+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-20 19:37:23.402 1 INFO nova.utils [None req-51b94c81-1555-4800-8959-8ecdfa7d3177 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-20 19:37:23.679 1 INFO nova.utils [None req-51b94c81-1555-4800-8959-8ecdfa7d3177 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-20 19:37:24.678 1 INFO nova.utils [None req-51b94c81-1555-4800-8959-8ecdfa7d3177 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-20 19:37:24.681 1 WARNING oslo_service.backend._threading.service [None req-51b94c81-1555-4800-8959-8ecdfa7d3177 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-20 19:37:24.697 1 WARNING oslo_config.cfg [None req-51b94c81-1555-4800-8959-8ecdfa7d3177 - - - - - -] 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.
2026-07-20 19:37:24.757 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-20 19:37:24.777 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-20 20:22:00.508 12 INFO nova.utils [None req-8a1d50e5-cfee-4a51-a416-04772a850447 0af80247b10b4f72829b607bc524757a 9081312b916c45c5a09b1889f6af87d2 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-20 20:22:00.697 12 INFO nova.compute.rpcapi [None req-98b08e18-5f8f-4f47-a659-380ea581d417 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-20 20:22:20.336 10 INFO nova.utils [None req-07b1c64f-7880-4682-be1e-bca0ca114fe8 dbcf06842bc94dd5a8f67ec048b8b3ee f8859f2cd39b406f8f8a5a2c260c1de7 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-20 20:22:20.502 10 INFO nova.compute.rpcapi [None req-5bc46a40-2abd-4f44-b5fb-e2338457869a - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-20 20:22:23.154 12 ERROR nova.scheduler.utils [None req-8a1d50e5-cfee-4a51-a416-04772a850447 0af80247b10b4f72829b607bc524757a 9081312b916c45c5a09b1889f6af87d2 - - default default] [instance: 0cb494d4-4e2d-43fe-84b2-5cddc01b17c7] 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 2723, 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 2538, 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 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 0cb494d4-4e2d-43fe-84b2-5cddc01b17c7 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:22:23.156 12 WARNING nova.scheduler.utils [None req-8a1d50e5-cfee-4a51-a416-04772a850447 0af80247b10b4f72829b607bc524757a 9081312b916c45c5a09b1889f6af87d2 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0cb494d4-4e2d-43fe-84b2-5cddc01b17c7.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0cb494d4-4e2d-43fe-84b2-5cddc01b17c7.
2026-07-20 20:22:23.156 12 WARNING nova.scheduler.utils [None req-8a1d50e5-cfee-4a51-a416-04772a850447 0af80247b10b4f72829b607bc524757a 9081312b916c45c5a09b1889f6af87d2 - - default default] [instance: 0cb494d4-4e2d-43fe-84b2-5cddc01b17c7] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0cb494d4-4e2d-43fe-84b2-5cddc01b17c7.
2026-07-20 20:22:23.265 12 WARNING neutronclient.v2_0.client [None req-8a1d50e5-cfee-4a51-a416-04772a850447 0af80247b10b4f72829b607bc524757a 9081312b916c45c5a09b1889f6af87d2 - - 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 0cb494d4-4e2d-43fe-84b2-5cddc01b17c7.
2026-07-20 20:22:23.690 12 WARNING neutronclient.v2_0.client [None req-8a1d50e5-cfee-4a51-a416-04772a850447 0af80247b10b4f72829b607bc524757a 9081312b916c45c5a09b1889f6af87d2 - - 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 0cb494d4-4e2d-43fe-84b2-5cddc01b17c7.
2026-07-20 20:22:30.510 10 ERROR nova.scheduler.utils [None req-b4882b7f-c2ca-4b15-bb21-9c0d7696e469 a930f5b6257148f1b20e2598c137ad3f d769b230cf184103bb1b8d622dc76168 - - default default] [instance: 4f072c06-3474-480d-96de-875ae77588c0] 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 2723, 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 2538, 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 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 4f072c06-3474-480d-96de-875ae77588c0 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:22:30.512 10 WARNING nova.scheduler.utils [None req-b4882b7f-c2ca-4b15-bb21-9c0d7696e469 a930f5b6257148f1b20e2598c137ad3f d769b230cf184103bb1b8d622dc76168 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4f072c06-3474-480d-96de-875ae77588c0.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4f072c06-3474-480d-96de-875ae77588c0.
