+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-09 17:17:12.800 1 INFO nova.utils [None req-eb134568-2e02-4486-947d-64e53c9a408d - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-09 17:17:13.008 1 INFO nova.utils [None req-eb134568-2e02-4486-947d-64e53c9a408d - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-09 17:17:14.008 1 INFO nova.utils [None req-eb134568-2e02-4486-947d-64e53c9a408d - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-09 17:17:14.011 1 WARNING oslo_service.backend._threading.service [None req-eb134568-2e02-4486-947d-64e53c9a408d - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-09 17:17:14.019 1 WARNING oslo_config.cfg [None req-eb134568-2e02-4486-947d-64e53c9a408d - - - - - -] 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. 2026-07-09 17:17:14.074 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-09 17:17:14.086 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-09 17:59:05.235 10 INFO nova.utils [None req-8d2dc8f5-908e-425f-94d4-3a713e88418a b6c6e44164414960bcd53d9a2aeaf7f7 58e203ccc4214b2b80158a46830ef763 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-09 17:59:05.473 10 INFO nova.compute.rpcapi [None req-8d51124d-a2c4-4fb7-9eba-421289e7e675 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-09 17:59:23.356 10 ERROR nova.scheduler.utils [None req-8d2dc8f5-908e-425f-94d4-3a713e88418a b6c6e44164414960bcd53d9a2aeaf7f7 58e203ccc4214b2b80158a46830ef763 - - default default] [instance: 8ec32c25-955c-4fa8-958a-ae52464a995f] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 8ec32c25-955c-4fa8-958a-ae52464a995f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 17:59:23.357 10 WARNING nova.scheduler.utils [None req-8d2dc8f5-908e-425f-94d4-3a713e88418a b6c6e44164414960bcd53d9a2aeaf7f7 58e203ccc4214b2b80158a46830ef763 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8ec32c25-955c-4fa8-958a-ae52464a995f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8ec32c25-955c-4fa8-958a-ae52464a995f. 2026-07-09 17:59:23.357 10 WARNING nova.scheduler.utils [None req-8d2dc8f5-908e-425f-94d4-3a713e88418a b6c6e44164414960bcd53d9a2aeaf7f7 58e203ccc4214b2b80158a46830ef763 - - default default] [instance: 8ec32c25-955c-4fa8-958a-ae52464a995f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8ec32c25-955c-4fa8-958a-ae52464a995f. 2026-07-09 17:59:23.512 10 WARNING neutronclient.v2_0.client [None req-8d2dc8f5-908e-425f-94d4-3a713e88418a b6c6e44164414960bcd53d9a2aeaf7f7 58e203ccc4214b2b80158a46830ef763 - - 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 8ec32c25-955c-4fa8-958a-ae52464a995f. 2026-07-09 17:59:24.195 10 WARNING neutronclient.v2_0.client [None req-8d2dc8f5-908e-425f-94d4-3a713e88418a b6c6e44164414960bcd53d9a2aeaf7f7 58e203ccc4214b2b80158a46830ef763 - - 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 8ec32c25-955c-4fa8-958a-ae52464a995f. 2026-07-09 17:59:27.402 12 ERROR nova.scheduler.utils [None req-64c167f8-6ec0-4132-bc8a-ee908564e502 f78f1d005f724880b1e1f457aa383177 b1b6088823af445da6afa8cbcca5c874 - - default default] [instance: 82c32a9d-26ac-4f94-971d-c0164a47fb1d] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 82c32a9d-26ac-4f94-971d-c0164a47fb1d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 17:59:27.404 12 WARNING nova.scheduler.utils [None req-64c167f8-6ec0-4132-bc8a-ee908564e502 f78f1d005f724880b1e1f457aa383177 b1b6088823af445da6afa8cbcca5c874 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 82c32a9d-26ac-4f94-971d-c0164a47fb1d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 