+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-14 23:29:31.843 1 INFO nova.utils [None req-75350093-c7fd-44d4-b18b-4fd1e4e97344 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-14 23:29:32.006 1 INFO nova.utils [None req-75350093-c7fd-44d4-b18b-4fd1e4e97344 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-14 23:29:33.006 1 INFO nova.utils [None req-75350093-c7fd-44d4-b18b-4fd1e4e97344 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-14 23:29:33.008 1 WARNING oslo_service.backend._threading.service [None req-75350093-c7fd-44d4-b18b-4fd1e4e97344 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-14 23:29:33.017 1 WARNING oslo_config.cfg [None req-75350093-c7fd-44d4-b18b-4fd1e4e97344 - - - - - -] 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.
2026-07-14 23:29:33.061 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-14 23:29:33.075 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-15 00:07:44.895 12 INFO nova.utils [None req-5112e461-23c8-4d54-b40d-9e56ac9e9976 009c8d51ef2c46328c9cf4a7f8b7ad37 5bcfa66c947b4b2c9a03119d4c6e07f3 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-15 00:07:45.094 12 INFO nova.compute.rpcapi [None req-4f884604-0edf-4428-8d48-718b6c921b53 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-15 00:08:00.024 12 ERROR nova.scheduler.utils [None req-5112e461-23c8-4d54-b40d-9e56ac9e9976 009c8d51ef2c46328c9cf4a7f8b7ad37 5bcfa66c947b4b2c9a03119d4c6e07f3 - - default default] [instance: 475f6017-eb58-4636-a757-22071237a71f] 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 475f6017-eb58-4636-a757-22071237a71f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 00:08:00.026 12 WARNING nova.scheduler.utils [None req-5112e461-23c8-4d54-b40d-9e56ac9e9976 009c8d51ef2c46328c9cf4a7f8b7ad37 5bcfa66c947b4b2c9a03119d4c6e07f3 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 475f6017-eb58-4636-a757-22071237a71f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 475f6017-eb58-4636-a757-22071237a71f.
2026-07-15 00:08:00.027 12 WARNING nova.scheduler.utils [None req-5112e461-23c8-4d54-b40d-9e56ac9e9976 009c8d51ef2c46328c9cf4a7f8b7ad37 5bcfa66c947b4b2c9a03119d4c6e07f3 - - default default] [instance: 475f6017-eb58-4636-a757-22071237a71f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 475f6017-eb58-4636-a757-22071237a71f.
2026-07-15 00:08:00.123 12 WARNING neutronclient.v2_0.client [None req-5112e461-23c8-4d54-b40d-9e56ac9e9976 009c8d51ef2c46328c9cf4a7f8b7ad37 5bcfa66c947b4b2c9a03119d4c6e07f3 - - 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 475f6017-eb58-4636-a757-22071237a71f.
2026-07-15 00:08:00.790 12 WARNING neutronclient.v2_0.client [None req-5112e461-23c8-4d54-b40d-9e56ac9e9976 009c8d51ef2c46328c9cf4a7f8b7ad37 5bcfa66c947b4b2c9a03119d4c6e07f3 - - 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 475f6017-eb58-4636-a757-22071237a71f.
2026-07-15 00:08:01.460 12 ERROR nova.scheduler.utils [None req-3a72578f-5095-45ab-a762-ea367647a38b a8c13dfb4670404e9b3d57e8ea078c4c e8dc2aebea1a4d948204ec34f4774456 - - default default] [instance: 22d6642e-f045-405f-a868-75c34502ca36] 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 22d6642e-f045-405f-a868-75c34502ca36 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 00:08:01.461 12 WARNING nova.scheduler.utils [None req-3a72578f-5095-45ab-a762-ea367647a38b a8c13dfb4670404e9b3d57e8ea078c4c e8dc2aebea1a4d948204ec34f4774456 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 22d6642e-f045-405f-a868-75c34502ca36.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 22d6642e-f045-405f-a868-75c34502ca36.
2026-07-15 00:08:01.462 12 WARNING nova.scheduler.utils [None req-3a72578f-5095-45ab-a762-ea367647a38b a8c13dfb4670404e9b3d57e8ea078c4c e8dc2aebea1a4d948204ec34f4774456 - - default default] [instance: 22d6642e-f045-405f-a868-75c34502ca36] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 22d6642e-f045-405f-a868-75c34502ca36.
