+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-12 02:25:53.119 1 INFO nova.utils [None req-42d5b280-2c9a-49ef-810e-a6b8d081afdf - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-12 02:25:53.308 1 INFO nova.utils [None req-42d5b280-2c9a-49ef-810e-a6b8d081afdf - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-12 02:25:54.309 1 INFO nova.utils [None req-42d5b280-2c9a-49ef-810e-a6b8d081afdf - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-12 02:25:54.312 1 WARNING oslo_service.backend._threading.service [None req-42d5b280-2c9a-49ef-810e-a6b8d081afdf - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-12 02:25:54.321 1 WARNING oslo_config.cfg [None req-42d5b280-2c9a-49ef-810e-a6b8d081afdf - - - - - -] 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.
2026-07-12 02:25:54.365 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-12 02:25:54.380 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-12 03:06:27.520 10 INFO nova.utils [None req-db8ecc87-c8fd-4143-b765-fe7956d186b0 cebdfad9552b458c9119b69aa0cdf0f2 b136802540e2466f9aa09574ac877dcb - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-12 03:06:27.684 10 INFO nova.compute.rpcapi [None req-ff56e125-7aa6-428c-b8d4-7460f9bb3e4a - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-12 03:06:44.829 12 ERROR nova.scheduler.utils [None req-db8ecc87-c8fd-4143-b765-fe7956d186b0 cebdfad9552b458c9119b69aa0cdf0f2 b136802540e2466f9aa09574ac877dcb - - default default] [instance: af372e71-1a93-4b51-8bf1-bcc22895646a] 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 af372e71-1a93-4b51-8bf1-bcc22895646a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-12 03:06:44.830 12 WARNING nova.scheduler.utils [None req-db8ecc87-c8fd-4143-b765-fe7956d186b0 cebdfad9552b458c9119b69aa0cdf0f2 b136802540e2466f9aa09574ac877dcb - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance af372e71-1a93-4b51-8bf1-bcc22895646a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance af372e71-1a93-4b51-8bf1-bcc22895646a.
2026-07-12 03:06:44.831 12 WARNING nova.scheduler.utils [None req-db8ecc87-c8fd-4143-b765-fe7956d186b0 cebdfad9552b458c9119b69aa0cdf0f2 b136802540e2466f9aa09574ac877dcb - - default default] [instance: af372e71-1a93-4b51-8bf1-bcc22895646a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance af372e71-1a93-4b51-8bf1-bcc22895646a.
2026-07-12 03:06:44.918 12 WARNING neutronclient.v2_0.client [None req-db8ecc87-c8fd-4143-b765-fe7956d186b0 cebdfad9552b458c9119b69aa0cdf0f2 b136802540e2466f9aa09574ac877dcb - - 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 af372e71-1a93-4b51-8bf1-bcc22895646a.
2026-07-12 03:06:45.333 12 WARNING neutronclient.v2_0.client [None req-db8ecc87-c8fd-4143-b765-fe7956d186b0 cebdfad9552b458c9119b69aa0cdf0f2 b136802540e2466f9aa09574ac877dcb - - 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 af372e71-1a93-4b51-8bf1-bcc22895646a.
2026-07-12 03:07:01.307 12 ERROR nova.scheduler.utils [None req-7d16f8b6-165e-4f0c-86ef-b65a0c7cbb79 40f06ddb6e9b43a8b9af4aceb3ad5249 878a9cca248f465983af22de347cbe04 - - default default] [instance: c4573465-2bc2-48fb-a1b9-80fad8cd3e72] 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 c4573465-2bc2-48fb-a1b9-80fad8cd3e72 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-12 03:07:01.309 12 WARNING nova.scheduler.utils [None req-7d16f8b6-165e-4f0c-86ef-b65a0c7cbb79 40f06ddb6e9b43a8b9af4aceb3ad5249 878a9cca248f465983af22de347cbe04 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c4573465-2bc2-48fb-a1b9-80fad8cd3e72.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c4573465-2bc2-48fb-a1b9-80fad8cd3e72.
