+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-09-12 01:44:12.750 1 INFO nova.utils [None req-a8048e79-6020-4bf6-a554-16102e6ae529 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-09-12 01:44:12.926 1 INFO nova.utils [None req-a8048e79-6020-4bf6-a554-16102e6ae529 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-09-12 01:44:13.926 1 INFO nova.utils [None req-a8048e79-6020-4bf6-a554-16102e6ae529 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-09-12 01:44:13.929 1 WARNING oslo_service.backend._threading.service [None req-a8048e79-6020-4bf6-a554-16102e6ae529 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-09-12 01:44:13.941 1 WARNING oslo_config.cfg [None req-a8048e79-6020-4bf6-a554-16102e6ae529 - - - - - -] 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. 2026-09-12 01:44:14.001 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-09-12 01:44:14.015 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-09-12 02:25:03.422 12 INFO nova.utils [None req-6024ea57-9217-4759-b1c5-ad60bc3d1957 47a83a911d5e421b90806a7377f645e2 7ed27d9481d646ba912d289bb987b6e1 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-09-12 02:25:03.598 12 INFO nova.compute.rpcapi [None req-1cf36cbb-3062-4d07-aaa1-4be2d7aa8326 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-09-12 02:25:07.017 10 INFO nova.utils [None req-43796565-8bf7-40a7-8427-e9e5a750bea7 85d90a5734de4c6d8c2ba16947bc6f4b b18d7fc4da3143ca815ebdef87c3695d - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-09-12 02:25:07.235 10 INFO nova.compute.rpcapi [None req-56997bf9-e910-48cf-8293-65acbeca8e70 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-09-12 02:25:20.693 12 ERROR nova.scheduler.utils [None req-6024ea57-9217-4759-b1c5-ad60bc3d1957 47a83a911d5e421b90806a7377f645e2 7ed27d9481d646ba912d289bb987b6e1 - - default default] [instance: da2bd3ef-8149-4e2b-93c2-d9ce130e9e5a] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance da2bd3ef-8149-4e2b-93c2-d9ce130e9e5a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 02:25:20.695 12 WARNING nova.scheduler.utils [None req-6024ea57-9217-4759-b1c5-ad60bc3d1957 47a83a911d5e421b90806a7377f645e2 7ed27d9481d646ba912d289bb987b6e1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da2bd3ef-8149-4e2b-93c2-d9ce130e9e5a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da2bd3ef-8149-4e2b-93c2-d9ce130e9e5a. 2026-09-12 02:25:20.695 12 WARNING nova.scheduler.utils [None req-6024ea57-9217-4759-b1c5-ad60bc3d1957 47a83a911d5e421b90806a7377f645e2 7ed27d9481d646ba912d289bb987b6e1 - - default default] [instance: da2bd3ef-8149-4e2b-93c2-d9ce130e9e5a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da2bd3ef-8149-4e2b-93c2-d9ce130e9e5a. 2026-09-12 02:25:20.806 12 WARNING neutronclient.v2_0.client [None req-6024ea57-9217-4759-b1c5-ad60bc3d1957 47a83a911d5e421b90806a7377f645e2 7ed27d9481d646ba912d289bb987b6e1 - - 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 da2bd3ef-8149-4e2b-93c2-d9ce130e9e5a. 2026-09-12 02:25:21.296 12 WARNING neutronclient.v2_0.client [None req-6024ea57-9217-4759-b1c5-ad60bc3d1957 47a83a911d5e421b90806a7377f645e2 7ed27d9481d646ba912d289bb987b6e1 - - 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 da2bd3ef-8149-4e2b-93c2-d9ce130e9e5a. 2026-09-12 02:25:22.192 12 ERROR nova.scheduler.utils [None req-43796565-8bf7-40a7-8427-e9e5a750bea7 85d90a5734de4c6d8c2ba16947bc6f4b b18d7fc4da3143ca815ebdef87c3695d - - default default] [instance: 97813214-fbf1-4aa6-83e6-daa44e53cacd] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 97813214-fbf1-4aa6-83e6-daa44e53cacd was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 02:25:22.193 12 WARNING nova.scheduler.utils [None req-43796565-8bf7-40a7-8427-e9e5a750bea7 85d90a5734de4c6d8c2ba16947bc6f4b b18d7fc4da3143ca815ebdef87c3695d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 97813214-fbf1-4aa6-83e6-daa44e53cacd.