2026-07-15 00:08:01.505 12 WARNING neutronclient.v2_0.client [None req-3a72578f-5095-45ab-a762-ea367647a38b a8c13dfb4670404e9b3d57e8ea078c4c e8dc2aebea1a4d948204ec34f4774456 - - 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 22d6642e-f045-405f-a868-75c34502ca36.
2026-07-15 00:08:01.533 12 WARNING neutronclient.v2_0.client [None req-3a72578f-5095-45ab-a762-ea367647a38b a8c13dfb4670404e9b3d57e8ea078c4c e8dc2aebea1a4d948204ec34f4774456 - - 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 22d6642e-f045-405f-a868-75c34502ca36.
2026-07-15 00:08:22.080 12 ERROR nova.scheduler.utils [None req-ff3971ac-5c0e-48d2-acec-107c7bb946b3 4126993045f4496c936a8b573cb2868d d0ba63422e064e5f88957c0dcc04ef11 - - default default] [instance: 7536dc70-34ba-4338-b4f8-00b67b404f9d] 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 7536dc70-34ba-4338-b4f8-00b67b404f9d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 00:08:22.081 12 WARNING nova.scheduler.utils [None req-ff3971ac-5c0e-48d2-acec-107c7bb946b3 4126993045f4496c936a8b573cb2868d d0ba63422e064e5f88957c0dcc04ef11 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7536dc70-34ba-4338-b4f8-00b67b404f9d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7536dc70-34ba-4338-b4f8-00b67b404f9d.
2026-07-15 00:08:22.081 12 WARNING nova.scheduler.utils [None req-ff3971ac-5c0e-48d2-acec-107c7bb946b3 4126993045f4496c936a8b573cb2868d d0ba63422e064e5f88957c0dcc04ef11 - - default default] [instance: 7536dc70-34ba-4338-b4f8-00b67b404f9d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7536dc70-34ba-4338-b4f8-00b67b404f9d.
2026-07-15 00:08:22.133 12 WARNING neutronclient.v2_0.client [None req-ff3971ac-5c0e-48d2-acec-107c7bb946b3 4126993045f4496c936a8b573cb2868d d0ba63422e064e5f88957c0dcc04ef11 - - 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 7536dc70-34ba-4338-b4f8-00b67b404f9d.
2026-07-15 00:08:22.176 12 WARNING neutronclient.v2_0.client [None req-ff3971ac-5c0e-48d2-acec-107c7bb946b3 4126993045f4496c936a8b573cb2868d d0ba63422e064e5f88957c0dcc04ef11 - - 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 7536dc70-34ba-4338-b4f8-00b67b404f9d.
2026-07-15 00:08:27.760 12 ERROR nova.scheduler.utils [None req-d3902516-3cd6-4c03-82e3-8b6018916248 c6ba102f584b40a387e8fdd1a0ec607c ecd69ebb207e4f4db094150b1bd5359c - - default default] [instance: 5f3b107e-8c96-425a-bff2-f19cf62c2e78] 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 5f3b107e-8c96-425a-bff2-f19cf62c2e78 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 00:08:27.761 12 WARNING nova.scheduler.utils [None req-d3902516-3cd6-4c03-82e3-8b6018916248 c6ba102f584b40a387e8fdd1a0ec607c ecd69ebb207e4f4db094150b1bd5359c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5f3b107e-8c96-425a-bff2-f19cf62c2e78.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5f3b107e-8c96-425a-bff2-f19cf62c2e78.
2026-07-15 00:08:27.761 12 WARNING nova.scheduler.utils [None req-d3902516-3cd6-4c03-82e3-8b6018916248 c6ba102f584b40a387e8fdd1a0ec607c ecd69ebb207e4f4db094150b1bd5359c - - default default] [instance: 5f3b107e-8c96-425a-bff2-f19cf62c2e78] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5f3b107e-8c96-425a-bff2-f19cf62c2e78.
2026-07-15 00:08:27.853 12 WARNING neutronclient.v2_0.client [None req-d3902516-3cd6-4c03-82e3-8b6018916248 c6ba102f584b40a387e8fdd1a0ec607c ecd69ebb207e4f4db094150b1bd5359c - - 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 5f3b107e-8c96-425a-bff2-f19cf62c2e78.