82c32a9d-26ac-4f94-971d-c0164a47fb1d. 2026-07-09 17:59:27.404 12 WARNING nova.scheduler.utils [None req-64c167f8-6ec0-4132-bc8a-ee908564e502 f78f1d005f724880b1e1f457aa383177 b1b6088823af445da6afa8cbcca5c874 - - default default] [instance: 82c32a9d-26ac-4f94-971d-c0164a47fb1d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 82c32a9d-26ac-4f94-971d-c0164a47fb1d. 2026-07-09 17:59:27.497 12 WARNING neutronclient.v2_0.client [None req-64c167f8-6ec0-4132-bc8a-ee908564e502 f78f1d005f724880b1e1f457aa383177 b1b6088823af445da6afa8cbcca5c874 - - 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 82c32a9d-26ac-4f94-971d-c0164a47fb1d. 2026-07-09 17:59:28.174 12 WARNING neutronclient.v2_0.client [None req-64c167f8-6ec0-4132-bc8a-ee908564e502 f78f1d005f724880b1e1f457aa383177 b1b6088823af445da6afa8cbcca5c874 - - 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 82c32a9d-26ac-4f94-971d-c0164a47fb1d. 2026-07-09 17:59:34.154 12 ERROR nova.scheduler.utils [None req-e2b787f2-6097-45d5-a9a3-ee83443e4046 d4d4ae7661e84a1496a7373651af6ae1 9d54923a5d9d44dc8621e49238a0f3bc - - default default] [instance: 6f42a39c-03c8-4325-9364-d9882eaef3e7] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 6f42a39c-03c8-4325-9364-d9882eaef3e7 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 17:59:34.155 12 WARNING nova.scheduler.utils [None req-e2b787f2-6097-45d5-a9a3-ee83443e4046 d4d4ae7661e84a1496a7373651af6ae1 9d54923a5d9d44dc8621e49238a0f3bc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6f42a39c-03c8-4325-9364-d9882eaef3e7.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6f42a39c-03c8-4325-9364-d9882eaef3e7. 2026-07-09 17:59:34.155 12 WARNING nova.scheduler.utils [None req-e2b787f2-6097-45d5-a9a3-ee83443e4046 d4d4ae7661e84a1496a7373651af6ae1 9d54923a5d9d44dc8621e49238a0f3bc - - default default] [instance: 6f42a39c-03c8-4325-9364-d9882eaef3e7] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6f42a39c-03c8-4325-9364-d9882eaef3e7. 2026-07-09 17:59:34.194 12 WARNING neutronclient.v2_0.client [None req-e2b787f2-6097-45d5-a9a3-ee83443e4046 d4d4ae7661e84a1496a7373651af6ae1 9d54923a5d9d44dc8621e49238a0f3bc - - 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 6f42a39c-03c8-4325-9364-d9882eaef3e7. 2026-07-09 17:59:34.223 12 WARNING neutronclient.v2_0.client [None req-e2b787f2-6097-45d5-a9a3-ee83443e4046 d4d4ae7661e84a1496a7373651af6ae1 9d54923a5d9d44dc8621e49238a0f3bc - - 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 6f42a39c-03c8-4325-9364-d9882eaef3e7. 2026-07-09 17:59:50.758 12 INFO nova.utils [None req-56c0e9bb-bf9a-40d7-80df-03a95a5ff69f c6a5b2c631934793be8ae1743387152d 87f43bd663a840fdb1eae0462177eaf0 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-09 17:59:50.923 12 INFO nova.compute.rpcapi [None req-d108ba5b-5f1c-4ab3-818c-c6a81fb5bab9 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-09 17:59:53.897 10 ERROR nova.scheduler.utils [None req-c8c31d7e-644f-40c8-8d1c-60bcd80c78ca 7bba5c9cafdb4eb3848475e643eb00b5 3efb038c7d9145f19c663844dc384d5e - - default default] [instance: 792cebfd-220c-4a1f-b56d-221d657dcee2] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 792cebfd-220c-4a1f-b56d-221d657dcee2 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 17:59:53.899 10 WARNING nova.scheduler.utils [None req-c8c31d7e-644f-40c8-8d1c-60bcd80c78ca 7bba5c9cafdb4eb3848475e643eb00b5 3efb038c7d9145f19c663844dc384d5e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 792cebfd-220c-4a1f-b56d-221d657dcee2.