+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-13 23:59:32.582 1 INFO nova.utils [None req-dea6c8ff-78ba-46eb-a585-d40d3f6c3ee5 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-13 23:59:32.764 1 INFO nova.utils [None req-dea6c8ff-78ba-46eb-a585-d40d3f6c3ee5 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-13 23:59:33.764 1 INFO nova.utils [None req-dea6c8ff-78ba-46eb-a585-d40d3f6c3ee5 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-13 23:59:33.766 1 WARNING oslo_service.backend._threading.service [None req-dea6c8ff-78ba-46eb-a585-d40d3f6c3ee5 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-13 23:59:33.771 1 WARNING oslo_config.cfg [None req-dea6c8ff-78ba-46eb-a585-d40d3f6c3ee5 - - - - - -] 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. 2026-07-13 23:59:33.817 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-13 23:59:33.828 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-14 00:39:15.042 10 INFO nova.utils [None req-c4f4e77d-d97b-4799-870b-107567335961 81ce232a4e7f4c57bb2b52791820b6cd 90873aff75274a43b03b94ecfb6cde55 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-14 00:39:15.202 10 INFO nova.compute.rpcapi [None req-3ebea4c8-d744-4414-9a67-d1b8f3f828f7 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-14 00:39:32.673 10 ERROR nova.scheduler.utils [None req-c4f4e77d-d97b-4799-870b-107567335961 81ce232a4e7f4c57bb2b52791820b6cd 90873aff75274a43b03b94ecfb6cde55 - - default default] [instance: dd286736-d3fb-43a5-899b-328e05950a75] 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 dd286736-d3fb-43a5-899b-328e05950a75 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 00:39:32.677 10 WARNING nova.scheduler.utils [None req-c4f4e77d-d97b-4799-870b-107567335961 81ce232a4e7f4c57bb2b52791820b6cd 90873aff75274a43b03b94ecfb6cde55 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dd286736-d3fb-43a5-899b-328e05950a75.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dd286736-d3fb-43a5-899b-328e05950a75. 2026-07-14 00:39:32.677 10 WARNING nova.scheduler.utils [None req-c4f4e77d-d97b-4799-870b-107567335961 81ce232a4e7f4c57bb2b52791820b6cd 90873aff75274a43b03b94ecfb6cde55 - - default default] [instance: dd286736-d3fb-43a5-899b-328e05950a75] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dd286736-d3fb-43a5-899b-328e05950a75. 2026-07-14 00:39:32.793 10 WARNING neutronclient.v2_0.client [None req-c4f4e77d-d97b-4799-870b-107567335961 81ce232a4e7f4c57bb2b52791820b6cd 90873aff75274a43b03b94ecfb6cde55 - - 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 dd286736-d3fb-43a5-899b-328e05950a75. 2026-07-14 00:39:33.525 10 WARNING neutronclient.v2_0.client [None req-c4f4e77d-d97b-4799-870b-107567335961 81ce232a4e7f4c57bb2b52791820b6cd 90873aff75274a43b03b94ecfb6cde55 - - 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 dd286736-d3fb-43a5-899b-328e05950a75. 2026-07-14 00:39:35.163 10 ERROR nova.scheduler.utils [None req-42fe393e-73cc-4869-9d10-b244b9af3102 953ef7e578554181a4ef4dd2c88f8456 08abece0137845b3a29aba8db6a50199 - - default default] [instance: 64932e08-6a45-4fdd-8d84-80cbcbd583eb] 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 64932e08-6a45-4fdd-8d84-80cbcbd583eb was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 00:39:35.164 10 WARNING nova.scheduler.utils [None req-42fe393e-73cc-4869-9d10-b244b9af3102 953ef7e578554181a4ef4dd2c88f8456 08abece0137845b3a29aba8db6a50199 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 64932e08-6a45-4fdd-8d84-80cbcbd583eb.