+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-16 10:29:32.119 1 INFO nova.utils [None req-21e405f5-ab28-4659-855e-4c2b7c82c23e - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-16 10:29:32.289 1 INFO nova.utils [None req-21e405f5-ab28-4659-855e-4c2b7c82c23e - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-16 10:29:33.289 1 INFO nova.utils [None req-21e405f5-ab28-4659-855e-4c2b7c82c23e - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-16 10:29:33.292 1 WARNING oslo_service.backend._threading.service [None req-21e405f5-ab28-4659-855e-4c2b7c82c23e - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-16 10:29:33.302 1 WARNING oslo_config.cfg [None req-21e405f5-ab28-4659-855e-4c2b7c82c23e - - - - - -] 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.
2026-07-16 10:29:33.346 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-16 10:29:33.359 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-16 11:11:59.763 10 INFO nova.utils [None req-bfa201b5-3a37-4fce-90ef-27eb872a903b cec620c1680c4671946e85e41870660e 030bd06bd2ce4e3985b8b365fb66627e - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-16 11:11:59.899 10 INFO nova.compute.rpcapi [None req-947cf790-9990-4f31-971e-6ef6794d9638 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-16 11:12:19.109 10 ERROR nova.scheduler.utils [None req-bfa201b5-3a37-4fce-90ef-27eb872a903b cec620c1680c4671946e85e41870660e 030bd06bd2ce4e3985b8b365fb66627e - - default default] [instance: 9e4ba6d2-5935-4476-8a56-4f56d7ef2d48] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 9e4ba6d2-5935-4476-8a56-4f56d7ef2d48 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:12:19.111 10 WARNING nova.scheduler.utils [None req-bfa201b5-3a37-4fce-90ef-27eb872a903b cec620c1680c4671946e85e41870660e 030bd06bd2ce4e3985b8b365fb66627e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9e4ba6d2-5935-4476-8a56-4f56d7ef2d48.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9e4ba6d2-5935-4476-8a56-4f56d7ef2d48.
2026-07-16 11:12:19.111 10 WARNING nova.scheduler.utils [None req-bfa201b5-3a37-4fce-90ef-27eb872a903b cec620c1680c4671946e85e41870660e 030bd06bd2ce4e3985b8b365fb66627e - - default default] [instance: 9e4ba6d2-5935-4476-8a56-4f56d7ef2d48] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9e4ba6d2-5935-4476-8a56-4f56d7ef2d48.
2026-07-16 11:12:19.216 12 INFO nova.utils [None req-34f53f4d-6409-4d0e-82d3-ab013726cf0e 5a71c0336c1a4eafae98bb526a6afd1e 6f33a890e96742e3baad6deaeae749e1 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-16 11:12:19.219 10 WARNING neutronclient.v2_0.client [None req-bfa201b5-3a37-4fce-90ef-27eb872a903b cec620c1680c4671946e85e41870660e 030bd06bd2ce4e3985b8b365fb66627e - - 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 9e4ba6d2-5935-4476-8a56-4f56d7ef2d48.
2026-07-16 11:12:19.383 12 INFO nova.compute.rpcapi [None req-0ae1c70e-55cd-4af6-b6f3-5da8471d4d65 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-16 11:12:19.616 10 WARNING neutronclient.v2_0.client [None req-bfa201b5-3a37-4fce-90ef-27eb872a903b cec620c1680c4671946e85e41870660e 030bd06bd2ce4e3985b8b365fb66627e - - 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 9e4ba6d2-5935-4476-8a56-4f56d7ef2d48.
2026-07-16 11:12:24.882 12 ERROR nova.scheduler.utils [None req-11b015d6-bb3d-41e5-a1bd-5c3ad8247147 f2fcc018fb2b4f92bffae2a66b386fd5 2124aa31adb04518956b69ac4a4bd2e1 - - default default] [instance: d2b51044-1c16-4a9e-b075-5a9961e8a3ae] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 d2b51044-1c16-4a9e-b075-5a9961e8a3ae was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:12:24.883 12 WARNING nova.scheduler.utils [None req-11b015d6-bb3d-41e5-a1bd-5c3ad8247147 f2fcc018fb2b4f92bffae2a66b386fd5 2124aa31adb04518956b69ac4a4bd2e1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d2b51044-1c16-4a9e-b075-5a9961e8a3ae.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d2b51044-1c16-4a9e-b075-5a9961e8a3ae.