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 792cebfd-220c-4a1f-b56d-221d657dcee2. 2026-07-09 17:59:53.900 10 WARNING nova.scheduler.utils [None req-c8c31d7e-644f-40c8-8d1c-60bcd80c78ca 7bba5c9cafdb4eb3848475e643eb00b5 3efb038c7d9145f19c663844dc384d5e - - default default] [instance: 792cebfd-220c-4a1f-b56d-221d657dcee2] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 792cebfd-220c-4a1f-b56d-221d657dcee2. 2026-07-09 17:59:53.956 10 WARNING neutronclient.v2_0.client [None req-c8c31d7e-644f-40c8-8d1c-60bcd80c78ca 7bba5c9cafdb4eb3848475e643eb00b5 3efb038c7d9145f19c663844dc384d5e - - 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 792cebfd-220c-4a1f-b56d-221d657dcee2. 2026-07-09 17:59:53.989 10 WARNING neutronclient.v2_0.client [None req-c8c31d7e-644f-40c8-8d1c-60bcd80c78ca 7bba5c9cafdb4eb3848475e643eb00b5 3efb038c7d9145f19c663844dc384d5e - - 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 792cebfd-220c-4a1f-b56d-221d657dcee2. 2026-07-09 18:00:05.754 12 ERROR nova.scheduler.utils [None req-56c0e9bb-bf9a-40d7-80df-03a95a5ff69f c6a5b2c631934793be8ae1743387152d 87f43bd663a840fdb1eae0462177eaf0 - - default default] [instance: 0874b045-1883-443a-a416-1c89809d1716] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 0874b045-1883-443a-a416-1c89809d1716 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 18:00:05.756 12 WARNING nova.scheduler.utils [None req-56c0e9bb-bf9a-40d7-80df-03a95a5ff69f c6a5b2c631934793be8ae1743387152d 87f43bd663a840fdb1eae0462177eaf0 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0874b045-1883-443a-a416-1c89809d1716.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0874b045-1883-443a-a416-1c89809d1716. 2026-07-09 18:00:05.757 12 WARNING nova.scheduler.utils [None req-56c0e9bb-bf9a-40d7-80df-03a95a5ff69f c6a5b2c631934793be8ae1743387152d 87f43bd663a840fdb1eae0462177eaf0 - - default default] [instance: 0874b045-1883-443a-a416-1c89809d1716] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0874b045-1883-443a-a416-1c89809d1716. 2026-07-09 18:00:05.819 12 WARNING neutronclient.v2_0.client [None req-56c0e9bb-bf9a-40d7-80df-03a95a5ff69f c6a5b2c631934793be8ae1743387152d 87f43bd663a840fdb1eae0462177eaf0 - - 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 0874b045-1883-443a-a416-1c89809d1716. 2026-07-09 18:00:05.856 12 WARNING neutronclient.v2_0.client [None req-56c0e9bb-bf9a-40d7-80df-03a95a5ff69f c6a5b2c631934793be8ae1743387152d 87f43bd663a840fdb1eae0462177eaf0 - - 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 0874b045-1883-443a-a416-1c89809d1716. 2026-07-09 18:00:23.795 12 ERROR nova.scheduler.utils [None req-adc76d41-a592-4b98-a993-54728c479659 6e1bbeea5ea44bb0a4861b130ca034f6 0bc51b4a239e4cc2bd4c2aa3d0616ad9 - - default default] [instance: 15c7386d-12df-4f02-846c-df0c214e15b9] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 15c7386d-12df-4f02-846c-df0c214e15b9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 18:00:23.796 12 WARNING nova.scheduler.utils [None req-adc76d41-a592-4b98-a993-54728c479659 6e1bbeea5ea44bb0a4861b130ca034f6 0bc51b4a239e4cc2bd4c2aa3d0616ad9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 15c7386d-12df-4f02-846c-df0c214e15b9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 15c7386d-12df-4f02-846c-df0c214e15b9. 2026-07-09 18:00:23.796 12 WARNING nova.scheduler.utils [None req-adc76d41-a592-4b98-a993-54728c479659 6e1bbeea5ea44bb0a4861b130ca034f6 0bc51b4a239e4cc2bd4c2aa3d0616ad9 - - default default] [instance: 15c7386d-12df-4f02-846c-df0c214e15b9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 15c7386d-12df-4f02-846c-df0c214e15b9. 