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 64932e08-6a45-4fdd-8d84-80cbcbd583eb. 2026-07-14 00:39:35.164 10 WARNING nova.scheduler.utils [None req-42fe393e-73cc-4869-9d10-b244b9af3102 953ef7e578554181a4ef4dd2c88f8456 08abece0137845b3a29aba8db6a50199 - - default default] [instance: 64932e08-6a45-4fdd-8d84-80cbcbd583eb] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 64932e08-6a45-4fdd-8d84-80cbcbd583eb. 2026-07-14 00:39:35.201 10 WARNING neutronclient.v2_0.client [None req-42fe393e-73cc-4869-9d10-b244b9af3102 953ef7e578554181a4ef4dd2c88f8456 08abece0137845b3a29aba8db6a50199 - - 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 64932e08-6a45-4fdd-8d84-80cbcbd583eb. 2026-07-14 00:39:36.168 10 WARNING neutronclient.v2_0.client [None req-42fe393e-73cc-4869-9d10-b244b9af3102 953ef7e578554181a4ef4dd2c88f8456 08abece0137845b3a29aba8db6a50199 - - 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 64932e08-6a45-4fdd-8d84-80cbcbd583eb. 2026-07-14 00:40:06.513 10 ERROR nova.scheduler.utils [None req-2954d53b-5e18-449f-9f32-1891445ff7f1 b6339f783865493d8c5e1207e99a5ac8 891b5c7f933b4a4482acf2267a81b31f - - default default] [instance: 6b357815-f4bb-4ce9-85be-85dce3bac346] 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 6b357815-f4bb-4ce9-85be-85dce3bac346 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 00:40:06.515 10 WARNING nova.scheduler.utils [None req-2954d53b-5e18-449f-9f32-1891445ff7f1 b6339f783865493d8c5e1207e99a5ac8 891b5c7f933b4a4482acf2267a81b31f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6b357815-f4bb-4ce9-85be-85dce3bac346.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6b357815-f4bb-4ce9-85be-85dce3bac346. 2026-07-14 00:40:06.515 10 WARNING nova.scheduler.utils [None req-2954d53b-5e18-449f-9f32-1891445ff7f1 b6339f783865493d8c5e1207e99a5ac8 891b5c7f933b4a4482acf2267a81b31f - - default default] [instance: 6b357815-f4bb-4ce9-85be-85dce3bac346] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6b357815-f4bb-4ce9-85be-85dce3bac346. 2026-07-14 00:40:06.579 10 WARNING neutronclient.v2_0.client [None req-2954d53b-5e18-449f-9f32-1891445ff7f1 b6339f783865493d8c5e1207e99a5ac8 891b5c7f933b4a4482acf2267a81b31f - - 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 6b357815-f4bb-4ce9-85be-85dce3bac346. 2026-07-14 00:40:06.606 10 WARNING neutronclient.v2_0.client [None req-2954d53b-5e18-449f-9f32-1891445ff7f1 b6339f783865493d8c5e1207e99a5ac8 891b5c7f933b4a4482acf2267a81b31f - - 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 6b357815-f4bb-4ce9-85be-85dce3bac346. 2026-07-14 00:40:08.176 12 ERROR nova.scheduler.utils [None req-8233498b-880a-41af-8bc1-eebe621cd1cc dfda9305c24241c586838a623c5b68e2 d749f09667c74b3a9c2abb7b3724053e - - default default] [instance: 7e9bafd9-25c3-4277-b91f-4e7cdae20a4c] 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 7e9bafd9-25c3-4277-b91f-4e7cdae20a4c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 00:40:08.177 12 WARNING nova.scheduler.utils [None req-8233498b-880a-41af-8bc1-eebe621cd1cc dfda9305c24241c586838a623c5b68e2 d749f09667c74b3a9c2abb7b3724053e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7e9bafd9-25c3-4277-b91f-4e7cdae20a4c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7e9bafd9-25c3-4277-b91f-4e7cdae20a4c. 2026-07-14 00:40:08.178 12 WARNING nova.scheduler.utils [None req-8233498b-880a-41af-8bc1-eebe621cd1cc dfda9305c24241c586838a623c5b68e2 d749f09667c74b3a9c2abb7b3724053e - - default default] [instance: 