2026-07-20 20:22:30.514 10 WARNING nova.scheduler.utils [None req-b4882b7f-c2ca-4b15-bb21-9c0d7696e469 a930f5b6257148f1b20e2598c137ad3f d769b230cf184103bb1b8d622dc76168 - - default default] [instance: 4f072c06-3474-480d-96de-875ae77588c0] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4f072c06-3474-480d-96de-875ae77588c0.
2026-07-20 20:22:30.627 10 WARNING neutronclient.v2_0.client [None req-b4882b7f-c2ca-4b15-bb21-9c0d7696e469 a930f5b6257148f1b20e2598c137ad3f d769b230cf184103bb1b8d622dc76168 - - 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 4f072c06-3474-480d-96de-875ae77588c0.
2026-07-20 20:22:31.287 10 WARNING neutronclient.v2_0.client [None req-b4882b7f-c2ca-4b15-bb21-9c0d7696e469 a930f5b6257148f1b20e2598c137ad3f d769b230cf184103bb1b8d622dc76168 - - 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 4f072c06-3474-480d-96de-875ae77588c0.
2026-07-20 20:22:36.617 12 ERROR nova.scheduler.utils [None req-99f8a96a-cf54-4e69-8ddb-0e900b3ecb3c de1aff00edfd4aeea414109587554a67 8261b95ff4f449538c94b1f27f48d9c1 - - default default] [instance: 2a9d46ac-be27-4bd0-8f16-1f63d965b541] 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 2723, 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 2538, 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 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 2a9d46ac-be27-4bd0-8f16-1f63d965b541 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:22:36.618 12 WARNING nova.scheduler.utils [None req-99f8a96a-cf54-4e69-8ddb-0e900b3ecb3c de1aff00edfd4aeea414109587554a67 8261b95ff4f449538c94b1f27f48d9c1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2a9d46ac-be27-4bd0-8f16-1f63d965b541.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2a9d46ac-be27-4bd0-8f16-1f63d965b541.
2026-07-20 20:22:36.618 12 WARNING nova.scheduler.utils [None req-99f8a96a-cf54-4e69-8ddb-0e900b3ecb3c de1aff00edfd4aeea414109587554a67 8261b95ff4f449538c94b1f27f48d9c1 - - default default] [instance: 2a9d46ac-be27-4bd0-8f16-1f63d965b541] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2a9d46ac-be27-4bd0-8f16-1f63d965b541.
2026-07-20 20:22:36.679 12 WARNING neutronclient.v2_0.client [None req-99f8a96a-cf54-4e69-8ddb-0e900b3ecb3c de1aff00edfd4aeea414109587554a67 8261b95ff4f449538c94b1f27f48d9c1 - - 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 2a9d46ac-be27-4bd0-8f16-1f63d965b541.
2026-07-20 20:22:37.928 12 WARNING neutronclient.v2_0.client [None req-99f8a96a-cf54-4e69-8ddb-0e900b3ecb3c de1aff00edfd4aeea414109587554a67 8261b95ff4f449538c94b1f27f48d9c1 - - 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 2a9d46ac-be27-4bd0-8f16-1f63d965b541.
2026-07-20 20:22:39.514 10 ERROR nova.scheduler.utils [None req-07b1c64f-7880-4682-be1e-bca0ca114fe8 dbcf06842bc94dd5a8f67ec048b8b3ee f8859f2cd39b406f8f8a5a2c260c1de7 - - default default] [instance: 767438ae-010b-4b0a-8934-6bcb6eccd0cc] 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 2723, 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 2538, 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 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 767438ae-010b-4b0a-8934-6bcb6eccd0cc was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:22:39.515 10 WARNING nova.scheduler.utils [None req-07b1c64f-7880-4682-be1e-bca0ca114fe8 dbcf06842bc94dd5a8f67ec048b8b3ee f8859f2cd39b406f8f8a5a2c260c1de7 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 767438ae-010b-4b0a-8934-6bcb6eccd0cc.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 767438ae-010b-4b0a-8934-6bcb6eccd0cc.