2026-07-15 00:08:28.181 12 WARNING neutronclient.v2_0.client [None req-d3902516-3cd6-4c03-82e3-8b6018916248 c6ba102f584b40a387e8fdd1a0ec607c ecd69ebb207e4f4db094150b1bd5359c - - 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 5f3b107e-8c96-425a-bff2-f19cf62c2e78.
2026-07-15 00:08:38.807 10 INFO nova.utils [None req-ed60df49-076f-402c-9eb2-f36f20ab2a32 8d71e80886a04bdd99315443f5713fbd eb4a69ed85a74b32a39dc5e6b5fd2e36 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-15 00:08:38.960 10 INFO nova.compute.rpcapi [None req-e21c0e28-c339-4417-bc35-21bbb1256c6a - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-15 00:08:52.308 10 ERROR nova.scheduler.utils [None req-ed60df49-076f-402c-9eb2-f36f20ab2a32 8d71e80886a04bdd99315443f5713fbd eb4a69ed85a74b32a39dc5e6b5fd2e36 - - default default] [instance: 6e651e42-cc39-4d63-b753-906105c4b944] 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 6e651e42-cc39-4d63-b753-906105c4b944 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 00:08:52.309 10 WARNING nova.scheduler.utils [None req-ed60df49-076f-402c-9eb2-f36f20ab2a32 8d71e80886a04bdd99315443f5713fbd eb4a69ed85a74b32a39dc5e6b5fd2e36 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6e651e42-cc39-4d63-b753-906105c4b944.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6e651e42-cc39-4d63-b753-906105c4b944.
2026-07-15 00:08:52.309 10 WARNING nova.scheduler.utils [None req-ed60df49-076f-402c-9eb2-f36f20ab2a32 8d71e80886a04bdd99315443f5713fbd eb4a69ed85a74b32a39dc5e6b5fd2e36 - - default default] [instance: 6e651e42-cc39-4d63-b753-906105c4b944] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6e651e42-cc39-4d63-b753-906105c4b944.
2026-07-15 00:08:52.416 10 WARNING neutronclient.v2_0.client [None req-ed60df49-076f-402c-9eb2-f36f20ab2a32 8d71e80886a04bdd99315443f5713fbd eb4a69ed85a74b32a39dc5e6b5fd2e36 - - 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 6e651e42-cc39-4d63-b753-906105c4b944.
2026-07-15 00:08:52.877 10 WARNING neutronclient.v2_0.client [None req-ed60df49-076f-402c-9eb2-f36f20ab2a32 8d71e80886a04bdd99315443f5713fbd eb4a69ed85a74b32a39dc5e6b5fd2e36 - - 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 6e651e42-cc39-4d63-b753-906105c4b944.
2026-07-15 00:08:55.635 12 ERROR nova.scheduler.utils [None req-9369a873-257a-4d7f-af6e-a2b0232f944c 13fb3a425ac74f76af606ddaf3aaf5f3 c5654d949ea649cea8b6bb9e365ab5df - - default default] [instance: 2e9a7d0f-3dfd-48f0-8bdd-3677bf9298e6] 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 2e9a7d0f-3dfd-48f0-8bdd-3677bf9298e6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 00:08:55.636 12 WARNING nova.scheduler.utils [None req-9369a873-257a-4d7f-af6e-a2b0232f944c 13fb3a425ac74f76af606ddaf3aaf5f3 c5654d949ea649cea8b6bb9e365ab5df - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2e9a7d0f-3dfd-48f0-8bdd-3677bf9298e6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2e9a7d0f-3dfd-48f0-8bdd-3677bf9298e6.
2026-07-15 00:08:55.636 12 WARNING nova.scheduler.utils [None req-9369a873-257a-4d7f-af6e-a2b0232f944c 13fb3a425ac74f76af606ddaf3aaf5f3 c5654d949ea649cea8b6bb9e365ab5df - - default default] [instance: 2e9a7d0f-3dfd-48f0-8bdd-3677bf9298e6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2e9a7d0f-3dfd-48f0-8bdd-3677bf9298e6.