2026-07-16 11:12:24.883 12 WARNING nova.scheduler.utils [None req-11b015d6-bb3d-41e5-a1bd-5c3ad8247147 f2fcc018fb2b4f92bffae2a66b386fd5 2124aa31adb04518956b69ac4a4bd2e1 - - default default] [instance: d2b51044-1c16-4a9e-b075-5a9961e8a3ae] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d2b51044-1c16-4a9e-b075-5a9961e8a3ae.
2026-07-16 11:12:25.002 12 WARNING neutronclient.v2_0.client [None req-11b015d6-bb3d-41e5-a1bd-5c3ad8247147 f2fcc018fb2b4f92bffae2a66b386fd5 2124aa31adb04518956b69ac4a4bd2e1 - - 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 d2b51044-1c16-4a9e-b075-5a9961e8a3ae.
2026-07-16 11:12:25.541 12 WARNING neutronclient.v2_0.client [None req-11b015d6-bb3d-41e5-a1bd-5c3ad8247147 f2fcc018fb2b4f92bffae2a66b386fd5 2124aa31adb04518956b69ac4a4bd2e1 - - 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 d2b51044-1c16-4a9e-b075-5a9961e8a3ae.
2026-07-16 11:12:32.199 10 ERROR nova.scheduler.utils [None req-504a486c-3772-4f57-8a8b-59dd0e60f10f 281e5de02e51499da92a387b68ca616b 77a1d3101fe64fd08b5fbf27c3a61519 - - default default] [instance: 204f29d3-eec6-4502-a16a-ec42e65f562c] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 204f29d3-eec6-4502-a16a-ec42e65f562c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:12:32.200 10 WARNING nova.scheduler.utils [None req-504a486c-3772-4f57-8a8b-59dd0e60f10f 281e5de02e51499da92a387b68ca616b 77a1d3101fe64fd08b5fbf27c3a61519 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 204f29d3-eec6-4502-a16a-ec42e65f562c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 204f29d3-eec6-4502-a16a-ec42e65f562c.
2026-07-16 11:12:32.200 10 WARNING nova.scheduler.utils [None req-504a486c-3772-4f57-8a8b-59dd0e60f10f 281e5de02e51499da92a387b68ca616b 77a1d3101fe64fd08b5fbf27c3a61519 - - default default] [instance: 204f29d3-eec6-4502-a16a-ec42e65f562c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 204f29d3-eec6-4502-a16a-ec42e65f562c.
2026-07-16 11:12:32.266 10 WARNING neutronclient.v2_0.client [None req-504a486c-3772-4f57-8a8b-59dd0e60f10f 281e5de02e51499da92a387b68ca616b 77a1d3101fe64fd08b5fbf27c3a61519 - - 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 204f29d3-eec6-4502-a16a-ec42e65f562c.
2026-07-16 11:12:32.304 10 WARNING neutronclient.v2_0.client [None req-504a486c-3772-4f57-8a8b-59dd0e60f10f 281e5de02e51499da92a387b68ca616b 77a1d3101fe64fd08b5fbf27c3a61519 - - 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 204f29d3-eec6-4502-a16a-ec42e65f562c.
2026-07-16 11:12:39.492 12 ERROR nova.scheduler.utils [None req-34f53f4d-6409-4d0e-82d3-ab013726cf0e 5a71c0336c1a4eafae98bb526a6afd1e 6f33a890e96742e3baad6deaeae749e1 - - default default] [instance: f6797b2b-94b7-49a0-b06f-588922220499] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 f6797b2b-94b7-49a0-b06f-588922220499 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:12:39.497 12 WARNING nova.scheduler.utils [None req-34f53f4d-6409-4d0e-82d3-ab013726cf0e 5a71c0336c1a4eafae98bb526a6afd1e 6f33a890e96742e3baad6deaeae749e1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f6797b2b-94b7-49a0-b06f-588922220499.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f6797b2b-94b7-49a0-b06f-588922220499.