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 97813214-fbf1-4aa6-83e6-daa44e53cacd. 2026-09-12 02:25:22.194 12 WARNING nova.scheduler.utils [None req-43796565-8bf7-40a7-8427-e9e5a750bea7 85d90a5734de4c6d8c2ba16947bc6f4b b18d7fc4da3143ca815ebdef87c3695d - - default default] [instance: 97813214-fbf1-4aa6-83e6-daa44e53cacd] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 97813214-fbf1-4aa6-83e6-daa44e53cacd. 2026-09-12 02:25:22.259 12 WARNING neutronclient.v2_0.client [None req-43796565-8bf7-40a7-8427-e9e5a750bea7 85d90a5734de4c6d8c2ba16947bc6f4b b18d7fc4da3143ca815ebdef87c3695d - - 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 97813214-fbf1-4aa6-83e6-daa44e53cacd. 2026-09-12 02:25:22.295 12 WARNING neutronclient.v2_0.client [None req-43796565-8bf7-40a7-8427-e9e5a750bea7 85d90a5734de4c6d8c2ba16947bc6f4b b18d7fc4da3143ca815ebdef87c3695d - - 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 97813214-fbf1-4aa6-83e6-daa44e53cacd. 2026-09-12 02:26:00.437 12 ERROR nova.scheduler.utils [None req-ebee000b-70a8-4785-8b20-11b0fd736475 e1a187ce290e4fb5a1b5d4b0639896db dc0b8397aca74ef98fa5921d594b0172 - - default default] [instance: 06b5da25-cff6-498c-9ed5-7964ac457407] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 06b5da25-cff6-498c-9ed5-7964ac457407 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 02:26:00.438 12 WARNING nova.scheduler.utils [None req-ebee000b-70a8-4785-8b20-11b0fd736475 e1a187ce290e4fb5a1b5d4b0639896db dc0b8397aca74ef98fa5921d594b0172 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 06b5da25-cff6-498c-9ed5-7964ac457407.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 06b5da25-cff6-498c-9ed5-7964ac457407. 2026-09-12 02:26:00.439 12 WARNING nova.scheduler.utils [None req-ebee000b-70a8-4785-8b20-11b0fd736475 e1a187ce290e4fb5a1b5d4b0639896db dc0b8397aca74ef98fa5921d594b0172 - - default default] [instance: 06b5da25-cff6-498c-9ed5-7964ac457407] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 06b5da25-cff6-498c-9ed5-7964ac457407. 2026-09-12 02:26:00.491 12 WARNING neutronclient.v2_0.client [None req-ebee000b-70a8-4785-8b20-11b0fd736475 e1a187ce290e4fb5a1b5d4b0639896db dc0b8397aca74ef98fa5921d594b0172 - - 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 06b5da25-cff6-498c-9ed5-7964ac457407. 2026-09-12 02:26:00.527 12 WARNING neutronclient.v2_0.client [None req-ebee000b-70a8-4785-8b20-11b0fd736475 e1a187ce290e4fb5a1b5d4b0639896db dc0b8397aca74ef98fa5921d594b0172 - - 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 06b5da25-cff6-498c-9ed5-7964ac457407. 2026-09-12 02:26:04.921 12 ERROR nova.scheduler.utils [None req-71738966-787e-43e9-9502-0b661665f5fa df52be70f2e34ea6963acc6ec1adfe08 2b2f893be9e94c7f84ee4494ad933d4a - - default default] [instance: d59ee908-e24e-4dda-8935-31b33091c0dd] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d59ee908-e24e-4dda-8935-31b33091c0dd was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 02:26:04.922 12 WARNING nova.scheduler.utils [None req-71738966-787e-43e9-9502-0b661665f5fa df52be70f2e34ea6963acc6ec1adfe08 2b2f893be9e94c7f84ee4494ad933d4a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d59ee908-e24e-4dda-8935-31b33091c0dd.