7e9bafd9-25c3-4277-b91f-4e7cdae20a4c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7e9bafd9-25c3-4277-b91f-4e7cdae20a4c. 2026-07-14 00:40:08.302 12 WARNING neutronclient.v2_0.client [None req-8233498b-880a-41af-8bc1-eebe621cd1cc dfda9305c24241c586838a623c5b68e2 d749f09667c74b3a9c2abb7b3724053e - - 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 7e9bafd9-25c3-4277-b91f-4e7cdae20a4c. 2026-07-14 00:40:09.052 12 WARNING neutronclient.v2_0.client [None req-8233498b-880a-41af-8bc1-eebe621cd1cc dfda9305c24241c586838a623c5b68e2 d749f09667c74b3a9c2abb7b3724053e - - 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 7e9bafd9-25c3-4277-b91f-4e7cdae20a4c. 2026-07-14 00:40:25.802 12 INFO nova.utils [None req-499009c4-a6da-4a3a-9a3e-5a24c3f4f113 976e533264f34ce682dd66f796a61a32 6b42ce8488fb4a648b8818046c9c0ec9 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-14 00:40:25.955 12 INFO nova.compute.rpcapi [None req-c6c85261-922c-4d52-976e-a30812b170ad - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-14 00:40:42.005 12 ERROR nova.scheduler.utils [None req-499009c4-a6da-4a3a-9a3e-5a24c3f4f113 976e533264f34ce682dd66f796a61a32 6b42ce8488fb4a648b8818046c9c0ec9 - - default default] [instance: 28f1f12e-557b-48dc-b5bd-df3b877cc87f] 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 28f1f12e-557b-48dc-b5bd-df3b877cc87f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 00:40:42.006 12 WARNING nova.scheduler.utils [None req-499009c4-a6da-4a3a-9a3e-5a24c3f4f113 976e533264f34ce682dd66f796a61a32 6b42ce8488fb4a648b8818046c9c0ec9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 28f1f12e-557b-48dc-b5bd-df3b877cc87f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 28f1f12e-557b-48dc-b5bd-df3b877cc87f. 2026-07-14 00:40:42.007 12 WARNING nova.scheduler.utils [None req-499009c4-a6da-4a3a-9a3e-5a24c3f4f113 976e533264f34ce682dd66f796a61a32 6b42ce8488fb4a648b8818046c9c0ec9 - - default default] [instance: 28f1f12e-557b-48dc-b5bd-df3b877cc87f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 28f1f12e-557b-48dc-b5bd-df3b877cc87f. 2026-07-14 00:40:42.059 12 WARNING neutronclient.v2_0.client [None req-499009c4-a6da-4a3a-9a3e-5a24c3f4f113 976e533264f34ce682dd66f796a61a32 6b42ce8488fb4a648b8818046c9c0ec9 - - 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 28f1f12e-557b-48dc-b5bd-df3b877cc87f. 2026-07-14 00:40:42.087 12 WARNING neutronclient.v2_0.client [None req-499009c4-a6da-4a3a-9a3e-5a24c3f4f113 976e533264f34ce682dd66f796a61a32 6b42ce8488fb4a648b8818046c9c0ec9 - - 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 28f1f12e-557b-48dc-b5bd-df3b877cc87f. 2026-07-14 00:41:18.866 10 ERROR nova.scheduler.utils [None req-385ceaad-18d1-463f-8dc8-094870024ee4 42d426ef60ca452498c0be5447bef912 e117af512add4860a393660f07237a7c - - default default] [instance: 2a346ae5-8083-4b33-a7df-7450ed5504ba] 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 2a346ae5-8083-4b33-a7df-7450ed5504ba was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 00:41:18.867 10 WARNING nova.scheduler.utils [None req-385ceaad-18d1-463f-8dc8-094870024ee4 42d426ef60ca452498c0be5447bef912 e117af512add4860a393660f07237a7c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2a346ae5-8083-4b33-a7df-7450ed5504ba.