+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-09 00:11:43.976 1 INFO nova.utils [None req-782d40de-e4b0-455c-ba08-5511c4b47a2e - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-09 00:11:44.139 1 INFO nova.utils [None req-782d40de-e4b0-455c-ba08-5511c4b47a2e - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-09 00:11:45.139 1 INFO nova.utils [None req-782d40de-e4b0-455c-ba08-5511c4b47a2e - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-09 00:11:45.144 1 WARNING oslo_service.backend._threading.service [None req-782d40de-e4b0-455c-ba08-5511c4b47a2e - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-09 00:11:45.152 1 WARNING oslo_config.cfg [None req-782d40de-e4b0-455c-ba08-5511c4b47a2e - - - - - -] 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 00:11:45.211 9 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-09 00:11:45.222 11 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-09 00:51:51.368 9 INFO nova.utils [None req-872e3324-50df-4cb5-b4fa-48a8ddb929af ddbb86e8777d44669a16addd5a7c0939 27545c74e3034988ba7fe416fcc21bdb - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-09 00:51:51.537 9 INFO nova.compute.rpcapi [None req-5c8d1dcb-846e-4729-94ac-e6578e34c35c - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-09 00:51:51.581 11 INFO nova.utils [None req-44c5fd39-a553-4cbb-ab7c-d2c2aad6fe1c 03b0f99ff6764331b59608520ee3212b 36a2229c05e944dc9468f9a5c36953f3 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-09 00:51:51.744 11 INFO nova.compute.rpcapi [None req-67fd1697-13b3-486b-8a68-652b59f8f6d3 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-09 00:52:08.846 11 ERROR nova.scheduler.utils [None req-44c5fd39-a553-4cbb-ab7c-d2c2aad6fe1c 03b0f99ff6764331b59608520ee3212b 36a2229c05e944dc9468f9a5c36953f3 - - default default] [instance: 111e826e-aee7-4ad0-822c-0cb258d075d4] 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 111e826e-aee7-4ad0-822c-0cb258d075d4 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 00:52:08.847 11 WARNING nova.scheduler.utils [None req-44c5fd39-a553-4cbb-ab7c-d2c2aad6fe1c 03b0f99ff6764331b59608520ee3212b 36a2229c05e944dc9468f9a5c36953f3 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 111e826e-aee7-4ad0-822c-0cb258d075d4.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 111e826e-aee7-4ad0-822c-0cb258d075d4. 2026-07-09 00:52:08.848 11 WARNING nova.scheduler.utils [None req-44c5fd39-a553-4cbb-ab7c-d2c2aad6fe1c 03b0f99ff6764331b59608520ee3212b 36a2229c05e944dc9468f9a5c36953f3 - - default default] [instance: 111e826e-aee7-4ad0-822c-0cb258d075d4] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 111e826e-aee7-4ad0-822c-0cb258d075d4. 2026-07-09 00:52:08.937 11 WARNING neutronclient.v2_0.client [None req-44c5fd39-a553-4cbb-ab7c-d2c2aad6fe1c 03b0f99ff6764331b59608520ee3212b 36a2229c05e944dc9468f9a5c36953f3 - - 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 111e826e-aee7-4ad0-822c-0cb258d075d4. 2026-07-09 00:52:09.482 11 WARNING neutronclient.v2_0.client [None req-44c5fd39-a553-4cbb-ab7c-d2c2aad6fe1c 03b0f99ff6764331b59608520ee3212b 36a2229c05e944dc9468f9a5c36953f3 - - 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 111e826e-aee7-4ad0-822c-0cb258d075d4. 