2026-07-15 00:08:55.680 12 WARNING neutronclient.v2_0.client [None req-9369a873-257a-4d7f-af6e-a2b0232f944c 13fb3a425ac74f76af606ddaf3aaf5f3 c5654d949ea649cea8b6bb9e365ab5df - - 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 2e9a7d0f-3dfd-48f0-8bdd-3677bf9298e6.
2026-07-15 00:08:56.200 12 WARNING neutronclient.v2_0.client [None req-9369a873-257a-4d7f-af6e-a2b0232f944c 13fb3a425ac74f76af606ddaf3aaf5f3 c5654d949ea649cea8b6bb9e365ab5df - - 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 2e9a7d0f-3dfd-48f0-8bdd-3677bf9298e6.
2026-07-15 00:08:57.408 10 ERROR nova.scheduler.utils [None req-3901eee2-a7c0-4ba7-8989-0f73c401fc15 4a62d4bb9ce645a5b6387e495b37338e 2f51ec03ad2b436b881d3fefee03d876 - - default default] [instance: 3cdb5310-fe75-46ad-9213-2aef7ee35e2c] 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 3cdb5310-fe75-46ad-9213-2aef7ee35e2c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 00:08:57.409 10 WARNING nova.scheduler.utils [None req-3901eee2-a7c0-4ba7-8989-0f73c401fc15 4a62d4bb9ce645a5b6387e495b37338e 2f51ec03ad2b436b881d3fefee03d876 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3cdb5310-fe75-46ad-9213-2aef7ee35e2c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3cdb5310-fe75-46ad-9213-2aef7ee35e2c.
2026-07-15 00:08:57.409 10 WARNING nova.scheduler.utils [None req-3901eee2-a7c0-4ba7-8989-0f73c401fc15 4a62d4bb9ce645a5b6387e495b37338e 2f51ec03ad2b436b881d3fefee03d876 - - default default] [instance: 3cdb5310-fe75-46ad-9213-2aef7ee35e2c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3cdb5310-fe75-46ad-9213-2aef7ee35e2c.
2026-07-15 00:08:57.460 10 WARNING neutronclient.v2_0.client [None req-3901eee2-a7c0-4ba7-8989-0f73c401fc15 4a62d4bb9ce645a5b6387e495b37338e 2f51ec03ad2b436b881d3fefee03d876 - - 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 3cdb5310-fe75-46ad-9213-2aef7ee35e2c.
2026-07-15 00:08:57.669 10 WARNING neutronclient.v2_0.client [None req-3901eee2-a7c0-4ba7-8989-0f73c401fc15 4a62d4bb9ce645a5b6387e495b37338e 2f51ec03ad2b436b881d3fefee03d876 - - 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 3cdb5310-fe75-46ad-9213-2aef7ee35e2c.
2026-07-15 00:10:04.092 10 ERROR nova.scheduler.utils [None req-4eb3d08f-2140-4256-a5a2-ff9488d5eeae 62074e4c0ece49babac659ef6f0746a9 bbaffdc60d13452e9de5a904a77e0596 - - default default] [instance: 3b030e7b-99a4-4b26-a2b4-92fc8890425c] 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 3b030e7b-99a4-4b26-a2b4-92fc8890425c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 00:10:04.093 10 WARNING nova.scheduler.utils [None req-4eb3d08f-2140-4256-a5a2-ff9488d5eeae 62074e4c0ece49babac659ef6f0746a9 bbaffdc60d13452e9de5a904a77e0596 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3b030e7b-99a4-4b26-a2b4-92fc8890425c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3b030e7b-99a4-4b26-a2b4-92fc8890425c.
2026-07-15 00:10:04.093 10 WARNING nova.scheduler.utils [None req-4eb3d08f-2140-4256-a5a2-ff9488d5eeae 62074e4c0ece49babac659ef6f0746a9 bbaffdc60d13452e9de5a904a77e0596 - - default default] [instance: 3b030e7b-99a4-4b26-a2b4-92fc8890425c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3b030e7b-99a4-4b26-a2b4-92fc8890425c.
2026-07-15 00:10:04.140 10 WARNING neutronclient.v2_0.client [None req-4eb3d08f-2140-4256-a5a2-ff9488d5eeae 62074e4c0ece49babac659ef6f0746a9 bbaffdc60d13452e9de5a904a77e0596 - - 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 3b030e7b-99a4-4b26-a2b4-92fc8890425c.