2026-07-09 18:00:23.849 12 WARNING neutronclient.v2_0.client [None req-adc76d41-a592-4b98-a993-54728c479659 6e1bbeea5ea44bb0a4861b130ca034f6 0bc51b4a239e4cc2bd4c2aa3d0616ad9 - - 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 15c7386d-12df-4f02-846c-df0c214e15b9. 2026-07-09 18:00:23.891 12 WARNING neutronclient.v2_0.client [None req-adc76d41-a592-4b98-a993-54728c479659 6e1bbeea5ea44bb0a4861b130ca034f6 0bc51b4a239e4cc2bd4c2aa3d0616ad9 - - 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 15c7386d-12df-4f02-846c-df0c214e15b9. 2026-07-09 18:00:36.889 10 ERROR nova.scheduler.utils [None req-f62f52d8-d7a9-4e6f-8b83-cc8a34648b4e f3c7a0f4263f41ea8146b959de579d6c 96507f441ae841c69e52a51ec8a911fe - - default default] [instance: 68a10caf-a603-449c-ab7a-3abc76789c9e] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 68a10caf-a603-449c-ab7a-3abc76789c9e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 18:00:36.894 10 WARNING nova.scheduler.utils [None req-f62f52d8-d7a9-4e6f-8b83-cc8a34648b4e f3c7a0f4263f41ea8146b959de579d6c 96507f441ae841c69e52a51ec8a911fe - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 68a10caf-a603-449c-ab7a-3abc76789c9e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 68a10caf-a603-449c-ab7a-3abc76789c9e. 2026-07-09 18:00:36.894 10 WARNING nova.scheduler.utils [None req-f62f52d8-d7a9-4e6f-8b83-cc8a34648b4e f3c7a0f4263f41ea8146b959de579d6c 96507f441ae841c69e52a51ec8a911fe - - default default] [instance: 68a10caf-a603-449c-ab7a-3abc76789c9e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 68a10caf-a603-449c-ab7a-3abc76789c9e. 2026-07-09 18:00:36.950 10 WARNING neutronclient.v2_0.client [None req-f62f52d8-d7a9-4e6f-8b83-cc8a34648b4e f3c7a0f4263f41ea8146b959de579d6c 96507f441ae841c69e52a51ec8a911fe - - 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 68a10caf-a603-449c-ab7a-3abc76789c9e. 2026-07-09 18:00:37.067 10 WARNING neutronclient.v2_0.client [None req-f62f52d8-d7a9-4e6f-8b83-cc8a34648b4e f3c7a0f4263f41ea8146b959de579d6c 96507f441ae841c69e52a51ec8a911fe - - 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 68a10caf-a603-449c-ab7a-3abc76789c9e. 2026-07-09 18:01:13.284 10 ERROR nova.scheduler.utils [None req-0faacf13-49a2-403b-8d42-a8b370d5177a b04faa7372684a059d4e5b7357f0be7e dfd9699e2dae42cea70cd80fa0092a8a - - default default] [instance: 8f9f81c3-b634-4b1c-90b6-ad77f8610eac] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 8f9f81c3-b634-4b1c-90b6-ad77f8610eac was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 18:01:13.285 10 WARNING nova.scheduler.utils [None req-0faacf13-49a2-403b-8d42-a8b370d5177a b04faa7372684a059d4e5b7357f0be7e dfd9699e2dae42cea70cd80fa0092a8a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8f9f81c3-b634-4b1c-90b6-ad77f8610eac.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8f9f81c3-b634-4b1c-90b6-ad77f8610eac. 2026-07-09 18:01:13.286 10 WARNING nova.scheduler.utils [None req-0faacf13-49a2-403b-8d42-a8b370d5177a b04faa7372684a059d4e5b7357f0be7e dfd9699e2dae42cea70cd80fa0092a8a - - default default] [instance: 8f9f81c3-b634-4b1c-90b6-ad77f8610eac] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8f9f81c3-b634-4b1c-90b6-ad77f8610eac. 2026-07-09 18:01:13.339 10 WARNING neutronclient.v2_0.client [None req-0faacf13-49a2-403b-8d42-a8b370d5177a b04faa7372684a059d4e5b7357f0be7e dfd9699e2dae42cea70cd80fa0092a8a - - 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 8f9f81c3-b634-4b1c-90b6-ad77f8610eac. 2026-07-09 18:01:13.758 10 WARNING