2026-07-20 20:22:39.515 10 WARNING nova.scheduler.utils [None req-07b1c64f-7880-4682-be1e-bca0ca114fe8 dbcf06842bc94dd5a8f67ec048b8b3ee f8859f2cd39b406f8f8a5a2c260c1de7 - - default default] [instance: 767438ae-010b-4b0a-8934-6bcb6eccd0cc] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 767438ae-010b-4b0a-8934-6bcb6eccd0cc.
2026-07-20 20:22:39.575 10 WARNING neutronclient.v2_0.client [None req-07b1c64f-7880-4682-be1e-bca0ca114fe8 dbcf06842bc94dd5a8f67ec048b8b3ee f8859f2cd39b406f8f8a5a2c260c1de7 - - 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 767438ae-010b-4b0a-8934-6bcb6eccd0cc.
2026-07-20 20:22:39.824 10 WARNING neutronclient.v2_0.client [None req-07b1c64f-7880-4682-be1e-bca0ca114fe8 dbcf06842bc94dd5a8f67ec048b8b3ee f8859f2cd39b406f8f8a5a2c260c1de7 - - 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 767438ae-010b-4b0a-8934-6bcb6eccd0cc.
2026-07-20 20:22:56.343 10 ERROR nova.scheduler.utils [None req-ef4ce0f6-d11b-4ccf-b164-4130ccac5d48 adce9f0a4f374f70bfb1192a66ee5296 cc5ecc57c2034b5a8f4b661da4abb935 - - default default] [instance: b36d50d5-642e-4cfe-be1e-2918078f8b65] 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 2723, 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 2538, 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 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance b36d50d5-642e-4cfe-be1e-2918078f8b65 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:22:56.345 10 WARNING nova.scheduler.utils [None req-ef4ce0f6-d11b-4ccf-b164-4130ccac5d48 adce9f0a4f374f70bfb1192a66ee5296 cc5ecc57c2034b5a8f4b661da4abb935 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b36d50d5-642e-4cfe-be1e-2918078f8b65.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b36d50d5-642e-4cfe-be1e-2918078f8b65.
2026-07-20 20:22:56.345 10 WARNING nova.scheduler.utils [None req-ef4ce0f6-d11b-4ccf-b164-4130ccac5d48 adce9f0a4f374f70bfb1192a66ee5296 cc5ecc57c2034b5a8f4b661da4abb935 - - default default] [instance: b36d50d5-642e-4cfe-be1e-2918078f8b65] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b36d50d5-642e-4cfe-be1e-2918078f8b65.
2026-07-20 20:22:56.398 10 WARNING neutronclient.v2_0.client [None req-ef4ce0f6-d11b-4ccf-b164-4130ccac5d48 adce9f0a4f374f70bfb1192a66ee5296 cc5ecc57c2034b5a8f4b661da4abb935 - - 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 b36d50d5-642e-4cfe-be1e-2918078f8b65.
2026-07-20 20:22:56.430 10 WARNING neutronclient.v2_0.client [None req-ef4ce0f6-d11b-4ccf-b164-4130ccac5d48 adce9f0a4f374f70bfb1192a66ee5296 cc5ecc57c2034b5a8f4b661da4abb935 - - 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 b36d50d5-642e-4cfe-be1e-2918078f8b65.
2026-07-20 20:23:10.157 10 ERROR nova.scheduler.utils [None req-720ec802-35cb-4d77-aada-edc3d10afe4c 2f3b420f54fe459389287f9d57e9f5b4 91d0bfc7a79b467296b0dd68737352a1 - - default default] [instance: d97d6eeb-8bf5-43d2-9179-40699532d502] 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 2723, 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 2538, 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 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d97d6eeb-8bf5-43d2-9179-40699532d502 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:23:10.159 10 WARNING nova.scheduler.utils [None req-720ec802-35cb-4d77-aada-edc3d10afe4c 2f3b420f54fe459389287f9d57e9f5b4 91d0bfc7a79b467296b0dd68737352a1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d97d6eeb-8bf5-43d2-9179-40699532d502.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d97d6eeb-8bf5-43d2-9179-40699532d502.
2026-07-20 20:23:10.159 10 WARNING nova.scheduler.utils [None req-720ec802-35cb-4d77-aada-edc3d10afe4c 2f3b420f54fe459389287f9d57e9f5b4 91d0bfc7a79b467296b0dd68737352a1 - - default default] [instance: d97d6eeb-8bf5-43d2-9179-40699532d502] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d97d6eeb-8bf5-43d2-9179-40699532d502.