2026-07-09 00:52:10.431 11 ERROR nova.scheduler.utils [None req-872e3324-50df-4cb5-b4fa-48a8ddb929af ddbb86e8777d44669a16addd5a7c0939 27545c74e3034988ba7fe416fcc21bdb - - default default] [instance: 8c4b343e-425d-4715-92a0-be1e712b981a] 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 8c4b343e-425d-4715-92a0-be1e712b981a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 00:52:10.432 11 WARNING nova.scheduler.utils [None req-872e3324-50df-4cb5-b4fa-48a8ddb929af ddbb86e8777d44669a16addd5a7c0939 27545c74e3034988ba7fe416fcc21bdb - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8c4b343e-425d-4715-92a0-be1e712b981a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8c4b343e-425d-4715-92a0-be1e712b981a. 2026-07-09 00:52:10.432 11 WARNING nova.scheduler.utils [None req-872e3324-50df-4cb5-b4fa-48a8ddb929af ddbb86e8777d44669a16addd5a7c0939 27545c74e3034988ba7fe416fcc21bdb - - default default] [instance: 8c4b343e-425d-4715-92a0-be1e712b981a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8c4b343e-425d-4715-92a0-be1e712b981a. 2026-07-09 00:52:10.475 11 WARNING neutronclient.v2_0.client [None req-872e3324-50df-4cb5-b4fa-48a8ddb929af ddbb86e8777d44669a16addd5a7c0939 27545c74e3034988ba7fe416fcc21bdb - - 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 8c4b343e-425d-4715-92a0-be1e712b981a. 2026-07-09 00:52:10.502 11 WARNING neutronclient.v2_0.client [None req-872e3324-50df-4cb5-b4fa-48a8ddb929af ddbb86e8777d44669a16addd5a7c0939 27545c74e3034988ba7fe416fcc21bdb - - 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 8c4b343e-425d-4715-92a0-be1e712b981a. 2026-07-09 00:52:11.895 11 ERROR nova.scheduler.utils [None req-40f09048-45e3-425c-a2ed-bce4fd7be96f 8a01acdb09ff494a937923a7973c3eec 4533afd3219c4906bd2d6acced5c7c7b - - default default] [instance: 00523be1-2408-4499-abea-d371d212be29] 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 00523be1-2408-4499-abea-d371d212be29 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 00:52:11.896 11 WARNING nova.scheduler.utils [None req-40f09048-45e3-425c-a2ed-bce4fd7be96f 8a01acdb09ff494a937923a7973c3eec 4533afd3219c4906bd2d6acced5c7c7b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 00523be1-2408-4499-abea-d371d212be29.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 00523be1-2408-4499-abea-d371d212be29. 2026-07-09 00:52:11.896 11 WARNING nova.scheduler.utils [None req-40f09048-45e3-425c-a2ed-bce4fd7be96f 8a01acdb09ff494a937923a7973c3eec 4533afd3219c4906bd2d6acced5c7c7b - - default default] [instance: 00523be1-2408-4499-abea-d371d212be29] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 00523be1-2408-4499-abea-d371d212be29. 2026-07-09 00:52:11.935 11 WARNING neutronclient.v2_0.client [None req-40f09048-45e3-425c-a2ed-bce4fd7be96f 8a01acdb09ff494a937923a7973c3eec 4533afd3219c4906bd2d6acced5c7c7b - - 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 00523be1-2408-4499-abea-d371d212be29. 2026-07-09 00:52:12.047 11 WARNING neutronclient.v2_0.client [None req-40f09048-45e3-425c-a2ed-bce4fd7be96f 8a01acdb09ff494a937923a7973c3eec 4533afd3219c4906bd2d6acced5c7c7b - - 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 00523be1-2408-4499-abea-d371d212be29. 2026-07-09 00:52:43.945 11 ERROR nova.scheduler.utils [None req-02ed811f-31ea-4ce8-8a0b-d598f72b39cd 744a19b17ee24fd6ab05bfa39c478fa9 fe4e757525c84ac59932c5a4d7767201 - - default default] [instance: bd5748a2-2984-477e-a147-27c076ccc81f] 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 bd5748a2-2984-477e-a147-27c076ccc81f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 00:52:43.946 11 WARNING nova.scheduler.utils [None req-02ed811f-31ea-4ce8-8a0b-d598f72b39cd 744a19b17ee24fd6ab05bfa39c478fa9 fe4e757525c84ac59932c5a4d7767201 