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d59ee908-e24e-4dda-8935-31b33091c0dd. 2026-09-12 02:26:04.923 12 WARNING nova.scheduler.utils [None req-71738966-787e-43e9-9502-0b661665f5fa df52be70f2e34ea6963acc6ec1adfe08 2b2f893be9e94c7f84ee4494ad933d4a - - default default] [instance: d59ee908-e24e-4dda-8935-31b33091c0dd] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d59ee908-e24e-4dda-8935-31b33091c0dd. 2026-09-12 02:26:04.988 12 WARNING neutronclient.v2_0.client [None req-71738966-787e-43e9-9502-0b661665f5fa df52be70f2e34ea6963acc6ec1adfe08 2b2f893be9e94c7f84ee4494ad933d4a - - 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 d59ee908-e24e-4dda-8935-31b33091c0dd. 2026-09-12 02:26:05.029 12 WARNING neutronclient.v2_0.client [None req-71738966-787e-43e9-9502-0b661665f5fa df52be70f2e34ea6963acc6ec1adfe08 2b2f893be9e94c7f84ee4494ad933d4a - - 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 d59ee908-e24e-4dda-8935-31b33091c0dd. 2026-09-12 02:26:08.792 10 ERROR nova.scheduler.utils [None req-5364e43b-432b-466e-a154-df99a1f148ec f99486bcc9974237b17b0490ce8db5b0 2a0980ccadf440abab210f97256b7cd6 - - default default] [instance: 232da015-051f-4c5a-94ee-9b77854c16bd] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 232da015-051f-4c5a-94ee-9b77854c16bd was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 02:26:08.793 10 WARNING nova.scheduler.utils [None req-5364e43b-432b-466e-a154-df99a1f148ec f99486bcc9974237b17b0490ce8db5b0 2a0980ccadf440abab210f97256b7cd6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 232da015-051f-4c5a-94ee-9b77854c16bd.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 232da015-051f-4c5a-94ee-9b77854c16bd. 2026-09-12 02:26:08.794 10 WARNING nova.scheduler.utils [None req-5364e43b-432b-466e-a154-df99a1f148ec f99486bcc9974237b17b0490ce8db5b0 2a0980ccadf440abab210f97256b7cd6 - - default default] [instance: 232da015-051f-4c5a-94ee-9b77854c16bd] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 232da015-051f-4c5a-94ee-9b77854c16bd. 2026-09-12 02:26:08.929 10 WARNING neutronclient.v2_0.client [None req-5364e43b-432b-466e-a154-df99a1f148ec f99486bcc9974237b17b0490ce8db5b0 2a0980ccadf440abab210f97256b7cd6 - - 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 232da015-051f-4c5a-94ee-9b77854c16bd. 2026-09-12 02:26:09.834 10 WARNING neutronclient.v2_0.client [None req-5364e43b-432b-466e-a154-df99a1f148ec f99486bcc9974237b17b0490ce8db5b0 2a0980ccadf440abab210f97256b7cd6 - - 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 232da015-051f-4c5a-94ee-9b77854c16bd. 2026-09-12 02:26:30.941 10 ERROR nova.scheduler.utils [None req-18935e1a-800d-4213-8bb6-94330b653378 16fa2ac153f649088ddca0ec08ace1b7 d0e99d47a03a4c758c5986b4500d29b9 - - default default] [instance: 09f70f8d-0988-484b-b5f0-74ea8683392b] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 09f70f8d-0988-484b-b5f0-74ea8683392b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 02:26:30.942 10 WARNING nova.scheduler.utils [None req-18935e1a-800d-4213-8bb6-94330b653378 16fa2ac153f649088ddca0ec08ace1b7 d0e99d47a03a4c758c5986b4500d29b9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09f70f8d-0988-484b-b5f0-74ea8683392b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09f70f8d-0988-484b-b5f0-74ea8683392b. 2026-09-12 02:26:30.942 10 WARNING nova.scheduler.utils [None req-18935e1a-800d-4213-8bb6-94330b653378 16fa2ac153f649088ddca0ec08ace1b7 d0e99d47a03a4c758c5986b4500d29b9 - - default default] [instance: 