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2a346ae5-8083-4b33-a7df-7450ed5504ba. 2026-07-14 00:41:18.867 10 WARNING nova.scheduler.utils [None req-385ceaad-18d1-463f-8dc8-094870024ee4 42d426ef60ca452498c0be5447bef912 e117af512add4860a393660f07237a7c - - default default] [instance: 2a346ae5-8083-4b33-a7df-7450ed5504ba] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2a346ae5-8083-4b33-a7df-7450ed5504ba. 2026-07-14 00:41:18.940 10 WARNING neutronclient.v2_0.client [None req-385ceaad-18d1-463f-8dc8-094870024ee4 42d426ef60ca452498c0be5447bef912 e117af512add4860a393660f07237a7c - - 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 2a346ae5-8083-4b33-a7df-7450ed5504ba. 2026-07-14 00:41:19.423 10 WARNING neutronclient.v2_0.client [None req-385ceaad-18d1-463f-8dc8-094870024ee4 42d426ef60ca452498c0be5447bef912 e117af512add4860a393660f07237a7c - - 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 2a346ae5-8083-4b33-a7df-7450ed5504ba. 2026-07-14 00:41:30.337 12 ERROR nova.scheduler.utils [None req-3848e5f9-6871-45f2-b9b3-ee28359ee3fd 3e92e57ca9824684928c050e636dd200 7eccf995a099440fa4618eca6141e20c - - default default] [instance: 527bd40e-0ca7-41ab-aaff-1903ea58e93b] 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 527bd40e-0ca7-41ab-aaff-1903ea58e93b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 00:41:30.338 12 WARNING nova.scheduler.utils [None req-3848e5f9-6871-45f2-b9b3-ee28359ee3fd 3e92e57ca9824684928c050e636dd200 7eccf995a099440fa4618eca6141e20c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 527bd40e-0ca7-41ab-aaff-1903ea58e93b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 527bd40e-0ca7-41ab-aaff-1903ea58e93b. 2026-07-14 00:41:30.339 12 WARNING nova.scheduler.utils [None req-3848e5f9-6871-45f2-b9b3-ee28359ee3fd 3e92e57ca9824684928c050e636dd200 7eccf995a099440fa4618eca6141e20c - - default default] [instance: 527bd40e-0ca7-41ab-aaff-1903ea58e93b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 527bd40e-0ca7-41ab-aaff-1903ea58e93b. 2026-07-14 00:41:30.389 12 WARNING neutronclient.v2_0.client [None req-3848e5f9-6871-45f2-b9b3-ee28359ee3fd 3e92e57ca9824684928c050e636dd200 7eccf995a099440fa4618eca6141e20c - - 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 527bd40e-0ca7-41ab-aaff-1903ea58e93b. 2026-07-14 00:41:30.504 12 WARNING neutronclient.v2_0.client [None req-3848e5f9-6871-45f2-b9b3-ee28359ee3fd 3e92e57ca9824684928c050e636dd200 7eccf995a099440fa4618eca6141e20c - - 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 527bd40e-0ca7-41ab-aaff-1903ea58e93b. 2026-07-14 00:42:30.828 12 ERROR nova.scheduler.utils [None req-56cbcf59-c8e6-46a0-8351-127031d0453c aab51bfe678e4be5bb17967f6ea11b64 d010794f6a9d471f93d585505c066039 - - default default] [instance: 0cf02bd5-8f44-4883-bbce-cb4dbb3974de] 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 0cf02bd5-8f44-4883-bbce-cb4dbb3974de was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 00:42:30.828 12 WARNING nova.scheduler.utils [None req-56cbcf59-c8e6-46a0-8351-127031d0453c aab51bfe678e4be5bb17967f6ea11b64 d010794f6a9d471f93d585505c066039 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0cf02bd5-8f44-4883-bbce-cb4dbb3974de.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0cf02bd5-8f44-4883-bbce-cb4dbb3974de. 2026-07-14 00:42:30.829 12 WARNING nova.scheduler.utils [None req-56cbcf59-c8e6-46a0-8351-127031d0453c aab51bfe678e4be5bb17967f6ea11b64 d010794f6a9d471f93d585505c066039 - - default default] [instance: 0cf02bd5-8f44-4883-bbce-cb4dbb3974de] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0cf02bd5-8f44-4883-bbce-cb4dbb3974de. 2026-07-14 00:42:30.872 12 WARNING neutronclient.v2_0.client [None req-56cbcf59-c8e6-46a0-8351-127031d0453c aab51bfe678e4be5bb17967f6ea11b64 d010794f6a9d471f93d585505c066039 - - 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 