2026-07-12 03:07:01.309 12 WARNING nova.scheduler.utils [None req-7d16f8b6-165e-4f0c-86ef-b65a0c7cbb79 40f06ddb6e9b43a8b9af4aceb3ad5249 878a9cca248f465983af22de347cbe04 - - default default] [instance: c4573465-2bc2-48fb-a1b9-80fad8cd3e72] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c4573465-2bc2-48fb-a1b9-80fad8cd3e72.
2026-07-12 03:07:01.362 12 WARNING neutronclient.v2_0.client [None req-7d16f8b6-165e-4f0c-86ef-b65a0c7cbb79 40f06ddb6e9b43a8b9af4aceb3ad5249 878a9cca248f465983af22de347cbe04 - - 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 c4573465-2bc2-48fb-a1b9-80fad8cd3e72.
2026-07-12 03:07:01.390 12 WARNING neutronclient.v2_0.client [None req-7d16f8b6-165e-4f0c-86ef-b65a0c7cbb79 40f06ddb6e9b43a8b9af4aceb3ad5249 878a9cca248f465983af22de347cbe04 - - 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 c4573465-2bc2-48fb-a1b9-80fad8cd3e72.
2026-07-12 03:07:08.814 10 ERROR nova.scheduler.utils [None req-c8a4e62f-67d6-4dc6-8031-f2eacbc407b9 7d22d910589c45c58523b6387c8d4e59 06e75c9f925d4ed79224c1cddd09089d - - default default] [instance: 1f0bfd72-c28c-408d-bb31-f30c26d884e3] 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 1f0bfd72-c28c-408d-bb31-f30c26d884e3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-12 03:07:08.815 10 WARNING nova.scheduler.utils [None req-c8a4e62f-67d6-4dc6-8031-f2eacbc407b9 7d22d910589c45c58523b6387c8d4e59 06e75c9f925d4ed79224c1cddd09089d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1f0bfd72-c28c-408d-bb31-f30c26d884e3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1f0bfd72-c28c-408d-bb31-f30c26d884e3.
2026-07-12 03:07:08.815 10 WARNING nova.scheduler.utils [None req-c8a4e62f-67d6-4dc6-8031-f2eacbc407b9 7d22d910589c45c58523b6387c8d4e59 06e75c9f925d4ed79224c1cddd09089d - - default default] [instance: 1f0bfd72-c28c-408d-bb31-f30c26d884e3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1f0bfd72-c28c-408d-bb31-f30c26d884e3.
2026-07-12 03:07:08.902 10 WARNING neutronclient.v2_0.client [None req-c8a4e62f-67d6-4dc6-8031-f2eacbc407b9 7d22d910589c45c58523b6387c8d4e59 06e75c9f925d4ed79224c1cddd09089d - - 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 1f0bfd72-c28c-408d-bb31-f30c26d884e3.
2026-07-12 03:07:09.516 10 WARNING neutronclient.v2_0.client [None req-c8a4e62f-67d6-4dc6-8031-f2eacbc407b9 7d22d910589c45c58523b6387c8d4e59 06e75c9f925d4ed79224c1cddd09089d - - 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 1f0bfd72-c28c-408d-bb31-f30c26d884e3.
2026-07-12 03:07:17.546 12 INFO nova.utils [None req-fc3b345c-5da4-41d5-bf9b-7333c20e397e bc45751e8660448cbe0b48f556c3bb07 c98d94b76eab4b06835274389cc7cd12 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-12 03:07:17.714 12 INFO nova.compute.rpcapi [None req-f0c90e70-66e4-49bd-85af-a8904e77df5a - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-12 03:07:32.944 10 ERROR nova.scheduler.utils [None req-fc3b345c-5da4-41d5-bf9b-7333c20e397e bc45751e8660448cbe0b48f556c3bb07 c98d94b76eab4b06835274389cc7cd12 - - default default] [instance: a211254f-4061-43b5-9c4e-f0b915d65f23] 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 a211254f-4061-43b5-9c4e-f0b915d65f23 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-12 03:07:32.944 10 WARNING nova.scheduler.utils [None req-fc3b345c-5da4-41d5-bf9b-7333c20e397e bc45751e8660448cbe0b48f556c3bb07 c98d94b76eab4b06835274389cc7cd12 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a211254f-4061-43b5-9c4e-f0b915d65f23.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a211254f-4061-43b5-9c4e-f0b915d65f23.