2026-07-16 11:12:39.497 12 WARNING nova.scheduler.utils [None req-34f53f4d-6409-4d0e-82d3-ab013726cf0e 5a71c0336c1a4eafae98bb526a6afd1e 6f33a890e96742e3baad6deaeae749e1 - - default default] [instance: f6797b2b-94b7-49a0-b06f-588922220499] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f6797b2b-94b7-49a0-b06f-588922220499.
2026-07-16 11:12:39.562 12 WARNING neutronclient.v2_0.client [None req-34f53f4d-6409-4d0e-82d3-ab013726cf0e 5a71c0336c1a4eafae98bb526a6afd1e 6f33a890e96742e3baad6deaeae749e1 - - 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 f6797b2b-94b7-49a0-b06f-588922220499.
2026-07-16 11:12:39.762 12 WARNING neutronclient.v2_0.client [None req-34f53f4d-6409-4d0e-82d3-ab013726cf0e 5a71c0336c1a4eafae98bb526a6afd1e 6f33a890e96742e3baad6deaeae749e1 - - 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 f6797b2b-94b7-49a0-b06f-588922220499.
2026-07-16 11:12:49.527 10 ERROR nova.scheduler.utils [None req-eb1545b7-c20a-4fae-8ccf-aab7fe5dcbf0 cf035ca4810947cbaabcddb38b34094a eacd5cf0cf3147eba800a6b193987198 - - default default] [instance: bddff0f9-b65b-43c2-86b5-e7ae76e2765a] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 bddff0f9-b65b-43c2-86b5-e7ae76e2765a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:12:49.529 10 WARNING nova.scheduler.utils [None req-eb1545b7-c20a-4fae-8ccf-aab7fe5dcbf0 cf035ca4810947cbaabcddb38b34094a eacd5cf0cf3147eba800a6b193987198 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bddff0f9-b65b-43c2-86b5-e7ae76e2765a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bddff0f9-b65b-43c2-86b5-e7ae76e2765a.
2026-07-16 11:12:49.529 10 WARNING nova.scheduler.utils [None req-eb1545b7-c20a-4fae-8ccf-aab7fe5dcbf0 cf035ca4810947cbaabcddb38b34094a eacd5cf0cf3147eba800a6b193987198 - - default default] [instance: bddff0f9-b65b-43c2-86b5-e7ae76e2765a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bddff0f9-b65b-43c2-86b5-e7ae76e2765a.
2026-07-16 11:12:49.573 10 WARNING neutronclient.v2_0.client [None req-eb1545b7-c20a-4fae-8ccf-aab7fe5dcbf0 cf035ca4810947cbaabcddb38b34094a eacd5cf0cf3147eba800a6b193987198 - - 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 bddff0f9-b65b-43c2-86b5-e7ae76e2765a.
2026-07-16 11:12:49.603 10 WARNING neutronclient.v2_0.client [None req-eb1545b7-c20a-4fae-8ccf-aab7fe5dcbf0 cf035ca4810947cbaabcddb38b34094a eacd5cf0cf3147eba800a6b193987198 - - 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 bddff0f9-b65b-43c2-86b5-e7ae76e2765a.
2026-07-16 11:12:56.011 12 ERROR nova.scheduler.utils [None req-005e7a42-6ccc-4963-b6dd-d0b8318e3155 0f8a01bd0d974f1cadc2dad87c28720c 2693e3de165e43a58ddb03b2c185b07b - - default default] [instance: 721d6fb6-ce84-4b27-8636-61418725d2f0] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 721d6fb6-ce84-4b27-8636-61418725d2f0 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:12:56.012 12 WARNING nova.scheduler.utils [None req-005e7a42-6ccc-4963-b6dd-d0b8318e3155 0f8a01bd0d974f1cadc2dad87c28720c 2693e3de165e43a58ddb03b2c185b07b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 721d6fb6-ce84-4b27-8636-61418725d2f0.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 721d6fb6-ce84-4b27-8636-61418725d2f0.
2026-07-16 11:12:56.013 12 WARNING nova.scheduler.utils [None req-005e7a42-6ccc-4963-b6dd-d0b8318e3155 0f8a01bd0d974f1cadc2dad87c28720c 2693e3de165e43a58ddb03b2c185b07b - - default default] [instance: 721d6fb6-ce84-4b27-8636-61418725d2f0] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 721d6fb6-ce84-4b27-8636-61418725d2f0.