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bd5748a2-2984-477e-a147-27c076ccc81f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bd5748a2-2984-477e-a147-27c076ccc81f. 2026-07-09 00:52:43.947 11 WARNING nova.scheduler.utils [None req-02ed811f-31ea-4ce8-8a0b-d598f72b39cd 744a19b17ee24fd6ab05bfa39c478fa9 fe4e757525c84ac59932c5a4d7767201 - - default default] [instance: bd5748a2-2984-477e-a147-27c076ccc81f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bd5748a2-2984-477e-a147-27c076ccc81f. 2026-07-09 00:52:43.995 11 WARNING neutronclient.v2_0.client [None req-02ed811f-31ea-4ce8-8a0b-d598f72b39cd 744a19b17ee24fd6ab05bfa39c478fa9 fe4e757525c84ac59932c5a4d7767201 - - 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 bd5748a2-2984-477e-a147-27c076ccc81f. 2026-07-09 00:52:44.028 11 WARNING neutronclient.v2_0.client [None req-02ed811f-31ea-4ce8-8a0b-d598f72b39cd 744a19b17ee24fd6ab05bfa39c478fa9 fe4e757525c84ac59932c5a4d7767201 - - 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 bd5748a2-2984-477e-a147-27c076ccc81f. 2026-07-09 00:52:45.653 9 ERROR nova.scheduler.utils [None req-6c649fbb-cdbb-4683-a93e-f643d82a7fa2 20afd7e9e0c34d97a0148655de85df1f df427b59adeb44d598a8375cdda977e5 - - default default] [instance: 9497a5a4-1be8-4aa4-869c-225b8e11beda] 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 9497a5a4-1be8-4aa4-869c-225b8e11beda was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 00:52:45.654 9 WARNING nova.scheduler.utils [None req-6c649fbb-cdbb-4683-a93e-f643d82a7fa2 20afd7e9e0c34d97a0148655de85df1f df427b59adeb44d598a8375cdda977e5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9497a5a4-1be8-4aa4-869c-225b8e11beda.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9497a5a4-1be8-4aa4-869c-225b8e11beda. 2026-07-09 00:52:45.654 9 WARNING nova.scheduler.utils [None req-6c649fbb-cdbb-4683-a93e-f643d82a7fa2 20afd7e9e0c34d97a0148655de85df1f df427b59adeb44d598a8375cdda977e5 - - default default] [instance: 9497a5a4-1be8-4aa4-869c-225b8e11beda] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9497a5a4-1be8-4aa4-869c-225b8e11beda. 2026-07-09 00:52:45.738 9 WARNING neutronclient.v2_0.client [None req-6c649fbb-cdbb-4683-a93e-f643d82a7fa2 20afd7e9e0c34d97a0148655de85df1f df427b59adeb44d598a8375cdda977e5 - - 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 9497a5a4-1be8-4aa4-869c-225b8e11beda. 2026-07-09 00:52:46.311 9 WARNING neutronclient.v2_0.client [None req-6c649fbb-cdbb-4683-a93e-f643d82a7fa2 20afd7e9e0c34d97a0148655de85df1f df427b59adeb44d598a8375cdda977e5 - - 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 9497a5a4-1be8-4aa4-869c-225b8e11beda. 2026-07-09 00:53:14.271 9 ERROR nova.scheduler.utils [None req-81f7745e-a3c7-4b49-bd11-2d653db222cc 92649736e90d4de38debdd2babb55d9b 71a64ffd7dc942fea64aba49e7979a9d - - default default] [instance: 6ccb1959-d605-4713-99e1-bfcb4d714e3e] 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 6ccb1959-d605-4713-99e1-bfcb4d714e3e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 00:53:14.272 9 WARNING nova.scheduler.utils [None req-81f7745e-a3c7-4b49-bd11-2d653db222cc 92649736e90d4de38debdd2babb55d9b 71a64ffd7dc942fea64aba49e7979a9d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6ccb1959-d605-4713-99e1-bfcb4d714e3e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6ccb1959-d605-4713-99e1-bfcb4d714e3e. 2026-07-09 00:53:14.273 9 WARNING nova.scheduler.utils [None req-81f7745e-a3c7-4b49-bd11-2d653db222cc 92649736e90d4de38debdd2babb55d9b 71a64ffd7dc942fea64aba49e7979a9d - - default default] [instance: 