2026-07-12 03:07:32.945 10 WARNING nova.scheduler.utils [None req-fc3b345c-5da4-41d5-bf9b-7333c20e397e bc45751e8660448cbe0b48f556c3bb07 c98d94b76eab4b06835274389cc7cd12 - - default default] [instance: a211254f-4061-43b5-9c4e-f0b915d65f23] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a211254f-4061-43b5-9c4e-f0b915d65f23.
2026-07-12 03:07:33.009 10 WARNING neutronclient.v2_0.client [None req-fc3b345c-5da4-41d5-bf9b-7333c20e397e bc45751e8660448cbe0b48f556c3bb07 c98d94b76eab4b06835274389cc7cd12 - - 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 a211254f-4061-43b5-9c4e-f0b915d65f23.
2026-07-12 03:07:33.044 10 WARNING neutronclient.v2_0.client [None req-fc3b345c-5da4-41d5-bf9b-7333c20e397e bc45751e8660448cbe0b48f556c3bb07 c98d94b76eab4b06835274389cc7cd12 - - 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 a211254f-4061-43b5-9c4e-f0b915d65f23.
2026-07-12 03:08:10.225 10 ERROR nova.scheduler.utils [None req-eefa5b06-21ae-4a78-bcbf-f1599926a58b af9d757871ba44bf842d178066737f22 93a0d2d146f643e282527b992cf86a9d - - default default] [instance: e84f8575-41ab-41a3-9aee-a053e1f4377e] 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 e84f8575-41ab-41a3-9aee-a053e1f4377e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-12 03:08:10.226 10 WARNING nova.scheduler.utils [None req-eefa5b06-21ae-4a78-bcbf-f1599926a58b af9d757871ba44bf842d178066737f22 93a0d2d146f643e282527b992cf86a9d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e84f8575-41ab-41a3-9aee-a053e1f4377e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e84f8575-41ab-41a3-9aee-a053e1f4377e.
2026-07-12 03:08:10.226 10 WARNING nova.scheduler.utils [None req-eefa5b06-21ae-4a78-bcbf-f1599926a58b af9d757871ba44bf842d178066737f22 93a0d2d146f643e282527b992cf86a9d - - default default] [instance: e84f8575-41ab-41a3-9aee-a053e1f4377e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e84f8575-41ab-41a3-9aee-a053e1f4377e.
2026-07-12 03:08:10.320 10 WARNING neutronclient.v2_0.client [None req-eefa5b06-21ae-4a78-bcbf-f1599926a58b af9d757871ba44bf842d178066737f22 93a0d2d146f643e282527b992cf86a9d - - 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 e84f8575-41ab-41a3-9aee-a053e1f4377e.
2026-07-12 03:08:10.370 10 WARNING neutronclient.v2_0.client [None req-eefa5b06-21ae-4a78-bcbf-f1599926a58b af9d757871ba44bf842d178066737f22 93a0d2d146f643e282527b992cf86a9d - - 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 e84f8575-41ab-41a3-9aee-a053e1f4377e.
2026-07-12 03:08:16.801 12 ERROR nova.scheduler.utils [None req-612aecff-a51b-48f8-84b1-b608412685f3 0a42e3e6ab2140b095f73bf7f599270f 274b7393a84b40c59a43f306eb223845 - - default default] [instance: 84d3cd42-5404-4fb8-80bc-65643c55994d] 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 84d3cd42-5404-4fb8-80bc-65643c55994d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-12 03:08:16.802 12 WARNING nova.scheduler.utils [None req-612aecff-a51b-48f8-84b1-b608412685f3 0a42e3e6ab2140b095f73bf7f599270f 274b7393a84b40c59a43f306eb223845 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 84d3cd42-5404-4fb8-80bc-65643c55994d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 84d3cd42-5404-4fb8-80bc-65643c55994d.
2026-07-12 03:08:16.802 12 WARNING nova.scheduler.utils [None req-612aecff-a51b-48f8-84b1-b608412685f3 0a42e3e6ab2140b095f73bf7f599270f 274b7393a84b40c59a43f306eb223845 - - default default] [instance: 84d3cd42-5404-4fb8-80bc-65643c55994d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 84d3cd42-5404-4fb8-80bc-65643c55994d.