2026-07-16 11:12:56.075 12 WARNING neutronclient.v2_0.client [None req-005e7a42-6ccc-4963-b6dd-d0b8318e3155 0f8a01bd0d974f1cadc2dad87c28720c 2693e3de165e43a58ddb03b2c185b07b - - 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 721d6fb6-ce84-4b27-8636-61418725d2f0.
2026-07-16 11:12:56.108 12 WARNING neutronclient.v2_0.client [None req-005e7a42-6ccc-4963-b6dd-d0b8318e3155 0f8a01bd0d974f1cadc2dad87c28720c 2693e3de165e43a58ddb03b2c185b07b - - 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 721d6fb6-ce84-4b27-8636-61418725d2f0.
2026-07-16 11:13:52.746 12 ERROR nova.scheduler.utils [None req-8eac3cf0-3111-4eff-b3f8-a53453802e04 b8c70bbaba7542c6bd3cf4f3381705b5 6d33a9f5925a4a0c94d088ca7c82ade3 - - default default] [instance: 012e0da8-6efe-4310-86cf-e91ca979c061] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 012e0da8-6efe-4310-86cf-e91ca979c061 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:13:52.747 12 WARNING nova.scheduler.utils [None req-8eac3cf0-3111-4eff-b3f8-a53453802e04 b8c70bbaba7542c6bd3cf4f3381705b5 6d33a9f5925a4a0c94d088ca7c82ade3 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 012e0da8-6efe-4310-86cf-e91ca979c061.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 012e0da8-6efe-4310-86cf-e91ca979c061.
2026-07-16 11:13:52.747 12 WARNING nova.scheduler.utils [None req-8eac3cf0-3111-4eff-b3f8-a53453802e04 b8c70bbaba7542c6bd3cf4f3381705b5 6d33a9f5925a4a0c94d088ca7c82ade3 - - default default] [instance: 012e0da8-6efe-4310-86cf-e91ca979c061] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 012e0da8-6efe-4310-86cf-e91ca979c061.
2026-07-16 11:13:52.796 12 WARNING neutronclient.v2_0.client [None req-8eac3cf0-3111-4eff-b3f8-a53453802e04 b8c70bbaba7542c6bd3cf4f3381705b5 6d33a9f5925a4a0c94d088ca7c82ade3 - - 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 012e0da8-6efe-4310-86cf-e91ca979c061.
2026-07-16 11:13:52.966 12 WARNING neutronclient.v2_0.client [None req-8eac3cf0-3111-4eff-b3f8-a53453802e04 b8c70bbaba7542c6bd3cf4f3381705b5 6d33a9f5925a4a0c94d088ca7c82ade3 - - 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 012e0da8-6efe-4310-86cf-e91ca979c061.
2026-07-16 11:15:09.675 12 ERROR nova.scheduler.utils [None req-5f3ce579-d592-42b4-aecf-77c7c3465af2 143a678a0bc1466abdb0e0381002a259 6e54218ff207423f9303e91254f5d024 - - default default] [instance: 313c1050-413d-4df1-88fc-ebed6cdce0c8] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 313c1050-413d-4df1-88fc-ebed6cdce0c8 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:15:09.675 12 WARNING nova.scheduler.utils [None req-5f3ce579-d592-42b4-aecf-77c7c3465af2 143a678a0bc1466abdb0e0381002a259 6e54218ff207423f9303e91254f5d024 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 313c1050-413d-4df1-88fc-ebed6cdce0c8.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 313c1050-413d-4df1-88fc-ebed6cdce0c8.
2026-07-16 11:15:09.675 12 WARNING nova.scheduler.utils [None req-5f3ce579-d592-42b4-aecf-77c7c3465af2 143a678a0bc1466abdb0e0381002a259 6e54218ff207423f9303e91254f5d024 - - default default] [instance: 313c1050-413d-4df1-88fc-ebed6cdce0c8] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 313c1050-413d-4df1-88fc-ebed6cdce0c8.
2026-07-16 11:15:09.756 12 WARNING neutronclient.v2_0.client [None req-5f3ce579-d592-42b4-aecf-77c7c3465af2 143a678a0bc1466abdb0e0381002a259 6e54218ff207423f9303e91254f5d024 - - 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 313c1050-413d-4df1-88fc-ebed6cdce0c8.