2026-07-15 00:10:04.167 10 WARNING neutronclient.v2_0.client [None req-4eb3d08f-2140-4256-a5a2-ff9488d5eeae 62074e4c0ece49babac659ef6f0746a9 bbaffdc60d13452e9de5a904a77e0596 - - 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 3b030e7b-99a4-4b26-a2b4-92fc8890425c.
2026-07-15 00:10:07.132 10 ERROR nova.scheduler.utils [None req-51d459a8-2f0f-435d-a4c2-57be114718e2 431d8cf5337a496aa7ecb9d9de134308 65bcda7c68994c6cb16b31d1a2419316 - - default default] [instance: e186e1eb-0a71-4c44-9f29-0b52b05eef92] 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 e186e1eb-0a71-4c44-9f29-0b52b05eef92 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 00:10:07.133 10 WARNING nova.scheduler.utils [None req-51d459a8-2f0f-435d-a4c2-57be114718e2 431d8cf5337a496aa7ecb9d9de134308 65bcda7c68994c6cb16b31d1a2419316 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e186e1eb-0a71-4c44-9f29-0b52b05eef92.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e186e1eb-0a71-4c44-9f29-0b52b05eef92.
2026-07-15 00:10:07.133 10 WARNING nova.scheduler.utils [None req-51d459a8-2f0f-435d-a4c2-57be114718e2 431d8cf5337a496aa7ecb9d9de134308 65bcda7c68994c6cb16b31d1a2419316 - - default default] [instance: e186e1eb-0a71-4c44-9f29-0b52b05eef92] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e186e1eb-0a71-4c44-9f29-0b52b05eef92.
2026-07-15 00:10:07.199 10 WARNING neutronclient.v2_0.client [None req-51d459a8-2f0f-435d-a4c2-57be114718e2 431d8cf5337a496aa7ecb9d9de134308 65bcda7c68994c6cb16b31d1a2419316 - - 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 e186e1eb-0a71-4c44-9f29-0b52b05eef92.
2026-07-15 00:10:07.350 10 WARNING neutronclient.v2_0.client [None req-51d459a8-2f0f-435d-a4c2-57be114718e2 431d8cf5337a496aa7ecb9d9de134308 65bcda7c68994c6cb16b31d1a2419316 - - 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 e186e1eb-0a71-4c44-9f29-0b52b05eef92.
2026-07-15 00:10:44.725 10 ERROR nova.scheduler.utils [None req-041754e3-1b47-43ca-b35d-9b18e7071685 ec800a6c74bf48edbf090889cc51a7b0 9af33b125f354c8aa82e60a736bce9cf - - default default] [instance: c32ee46e-4ebc-4803-9731-18e945983896] 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 c32ee46e-4ebc-4803-9731-18e945983896 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-15 00:10:44.725 10 WARNING nova.scheduler.utils [None req-041754e3-1b47-43ca-b35d-9b18e7071685 ec800a6c74bf48edbf090889cc51a7b0 9af33b125f354c8aa82e60a736bce9cf - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c32ee46e-4ebc-4803-9731-18e945983896.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c32ee46e-4ebc-4803-9731-18e945983896.
2026-07-15 00:10:44.726 10 WARNING nova.scheduler.utils [None req-041754e3-1b47-43ca-b35d-9b18e7071685 ec800a6c74bf48edbf090889cc51a7b0 9af33b125f354c8aa82e60a736bce9cf - - default default] [instance: c32ee46e-4ebc-4803-9731-18e945983896] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c32ee46e-4ebc-4803-9731-18e945983896.
2026-07-15 00:10:44.765 10 WARNING neutronclient.v2_0.client [None req-041754e3-1b47-43ca-b35d-9b18e7071685 ec800a6c74bf48edbf090889cc51a7b0 9af33b125f354c8aa82e60a736bce9cf - - 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 c32ee46e-4ebc-4803-9731-18e945983896.
2026-07-15 00:10:44.983 10 WARNING neutronclient.v2_0.client [None req-041754e3-1b47-43ca-b35d-9b18e7071685 ec800a6c74bf48edbf090889cc51a7b0 9af33b125f354c8aa82e60a736bce9cf - - 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 c32ee46e-4ebc-4803-9731-18e945983896.