2026-07-12 03:08:16.856 12 WARNING neutronclient.v2_0.client [None req-612aecff-a51b-48f8-84b1-b608412685f3 0a42e3e6ab2140b095f73bf7f599270f 274b7393a84b40c59a43f306eb223845 - - 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 84d3cd42-5404-4fb8-80bc-65643c55994d.
2026-07-12 03:08:16.944 12 WARNING neutronclient.v2_0.client [None req-612aecff-a51b-48f8-84b1-b608412685f3 0a42e3e6ab2140b095f73bf7f599270f 274b7393a84b40c59a43f306eb223845 - - 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 84d3cd42-5404-4fb8-80bc-65643c55994d.
2026-07-12 03:08:42.894 12 ERROR nova.scheduler.utils [None req-43e76363-acf1-487b-a428-1f41a0b5fe76 c2f5517998224adabf56a5cca0ed5725 4342635cdbef42a7a7ab385774a4d585 - - default default] [instance: 7b2ee121-65ae-4c02-a25d-552d75326f4d] 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 7b2ee121-65ae-4c02-a25d-552d75326f4d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-12 03:08:42.895 12 WARNING nova.scheduler.utils [None req-43e76363-acf1-487b-a428-1f41a0b5fe76 c2f5517998224adabf56a5cca0ed5725 4342635cdbef42a7a7ab385774a4d585 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7b2ee121-65ae-4c02-a25d-552d75326f4d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7b2ee121-65ae-4c02-a25d-552d75326f4d.
2026-07-12 03:08:42.896 12 WARNING nova.scheduler.utils [None req-43e76363-acf1-487b-a428-1f41a0b5fe76 c2f5517998224adabf56a5cca0ed5725 4342635cdbef42a7a7ab385774a4d585 - - default default] [instance: 7b2ee121-65ae-4c02-a25d-552d75326f4d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7b2ee121-65ae-4c02-a25d-552d75326f4d.
2026-07-12 03:08:42.945 12 WARNING neutronclient.v2_0.client [None req-43e76363-acf1-487b-a428-1f41a0b5fe76 c2f5517998224adabf56a5cca0ed5725 4342635cdbef42a7a7ab385774a4d585 - - 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 7b2ee121-65ae-4c02-a25d-552d75326f4d.
2026-07-12 03:08:43.095 12 WARNING neutronclient.v2_0.client [None req-43e76363-acf1-487b-a428-1f41a0b5fe76 c2f5517998224adabf56a5cca0ed5725 4342635cdbef42a7a7ab385774a4d585 - - 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 7b2ee121-65ae-4c02-a25d-552d75326f4d.
2026-07-12 03:09:01.628 10 ERROR nova.scheduler.utils [None req-021a7af3-77de-4b95-b503-823c702678b0 322a9cc3d2d74ca79fa71aa6f2ef8468 d8f655fc54bb4526bd599505151890c6 - - default default] [instance: b4785653-f84d-480c-a853-521818bf60a7] 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 b4785653-f84d-480c-a853-521818bf60a7 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-12 03:09:01.629 10 WARNING nova.scheduler.utils [None req-021a7af3-77de-4b95-b503-823c702678b0 322a9cc3d2d74ca79fa71aa6f2ef8468 d8f655fc54bb4526bd599505151890c6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b4785653-f84d-480c-a853-521818bf60a7.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b4785653-f84d-480c-a853-521818bf60a7.
2026-07-12 03:09:01.630 10 WARNING nova.scheduler.utils [None req-021a7af3-77de-4b95-b503-823c702678b0 322a9cc3d2d74ca79fa71aa6f2ef8468 d8f655fc54bb4526bd599505151890c6 - - default default] [instance: b4785653-f84d-480c-a853-521818bf60a7] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b4785653-f84d-480c-a853-521818bf60a7.
2026-07-12 03:09:01.683 10 WARNING neutronclient.v2_0.client [None req-021a7af3-77de-4b95-b503-823c702678b0 322a9cc3d2d74ca79fa71aa6f2ef8468 d8f655fc54bb4526bd599505151890c6 - - 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 b4785653-f84d-480c-a853-521818bf60a7.