2026-07-16 11:15:09.795 12 WARNING neutronclient.v2_0.client [None req-5f3ce579-d592-42b4-aecf-77c7c3465af2 143a678a0bc1466abdb0e0381002a259 6e54218ff207423f9303e91254f5d024 - - 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 313c1050-413d-4df1-88fc-ebed6cdce0c8.
2026-07-16 11:15:54.481 10 ERROR nova.scheduler.utils [None req-110a6ea8-387f-4b37-a294-42a29481c365 59e93720bd1c405eae1407817d48d782 d16b03c32fe641f8b19dd2b1d123b442 - - default default] [instance: 25ef2500-d4c0-4343-8881-4d3cdddefef6] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 25ef2500-d4c0-4343-8881-4d3cdddefef6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:15:54.482 10 WARNING nova.scheduler.utils [None req-110a6ea8-387f-4b37-a294-42a29481c365 59e93720bd1c405eae1407817d48d782 d16b03c32fe641f8b19dd2b1d123b442 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 25ef2500-d4c0-4343-8881-4d3cdddefef6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 25ef2500-d4c0-4343-8881-4d3cdddefef6.
2026-07-16 11:15:54.483 10 WARNING nova.scheduler.utils [None req-110a6ea8-387f-4b37-a294-42a29481c365 59e93720bd1c405eae1407817d48d782 d16b03c32fe641f8b19dd2b1d123b442 - - default default] [instance: 25ef2500-d4c0-4343-8881-4d3cdddefef6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 25ef2500-d4c0-4343-8881-4d3cdddefef6.
2026-07-16 11:15:54.526 10 WARNING neutronclient.v2_0.client [None req-110a6ea8-387f-4b37-a294-42a29481c365 59e93720bd1c405eae1407817d48d782 d16b03c32fe641f8b19dd2b1d123b442 - - 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 25ef2500-d4c0-4343-8881-4d3cdddefef6.
2026-07-16 11:15:54.556 10 WARNING neutronclient.v2_0.client [None req-110a6ea8-387f-4b37-a294-42a29481c365 59e93720bd1c405eae1407817d48d782 d16b03c32fe641f8b19dd2b1d123b442 - - 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 25ef2500-d4c0-4343-8881-4d3cdddefef6.
2026-07-16 11:16:31.881 10 ERROR nova.scheduler.utils [None req-c438b661-4605-47ca-96a8-f18aabb09de5 023cfdc5006e4bf295b80e2ba1aaa219 a506127f8326416c8422873409e1dfc0 - - default default] [instance: 457fb695-35fe-4126-97d8-55570c92cac8] 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 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 457fb695-35fe-4126-97d8-55570c92cac8 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 11:16:31.882 10 WARNING nova.scheduler.utils [None req-c438b661-4605-47ca-96a8-f18aabb09de5 023cfdc5006e4bf295b80e2ba1aaa219 a506127f8326416c8422873409e1dfc0 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 457fb695-35fe-4126-97d8-55570c92cac8.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 457fb695-35fe-4126-97d8-55570c92cac8.
2026-07-16 11:16:31.882 10 WARNING nova.scheduler.utils [None req-c438b661-4605-47ca-96a8-f18aabb09de5 023cfdc5006e4bf295b80e2ba1aaa219 a506127f8326416c8422873409e1dfc0 - - default default] [instance: 457fb695-35fe-4126-97d8-55570c92cac8] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 457fb695-35fe-4126-97d8-55570c92cac8.
2026-07-16 11:16:31.931 10 WARNING neutronclient.v2_0.client [None req-c438b661-4605-47ca-96a8-f18aabb09de5 023cfdc5006e4bf295b80e2ba1aaa219 a506127f8326416c8422873409e1dfc0 - - 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 457fb695-35fe-4126-97d8-55570c92cac8.
2026-07-16 11:16:31.963 10 WARNING neutronclient.v2_0.client [None req-c438b661-4605-47ca-96a8-f18aabb09de5 023cfdc5006e4bf295b80e2ba1aaa219 a506127f8326416c8422873409e1dfc0 - - 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 457fb695-35fe-4126-97d8-55570c92cac8.