6ccb1959-d605-4713-99e1-bfcb4d714e3e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6ccb1959-d605-4713-99e1-bfcb4d714e3e. 2026-07-09 00:53:14.327 9 WARNING neutronclient.v2_0.client [None req-81f7745e-a3c7-4b49-bd11-2d653db222cc 92649736e90d4de38debdd2babb55d9b 71a64ffd7dc942fea64aba49e7979a9d - - 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 6ccb1959-d605-4713-99e1-bfcb4d714e3e. 2026-07-09 00:53:14.355 9 WARNING neutronclient.v2_0.client [None req-81f7745e-a3c7-4b49-bd11-2d653db222cc 92649736e90d4de38debdd2babb55d9b 71a64ffd7dc942fea64aba49e7979a9d - - 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 6ccb1959-d605-4713-99e1-bfcb4d714e3e. 2026-07-09 00:53:44.630 9 ERROR nova.scheduler.utils [None req-561c76a4-f845-4dbd-bb16-5a3a34a448ee 753daf73017d46279c9e18cd61567c01 6614da7f2cbb4daea1ddf559abd5cf86 - - default default] [instance: cf575a60-3de3-484c-98f5-cc7afc97d8c0] 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 cf575a60-3de3-484c-98f5-cc7afc97d8c0 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 00:53:44.633 9 WARNING nova.scheduler.utils [None req-561c76a4-f845-4dbd-bb16-5a3a34a448ee 753daf73017d46279c9e18cd61567c01 6614da7f2cbb4daea1ddf559abd5cf86 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cf575a60-3de3-484c-98f5-cc7afc97d8c0.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cf575a60-3de3-484c-98f5-cc7afc97d8c0. 2026-07-09 00:53:44.633 9 WARNING nova.scheduler.utils [None req-561c76a4-f845-4dbd-bb16-5a3a34a448ee 753daf73017d46279c9e18cd61567c01 6614da7f2cbb4daea1ddf559abd5cf86 - - default default] [instance: cf575a60-3de3-484c-98f5-cc7afc97d8c0] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cf575a60-3de3-484c-98f5-cc7afc97d8c0. 2026-07-09 00:53:44.693 9 WARNING neutronclient.v2_0.client [None req-561c76a4-f845-4dbd-bb16-5a3a34a448ee 753daf73017d46279c9e18cd61567c01 6614da7f2cbb4daea1ddf559abd5cf86 - - 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 cf575a60-3de3-484c-98f5-cc7afc97d8c0. 2026-07-09 00:53:44.755 9 WARNING neutronclient.v2_0.client [None req-561c76a4-f845-4dbd-bb16-5a3a34a448ee 753daf73017d46279c9e18cd61567c01 6614da7f2cbb4daea1ddf559abd5cf86 - - 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 cf575a60-3de3-484c-98f5-cc7afc97d8c0. 2026-07-09 00:54:24.123 11 ERROR nova.scheduler.utils [None req-b3be7a7e-7e68-423b-b5ef-a819fc9266fb d706407bd2fb45aca8c1c92ca5d932d6 51b2e41f96744b0198dfdd897ede27fc - - default default] [instance: 4212f89a-5154-444a-a77e-720c45d245b5] 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 4212f89a-5154-444a-a77e-720c45d245b5 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 00:54:24.129 11 WARNING nova.scheduler.utils [None req-b3be7a7e-7e68-423b-b5ef-a819fc9266fb d706407bd2fb45aca8c1c92ca5d932d6 51b2e41f96744b0198dfdd897ede27fc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4212f89a-5154-444a-a77e-720c45d245b5.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4212f89a-5154-444a-a77e-720c45d245b5. 2026-07-09 00:54:24.130 11 WARNING nova.scheduler.utils [None req-b3be7a7e-7e68-423b-b5ef-a819fc9266fb d706407bd2fb45aca8c1c92ca5d932d6 51b2e41f96744b0198dfdd897ede27fc - - default default] [instance: 4212f89a-5154-444a-a77e-720c45d245b5] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4212f89a-5154-444a-a77e-720c45d245b5. 2026-07-09 00:54:24.186 11 WARNING neutronclient.v2_0.client [None req-b3be7a7e-7e68-423b-b5ef-a819fc9266fb d706407bd2fb45aca8c1c92ca5d932d6 51b2e41f96744b0198dfdd897ede27fc - - 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 4212f89a-5154-444a-a77e-720c45d245b5. 