2026-07-12 03:09:02.091 10 WARNING neutronclient.v2_0.client [None req-021a7af3-77de-4b95-b503-823c702678b0 322a9cc3d2d74ca79fa71aa6f2ef8468 d8f655fc54bb4526bd599505151890c6 - - 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 b4785653-f84d-480c-a853-521818bf60a7.
2026-07-12 03:09:20.050 10 ERROR nova.scheduler.utils [None req-0c5c2c3c-5a36-4d81-a7c9-60d47d953933 1a0ae63d0bd44395a27293ffcab84366 72dadcde115845168789dcc9c6a01b5a - - default default] [instance: f1473dda-c2fd-4f74-b257-1ec355370e5f] 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 f1473dda-c2fd-4f74-b257-1ec355370e5f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-12 03:09:20.051 10 WARNING nova.scheduler.utils [None req-0c5c2c3c-5a36-4d81-a7c9-60d47d953933 1a0ae63d0bd44395a27293ffcab84366 72dadcde115845168789dcc9c6a01b5a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f1473dda-c2fd-4f74-b257-1ec355370e5f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f1473dda-c2fd-4f74-b257-1ec355370e5f.
2026-07-12 03:09:20.051 10 WARNING nova.scheduler.utils [None req-0c5c2c3c-5a36-4d81-a7c9-60d47d953933 1a0ae63d0bd44395a27293ffcab84366 72dadcde115845168789dcc9c6a01b5a - - default default] [instance: f1473dda-c2fd-4f74-b257-1ec355370e5f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f1473dda-c2fd-4f74-b257-1ec355370e5f.
2026-07-12 03:09:20.097 10 WARNING neutronclient.v2_0.client [None req-0c5c2c3c-5a36-4d81-a7c9-60d47d953933 1a0ae63d0bd44395a27293ffcab84366 72dadcde115845168789dcc9c6a01b5a - - 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 f1473dda-c2fd-4f74-b257-1ec355370e5f.
2026-07-12 03:09:20.153 10 WARNING neutronclient.v2_0.client [None req-0c5c2c3c-5a36-4d81-a7c9-60d47d953933 1a0ae63d0bd44395a27293ffcab84366 72dadcde115845168789dcc9c6a01b5a - - 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 f1473dda-c2fd-4f74-b257-1ec355370e5f.
2026-07-12 03:11:07.357 12 ERROR nova.scheduler.utils [None req-bf4e4af9-0145-4ba8-aea6-bb8b08a81925 ef4b7729bb2c449baa555ae297a6c405 24e8f10b4e34417aa4ccbbb14df7b3ee - - default default] [instance: c5d4fda2-b8df-4849-9f6f-ae276e26e119] 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 c5d4fda2-b8df-4849-9f6f-ae276e26e119 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-12 03:11:07.358 12 WARNING nova.scheduler.utils [None req-bf4e4af9-0145-4ba8-aea6-bb8b08a81925 ef4b7729bb2c449baa555ae297a6c405 24e8f10b4e34417aa4ccbbb14df7b3ee - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c5d4fda2-b8df-4849-9f6f-ae276e26e119.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c5d4fda2-b8df-4849-9f6f-ae276e26e119.
2026-07-12 03:11:07.358 12 WARNING nova.scheduler.utils [None req-bf4e4af9-0145-4ba8-aea6-bb8b08a81925 ef4b7729bb2c449baa555ae297a6c405 24e8f10b4e34417aa4ccbbb14df7b3ee - - default default] [instance: c5d4fda2-b8df-4849-9f6f-ae276e26e119] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c5d4fda2-b8df-4849-9f6f-ae276e26e119.
2026-07-12 03:11:07.413 12 WARNING neutronclient.v2_0.client [None req-bf4e4af9-0145-4ba8-aea6-bb8b08a81925 ef4b7729bb2c449baa555ae297a6c405 24e8f10b4e34417aa4ccbbb14df7b3ee - - 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 c5d4fda2-b8df-4849-9f6f-ae276e26e119.
2026-07-12 03:11:07.454 12 WARNING neutronclient.v2_0.client [None req-bf4e4af9-0145-4ba8-aea6-bb8b08a81925 ef4b7729bb2c449baa555ae297a6c405 24e8f10b4e34417aa4ccbbb14df7b3ee - - 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 c5d4fda2-b8df-4849-9f6f-ae276e26e119.