0cf02bd5-8f44-4883-bbce-cb4dbb3974de. 2026-07-14 00:42:30.902 12 WARNING neutronclient.v2_0.client [None req-56cbcf59-c8e6-46a0-8351-127031d0453c aab51bfe678e4be5bb17967f6ea11b64 d010794f6a9d471f93d585505c066039 - - 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 0cf02bd5-8f44-4883-bbce-cb4dbb3974de. 2026-07-14 00:42:58.791 10 ERROR nova.scheduler.utils [None req-0cde21ed-2cf2-43c2-9975-820e8f51c4c0 758e23017afe478ebb294a02c0e12e73 553197cb5e0643dfbb2a186850337837 - - default default] [instance: b1a1c6c8-0b61-4187-add5-1b58dd67c68b] 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 b1a1c6c8-0b61-4187-add5-1b58dd67c68b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 00:42:58.792 10 WARNING nova.scheduler.utils [None req-0cde21ed-2cf2-43c2-9975-820e8f51c4c0 758e23017afe478ebb294a02c0e12e73 553197cb5e0643dfbb2a186850337837 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b1a1c6c8-0b61-4187-add5-1b58dd67c68b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b1a1c6c8-0b61-4187-add5-1b58dd67c68b. 2026-07-14 00:42:58.792 10 WARNING nova.scheduler.utils [None req-0cde21ed-2cf2-43c2-9975-820e8f51c4c0 758e23017afe478ebb294a02c0e12e73 553197cb5e0643dfbb2a186850337837 - - default default] [instance: b1a1c6c8-0b61-4187-add5-1b58dd67c68b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b1a1c6c8-0b61-4187-add5-1b58dd67c68b. 2026-07-14 00:42:58.838 10 WARNING neutronclient.v2_0.client [None req-0cde21ed-2cf2-43c2-9975-820e8f51c4c0 758e23017afe478ebb294a02c0e12e73 553197cb5e0643dfbb2a186850337837 - - 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 b1a1c6c8-0b61-4187-add5-1b58dd67c68b. 2026-07-14 00:42:58.866 10 WARNING neutronclient.v2_0.client [None req-0cde21ed-2cf2-43c2-9975-820e8f51c4c0 758e23017afe478ebb294a02c0e12e73 553197cb5e0643dfbb2a186850337837 - - 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 b1a1c6c8-0b61-4187-add5-1b58dd67c68b. 2026-07-14 00:43:05.338 12 ERROR nova.scheduler.utils [None req-7986df31-7beb-4265-8b9c-decb198c8a25 99b45ffd95684244a6274c787f56364f de67b46fa3c64369bde387804f20ccb9 - - default default] [instance: bddff3e8-5c4e-474a-b3f9-ad882197cf41] 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 bddff3e8-5c4e-474a-b3f9-ad882197cf41 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 00:43:05.339 12 WARNING nova.scheduler.utils [None req-7986df31-7beb-4265-8b9c-decb198c8a25 99b45ffd95684244a6274c787f56364f de67b46fa3c64369bde387804f20ccb9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bddff3e8-5c4e-474a-b3f9-ad882197cf41.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bddff3e8-5c4e-474a-b3f9-ad882197cf41. 2026-07-14 00:43:05.339 12 WARNING nova.scheduler.utils [None req-7986df31-7beb-4265-8b9c-decb198c8a25 99b45ffd95684244a6274c787f56364f de67b46fa3c64369bde387804f20ccb9 - - default default] [instance: bddff3e8-5c4e-474a-b3f9-ad882197cf41] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bddff3e8-5c4e-474a-b3f9-ad882197cf41. 2026-07-14 00:43:05.387 12 WARNING neutronclient.v2_0.client [None req-7986df31-7beb-4265-8b9c-decb198c8a25 99b45ffd95684244a6274c787f56364f de67b46fa3c64369bde387804f20ccb9 - - 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 bddff3e8-5c4e-474a-b3f9-ad882197cf41. 2026-07-14 00:43:05.416 12 WARNING neutronclient.v2_0.client [None req-7986df31-7beb-4265-8b9c-decb198c8a25 99b45ffd95684244a6274c787f56364f de67b46fa3c64369bde387804f20ccb9 - - 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 bddff3e8-5c4e-474a-b3f9-ad882197cf41.