2026-07-20 20:23:10.212 10 WARNING neutronclient.v2_0.client [None req-720ec802-35cb-4d77-aada-edc3d10afe4c 2f3b420f54fe459389287f9d57e9f5b4 91d0bfc7a79b467296b0dd68737352a1 - - 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 d97d6eeb-8bf5-43d2-9179-40699532d502.
2026-07-20 20:23:10.243 10 WARNING neutronclient.v2_0.client [None req-720ec802-35cb-4d77-aada-edc3d10afe4c 2f3b420f54fe459389287f9d57e9f5b4 91d0bfc7a79b467296b0dd68737352a1 - - 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 d97d6eeb-8bf5-43d2-9179-40699532d502.
2026-07-20 20:24:51.595 10 ERROR nova.scheduler.utils [None req-1354bdc9-6b25-477a-8d77-553c1244160d 55054b8e14b348d2a8822231c06c7c2e eaadb182d883428faf945115a5c8c97c - - default default] [instance: fc328809-f725-4591-bda0-d8e8ff06b9d9] 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 2723, 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 2538, 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 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance fc328809-f725-4591-bda0-d8e8ff06b9d9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:24:51.596 10 WARNING nova.scheduler.utils [None req-1354bdc9-6b25-477a-8d77-553c1244160d 55054b8e14b348d2a8822231c06c7c2e eaadb182d883428faf945115a5c8c97c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fc328809-f725-4591-bda0-d8e8ff06b9d9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fc328809-f725-4591-bda0-d8e8ff06b9d9.
2026-07-20 20:24:51.597 10 WARNING nova.scheduler.utils [None req-1354bdc9-6b25-477a-8d77-553c1244160d 55054b8e14b348d2a8822231c06c7c2e eaadb182d883428faf945115a5c8c97c - - default default] [instance: fc328809-f725-4591-bda0-d8e8ff06b9d9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fc328809-f725-4591-bda0-d8e8ff06b9d9.
2026-07-20 20:24:51.650 10 WARNING neutronclient.v2_0.client [None req-1354bdc9-6b25-477a-8d77-553c1244160d 55054b8e14b348d2a8822231c06c7c2e eaadb182d883428faf945115a5c8c97c - - 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 fc328809-f725-4591-bda0-d8e8ff06b9d9.
2026-07-20 20:24:51.698 10 WARNING neutronclient.v2_0.client [None req-1354bdc9-6b25-477a-8d77-553c1244160d 55054b8e14b348d2a8822231c06c7c2e eaadb182d883428faf945115a5c8c97c - - 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 fc328809-f725-4591-bda0-d8e8ff06b9d9.
2026-07-20 20:25:16.217 12 ERROR nova.scheduler.utils [None req-3203ce51-f450-4d64-ad96-6f20918f77b9 7ee13a1f4ecb4be98eaf42d7e4e4defc 0c91dee0dbba4209901ce5ac205c4376 - - default default] [instance: c194ad7d-618e-4496-ad98-b13418da08c5] 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 2723, 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 2538, 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 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance c194ad7d-618e-4496-ad98-b13418da08c5 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:25:16.219 12 WARNING nova.scheduler.utils [None req-3203ce51-f450-4d64-ad96-6f20918f77b9 7ee13a1f4ecb4be98eaf42d7e4e4defc 0c91dee0dbba4209901ce5ac205c4376 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c194ad7d-618e-4496-ad98-b13418da08c5.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c194ad7d-618e-4496-ad98-b13418da08c5.
2026-07-20 20:25:16.219 12 WARNING nova.scheduler.utils [None req-3203ce51-f450-4d64-ad96-6f20918f77b9 7ee13a1f4ecb4be98eaf42d7e4e4defc 0c91dee0dbba4209901ce5ac205c4376 - - default default] [instance: c194ad7d-618e-4496-ad98-b13418da08c5] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c194ad7d-618e-4496-ad98-b13418da08c5.
2026-07-20 20:25:16.284 12 WARNING neutronclient.v2_0.client [None req-3203ce51-f450-4d64-ad96-6f20918f77b9 7ee13a1f4ecb4be98eaf42d7e4e4defc 0c91dee0dbba4209901ce5ac205c4376 - - 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 c194ad7d-618e-4496-ad98-b13418da08c5.