neutronclient.v2_0.client [None req-0faacf13-49a2-403b-8d42-a8b370d5177a b04faa7372684a059d4e5b7357f0be7e dfd9699e2dae42cea70cd80fa0092a8a - - 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 8f9f81c3-b634-4b1c-90b6-ad77f8610eac. 2026-07-09 18:02:18.948 10 ERROR nova.scheduler.utils [None req-91727226-a21b-4705-a924-604415e596f3 fd3e50dbb54a4afbaa63467cf3595652 8ed65af028844f4d8f71d6c7a11dfa18 - - default default] [instance: 61b2589d-e926-414b-b1dc-d6ba3e8021fc] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 61b2589d-e926-414b-b1dc-d6ba3e8021fc was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 18:02:18.949 10 WARNING nova.scheduler.utils [None req-91727226-a21b-4705-a924-604415e596f3 fd3e50dbb54a4afbaa63467cf3595652 8ed65af028844f4d8f71d6c7a11dfa18 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 61b2589d-e926-414b-b1dc-d6ba3e8021fc.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 61b2589d-e926-414b-b1dc-d6ba3e8021fc. 2026-07-09 18:02:18.950 10 WARNING nova.scheduler.utils [None req-91727226-a21b-4705-a924-604415e596f3 fd3e50dbb54a4afbaa63467cf3595652 8ed65af028844f4d8f71d6c7a11dfa18 - - default default] [instance: 61b2589d-e926-414b-b1dc-d6ba3e8021fc] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 61b2589d-e926-414b-b1dc-d6ba3e8021fc. 2026-07-09 18:02:19.007 10 WARNING neutronclient.v2_0.client [None req-91727226-a21b-4705-a924-604415e596f3 fd3e50dbb54a4afbaa63467cf3595652 8ed65af028844f4d8f71d6c7a11dfa18 - - 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 61b2589d-e926-414b-b1dc-d6ba3e8021fc. 2026-07-09 18:02:19.042 10 WARNING neutronclient.v2_0.client [None req-91727226-a21b-4705-a924-604415e596f3 fd3e50dbb54a4afbaa63467cf3595652 8ed65af028844f4d8f71d6c7a11dfa18 - - 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 61b2589d-e926-414b-b1dc-d6ba3e8021fc. 2026-07-09 18:02:56.182 10 ERROR nova.scheduler.utils [None req-0cb94ab2-3c1b-4408-96b1-b41fdda6f9f2 f331cffad719491a8850a0568fcc4dd3 61bbf9d803cd47ada86ebb674b00c316 - - default default] [instance: c857ca83-c81d-47b1-a0db-fce40c19f75f] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8444, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1511, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance c857ca83-c81d-47b1-a0db-fce40c19f75f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 18:02:56.184 10 WARNING nova.scheduler.utils [None req-0cb94ab2-3c1b-4408-96b1-b41fdda6f9f2 f331cffad719491a8850a0568fcc4dd3 61bbf9d803cd47ada86ebb674b00c316 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c857ca83-c81d-47b1-a0db-fce40c19f75f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c857ca83-c81d-47b1-a0db-fce40c19f75f. 2026-07-09 18:02:56.191 10 WARNING nova.scheduler.utils [None req-0cb94ab2-3c1b-4408-96b1-b41fdda6f9f2 f331cffad719491a8850a0568fcc4dd3 61bbf9d803cd47ada86ebb674b00c316 - - default default] [instance: c857ca83-c81d-47b1-a0db-fce40c19f75f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c857ca83-c81d-47b1-a0db-fce40c19f75f. 2026-07-09 18:02:56.236 10 WARNING neutronclient.v2_0.client [None req-0cb94ab2-3c1b-4408-96b1-b41fdda6f9f2 f331cffad719491a8850a0568fcc4dd3 61bbf9d803cd47ada86ebb674b00c316 - - 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 c857ca83-c81d-47b1-a0db-fce40c19f75f. 2026-07-09 18:02:56.268 10 WARNING neutronclient.v2_0.client [None req-0cb94ab2-3c1b-4408-96b1-b41fdda6f9f2 f331cffad719491a8850a0568fcc4dd3 61bbf9d803cd47ada86ebb674b00c316 - - 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 c857ca83-c81d-47b1-a0db-fce40c19f75f.