09f70f8d-0988-484b-b5f0-74ea8683392b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09f70f8d-0988-484b-b5f0-74ea8683392b. 2026-09-12 02:26:31.016 10 WARNING neutronclient.v2_0.client [None req-18935e1a-800d-4213-8bb6-94330b653378 16fa2ac153f649088ddca0ec08ace1b7 d0e99d47a03a4c758c5986b4500d29b9 - - 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 09f70f8d-0988-484b-b5f0-74ea8683392b. 2026-09-12 02:26:31.052 10 WARNING neutronclient.v2_0.client [None req-18935e1a-800d-4213-8bb6-94330b653378 16fa2ac153f649088ddca0ec08ace1b7 d0e99d47a03a4c758c5986b4500d29b9 - - 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 09f70f8d-0988-484b-b5f0-74ea8683392b. 2026-09-12 02:27:48.547 12 ERROR nova.scheduler.utils [None req-b0c89a09-c188-4655-aa21-a77728f59bcb 6741eb77dade48cab498595fcb2f9fbb a1adab939fa14bb194d8dc894da70872 - - default default] [instance: 62bef607-e7a2-4dd4-84df-3c59a74134bc] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 62bef607-e7a2-4dd4-84df-3c59a74134bc was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 02:27:48.549 12 WARNING nova.scheduler.utils [None req-b0c89a09-c188-4655-aa21-a77728f59bcb 6741eb77dade48cab498595fcb2f9fbb a1adab939fa14bb194d8dc894da70872 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 62bef607-e7a2-4dd4-84df-3c59a74134bc.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 62bef607-e7a2-4dd4-84df-3c59a74134bc. 2026-09-12 02:27:48.549 12 WARNING nova.scheduler.utils [None req-b0c89a09-c188-4655-aa21-a77728f59bcb 6741eb77dade48cab498595fcb2f9fbb a1adab939fa14bb194d8dc894da70872 - - default default] [instance: 62bef607-e7a2-4dd4-84df-3c59a74134bc] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 62bef607-e7a2-4dd4-84df-3c59a74134bc. 2026-09-12 02:27:48.608 12 WARNING neutronclient.v2_0.client [None req-b0c89a09-c188-4655-aa21-a77728f59bcb 6741eb77dade48cab498595fcb2f9fbb a1adab939fa14bb194d8dc894da70872 - - 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 62bef607-e7a2-4dd4-84df-3c59a74134bc. 2026-09-12 02:27:48.647 12 WARNING neutronclient.v2_0.client [None req-b0c89a09-c188-4655-aa21-a77728f59bcb 6741eb77dade48cab498595fcb2f9fbb a1adab939fa14bb194d8dc894da70872 - - 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 62bef607-e7a2-4dd4-84df-3c59a74134bc. 2026-09-12 02:28:44.645 12 ERROR nova.scheduler.utils [None req-d0868056-3e54-4d0a-804a-804cd4e539fd dae1d987f40f4aed8321f1801ebd0613 35b83aae3e4443838dd3d0e4b42cb4da - - default default] [instance: e4f89284-8712-4cc8-8ce4-dbbcd85c4e1d] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance e4f89284-8712-4cc8-8ce4-dbbcd85c4e1d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 02:28:44.646 12 WARNING nova.scheduler.utils [None req-d0868056-3e54-4d0a-804a-804cd4e539fd dae1d987f40f4aed8321f1801ebd0613 35b83aae3e4443838dd3d0e4b42cb4da - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e4f89284-8712-4cc8-8ce4-dbbcd85c4e1d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e4f89284-8712-4cc8-8ce4-dbbcd85c4e1d. 2026-09-12 02:28:44.647 12 WARNING nova.scheduler.utils [None req-d0868056-3e54-4d0a-804a-804cd4e539fd dae1d987f40f4aed8321f1801ebd0613 35b83aae3e4443838dd3d0e4b42cb4da - - default default] [instance: e4f89284-8712-4cc8-8ce4-dbbcd85c4e1d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e4f89284-8712-4cc8-8ce4-dbbcd85c4e1d. 2026-09-12 02:28:44.724 12 WARNING neutronclient.v2_0.client [None req-d0868056-3e54-4d0a-804a-804cd4e539fd dae1d987f40f4aed8321f1801ebd0613 35b83aae3e4443838dd3d0e4b42cb4da - - 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 