2026-07-09 00:54:24.218 11 WARNING neutronclient.v2_0.client [None req-b3be7a7e-7e68-423b-b5ef-a819fc9266fb d706407bd2fb45aca8c1c92ca5d932d6 51b2e41f96744b0198dfdd897ede27fc - - 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 4212f89a-5154-444a-a77e-720c45d245b5. 2026-07-09 00:54:52.825 9 ERROR nova.scheduler.utils [None req-cf47ddfa-8cec-40e3-849b-082a26f18efc 7c7ff01951534ce19d6c99614c71bfb1 336d85dc15e648a7a17cbe10faefebcf - - default default] [instance: 2b105321-d29b-4faa-aba9-a76403a2be42] 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 2b105321-d29b-4faa-aba9-a76403a2be42 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 00:54:52.827 9 WARNING nova.scheduler.utils [None req-cf47ddfa-8cec-40e3-849b-082a26f18efc 7c7ff01951534ce19d6c99614c71bfb1 336d85dc15e648a7a17cbe10faefebcf - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2b105321-d29b-4faa-aba9-a76403a2be42.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2b105321-d29b-4faa-aba9-a76403a2be42. 2026-07-09 00:54:52.828 9 WARNING nova.scheduler.utils [None req-cf47ddfa-8cec-40e3-849b-082a26f18efc 7c7ff01951534ce19d6c99614c71bfb1 336d85dc15e648a7a17cbe10faefebcf - - default default] [instance: 2b105321-d29b-4faa-aba9-a76403a2be42] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2b105321-d29b-4faa-aba9-a76403a2be42. 2026-07-09 00:54:52.875 9 WARNING neutronclient.v2_0.client [None req-cf47ddfa-8cec-40e3-849b-082a26f18efc 7c7ff01951534ce19d6c99614c71bfb1 336d85dc15e648a7a17cbe10faefebcf - - 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 2b105321-d29b-4faa-aba9-a76403a2be42. 2026-07-09 00:54:52.908 9 WARNING neutronclient.v2_0.client [None req-cf47ddfa-8cec-40e3-849b-082a26f18efc 7c7ff01951534ce19d6c99614c71bfb1 336d85dc15e648a7a17cbe10faefebcf - - 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 2b105321-d29b-4faa-aba9-a76403a2be42. 2026-07-09 00:55:26.055 9 ERROR nova.scheduler.utils [None req-51c06c14-9c7f-464a-803b-abf97b05760f 3e00daa102804c58aeebb0f8dbb6ef28 22c61b4a7eff434193c065a71f78ba46 - - default default] [instance: f469da27-2b8c-464c-a88c-15647dc37209] 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 f469da27-2b8c-464c-a88c-15647dc37209 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 00:55:26.056 9 WARNING nova.scheduler.utils [None req-51c06c14-9c7f-464a-803b-abf97b05760f 3e00daa102804c58aeebb0f8dbb6ef28 22c61b4a7eff434193c065a71f78ba46 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f469da27-2b8c-464c-a88c-15647dc37209.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f469da27-2b8c-464c-a88c-15647dc37209. 2026-07-09 00:55:26.057 9 WARNING nova.scheduler.utils [None req-51c06c14-9c7f-464a-803b-abf97b05760f 3e00daa102804c58aeebb0f8dbb6ef28 22c61b4a7eff434193c065a71f78ba46 - - default default] [instance: f469da27-2b8c-464c-a88c-15647dc37209] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f469da27-2b8c-464c-a88c-15647dc37209. 2026-07-09 00:55:26.110 9 WARNING neutronclient.v2_0.client [None req-51c06c14-9c7f-464a-803b-abf97b05760f 3e00daa102804c58aeebb0f8dbb6ef28 22c61b4a7eff434193c065a71f78ba46 - - 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 f469da27-2b8c-464c-a88c-15647dc37209. 2026-07-09 00:55:26.143 9 WARNING neutronclient.v2_0.client [None req-51c06c14-9c7f-464a-803b-abf97b05760f 3e00daa102804c58aeebb0f8dbb6ef28 22c61b4a7eff434193c065a71f78ba46 - - 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 f469da27-2b8c-464c-a88c-15647dc37209.