2026-07-20 20:25:16.321 12 WARNING neutronclient.v2_0.client [None req-3203ce51-f450-4d64-ad96-6f20918f77b9 7ee13a1f4ecb4be98eaf42d7e4e4defc 0c91dee0dbba4209901ce5ac205c4376 - - 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 c194ad7d-618e-4496-ad98-b13418da08c5.
2026-07-20 20:25:17.779 12 ERROR nova.scheduler.utils [None req-3b5b9f38-80c7-4925-8005-41c4f9251e71 283a5d713cab4685a720e2650b17d2ac 2af954a04ced4ac19818f6770db247ce - - default default] [instance: 41e5e3a7-df69-48df-bcce-780d3dd19160] 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 2723, 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 2538, 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 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 41e5e3a7-df69-48df-bcce-780d3dd19160 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:25:17.779 12 WARNING nova.scheduler.utils [None req-3b5b9f38-80c7-4925-8005-41c4f9251e71 283a5d713cab4685a720e2650b17d2ac 2af954a04ced4ac19818f6770db247ce - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 41e5e3a7-df69-48df-bcce-780d3dd19160.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 41e5e3a7-df69-48df-bcce-780d3dd19160.
2026-07-20 20:25:17.780 12 WARNING nova.scheduler.utils [None req-3b5b9f38-80c7-4925-8005-41c4f9251e71 283a5d713cab4685a720e2650b17d2ac 2af954a04ced4ac19818f6770db247ce - - default default] [instance: 41e5e3a7-df69-48df-bcce-780d3dd19160] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 41e5e3a7-df69-48df-bcce-780d3dd19160.
2026-07-20 20:25:17.874 12 WARNING neutronclient.v2_0.client [None req-3b5b9f38-80c7-4925-8005-41c4f9251e71 283a5d713cab4685a720e2650b17d2ac 2af954a04ced4ac19818f6770db247ce - - 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 41e5e3a7-df69-48df-bcce-780d3dd19160.
2026-07-20 20:25:18.063 12 WARNING neutronclient.v2_0.client [None req-3b5b9f38-80c7-4925-8005-41c4f9251e71 283a5d713cab4685a720e2650b17d2ac 2af954a04ced4ac19818f6770db247ce - - 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 41e5e3a7-df69-48df-bcce-780d3dd19160.
2026-07-20 20:27:12.592 10 ERROR nova.scheduler.utils [None req-5167321d-f8c4-4796-a9e6-7ea0958cf675 5941e2889bde4f679c2c1b5c5ff3e9de d741ca67498b4cab81712cab85494f1d - - default default] [instance: b1022896-1d2d-43de-8c75-bef71f3e8b10] 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 2723, 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 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, 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 8583, 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 1650, 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 2538, 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 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance b1022896-1d2d-43de-8c75-bef71f3e8b10 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-20 20:27:12.593 10 WARNING nova.scheduler.utils [None req-5167321d-f8c4-4796-a9e6-7ea0958cf675 5941e2889bde4f679c2c1b5c5ff3e9de d741ca67498b4cab81712cab85494f1d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b1022896-1d2d-43de-8c75-bef71f3e8b10.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b1022896-1d2d-43de-8c75-bef71f3e8b10.
2026-07-20 20:27:12.593 10 WARNING nova.scheduler.utils [None req-5167321d-f8c4-4796-a9e6-7ea0958cf675 5941e2889bde4f679c2c1b5c5ff3e9de d741ca67498b4cab81712cab85494f1d - - default default] [instance: b1022896-1d2d-43de-8c75-bef71f3e8b10] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b1022896-1d2d-43de-8c75-bef71f3e8b10.
2026-07-20 20:27:12.635 10 WARNING neutronclient.v2_0.client [None req-5167321d-f8c4-4796-a9e6-7ea0958cf675 5941e2889bde4f679c2c1b5c5ff3e9de d741ca67498b4cab81712cab85494f1d - - 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 b1022896-1d2d-43de-8c75-bef71f3e8b10.
2026-07-20 20:27:12.666 10 WARNING neutronclient.v2_0.client [None req-5167321d-f8c4-4796-a9e6-7ea0958cf675 5941e2889bde4f679c2c1b5c5ff3e9de d741ca67498b4cab81712cab85494f1d - - 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 b1022896-1d2d-43de-8c75-bef71f3e8b10.