e4f89284-8712-4cc8-8ce4-dbbcd85c4e1d. 2026-09-12 02:28:44.756 12 WARNING neutronclient.v2_0.client [None req-d0868056-3e54-4d0a-804a-804cd4e539fd dae1d987f40f4aed8321f1801ebd0613 35b83aae3e4443838dd3d0e4b42cb4da - - 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 e4f89284-8712-4cc8-8ce4-dbbcd85c4e1d. 2026-09-12 02:28:46.605 10 ERROR nova.scheduler.utils [None req-6fddb7a4-3cdb-4030-b536-efeaffea38db 74d17cac7607404fb86bc6115d576b3d f7b8c0a5f84d4ec3a9f27ce17cafc67d - - default default] [instance: 39b63b4a-1470-4df5-9b7a-fdc52c3114cd] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 39b63b4a-1470-4df5-9b7a-fdc52c3114cd was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 02:28:46.606 10 WARNING nova.scheduler.utils [None req-6fddb7a4-3cdb-4030-b536-efeaffea38db 74d17cac7607404fb86bc6115d576b3d f7b8c0a5f84d4ec3a9f27ce17cafc67d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 39b63b4a-1470-4df5-9b7a-fdc52c3114cd.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 39b63b4a-1470-4df5-9b7a-fdc52c3114cd. 2026-09-12 02:28:46.607 10 WARNING nova.scheduler.utils [None req-6fddb7a4-3cdb-4030-b536-efeaffea38db 74d17cac7607404fb86bc6115d576b3d f7b8c0a5f84d4ec3a9f27ce17cafc67d - - default default] [instance: 39b63b4a-1470-4df5-9b7a-fdc52c3114cd] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 39b63b4a-1470-4df5-9b7a-fdc52c3114cd. 2026-09-12 02:28:46.689 10 WARNING neutronclient.v2_0.client [None req-6fddb7a4-3cdb-4030-b536-efeaffea38db 74d17cac7607404fb86bc6115d576b3d f7b8c0a5f84d4ec3a9f27ce17cafc67d - - 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 39b63b4a-1470-4df5-9b7a-fdc52c3114cd. 2026-09-12 02:28:47.179 10 WARNING neutronclient.v2_0.client [None req-6fddb7a4-3cdb-4030-b536-efeaffea38db 74d17cac7607404fb86bc6115d576b3d f7b8c0a5f84d4ec3a9f27ce17cafc67d - - 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 39b63b4a-1470-4df5-9b7a-fdc52c3114cd. 2026-09-12 02:29:55.278 10 ERROR nova.scheduler.utils [None req-fbb01bc0-c8c4-43f3-8226-a021e64eec8b 0675ff64571849d0a604c7a7f4cf6b91 ca7404e6e93246b6b7f503e68f1056c6 - - default default] [instance: 616606e2-5d93-494e-827e-330495a67278] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 616606e2-5d93-494e-827e-330495a67278 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 02:29:55.279 10 WARNING nova.scheduler.utils [None req-fbb01bc0-c8c4-43f3-8226-a021e64eec8b 0675ff64571849d0a604c7a7f4cf6b91 ca7404e6e93246b6b7f503e68f1056c6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 616606e2-5d93-494e-827e-330495a67278.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 616606e2-5d93-494e-827e-330495a67278. 2026-09-12 02:29:55.279 10 WARNING nova.scheduler.utils [None req-fbb01bc0-c8c4-43f3-8226-a021e64eec8b 0675ff64571849d0a604c7a7f4cf6b91 ca7404e6e93246b6b7f503e68f1056c6 - - default default] [instance: 616606e2-5d93-494e-827e-330495a67278] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 616606e2-5d93-494e-827e-330495a67278. 2026-09-12 02:29:55.345 10 WARNING neutronclient.v2_0.client [None req-fbb01bc0-c8c4-43f3-8226-a021e64eec8b 0675ff64571849d0a604c7a7f4cf6b91 ca7404e6e93246b6b7f503e68f1056c6 - - 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 616606e2-5d93-494e-827e-330495a67278. 2026-09-12 02:29:55.385 10 WARNING neutronclient.v2_0.client [None req-fbb01bc0-c8c4-43f3-8226-a021e64eec8b 0675ff64571849d0a604c7a7f4cf6b91 ca7404e6e93246b6b7f503e68f1056c6 - - 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 616606e2-5d93-494e-827e-330495a67278.