07-11 04:47:25.118 12 ERROR nova.scheduler.utils [None req-a5cf6b27-d072-4bf9-b23d-3d7fb8b06f4b 803f101a237945ce9508ffa504b7a35e 2e175e265cf0446a847b5e230166bcc1 - - default default] [instance: 9fc910ae-1aae-48e1-b512-0c85ade05fa0] 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 9fc910ae-1aae-48e1-b512-0c85ade05fa0 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-11 04:47:25.119 12 WARNING nova.scheduler.utils [None req-a5cf6b27-d072-4bf9-b23d-3d7fb8b06f4b 803f101a237945ce9508ffa504b7a35e 2e175e265cf0446a847b5e230166bcc1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9fc910ae-1aae-48e1-b512-0c85ade05fa0.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9fc910ae-1aae-48e1-b512-0c85ade05fa0.
2026-07-11 04:47:25.120 12 WARNING nova.scheduler.utils [None req-a5cf6b27-d072-4bf9-b23d-3d7fb8b06f4b 803f101a237945ce9508ffa504b7a35e 2e175e265cf0446a847b5e230166bcc1 - - default default] [instance: 9fc910ae-1aae-48e1-b512-0c85ade05fa0] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9fc910ae-1aae-48e1-b512-0c85ade05fa0.
2026-07-11 04:47:25.160 12 WARNING neutronclient.v2_0.client [None req-a5cf6b27-d072-4bf9-b23d-3d7fb8b06f4b 803f101a237945ce9508ffa504b7a35e 2e175e265cf0446a847b5e230166bcc1 - - 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 9fc910ae-1aae-48e1-b512-0c85ade05fa0.
2026-07-11 04:47:25.189 12 WARNING neutronclient.v2_0.client [None req-a5cf6b27-d072-4bf9-b23d-3d7fb8b06f4b 803f101a237945ce9508ffa504b7a35e 2e175e265cf0446a847b5e230166bcc1 - - 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 9fc910ae-1aae-48e1-b512-0c85ade05fa0.