+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-10 00:24:31.257 1 INFO nova.utils [None req-e47b0523-85c0-4720-a524-83d364849864 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-10 00:24:31.428 1 INFO nova.utils [None req-e47b0523-85c0-4720-a524-83d364849864 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-10 00:24:32.428 1 INFO nova.utils [None req-e47b0523-85c0-4720-a524-83d364849864 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-10 00:24:32.431 1 WARNING oslo_service.backend._threading.service [None req-e47b0523-85c0-4720-a524-83d364849864 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-10 00:24:32.443 1 WARNING oslo_config.cfg [None req-e47b0523-85c0-4720-a524-83d364849864 - - - - - -] 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. 2026-07-10 00:24:32.490 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-10 00:24:32.506 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-10 00:42:39.434 10 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 1.80 sec 2026-07-10 00:42:48.395 12 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 0.74 sec 2026-07-10 00:42:52.575 10 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 3.14 sec 2026-07-10 01:05:53.239 10 INFO nova.utils [None req-b8553d7f-7f08-49a6-95d5-317baf7a4d76 7e6265443492420ab1626c3b24464513 2eb1eb0085cc4c7a854f1c323948229d - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-10 01:05:53.390 10 INFO nova.compute.rpcapi [None req-6ce31cf3-971e-449d-ba39-6849c5a69195 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-10 01:06:08.325 10 ERROR nova.scheduler.utils [None req-b8553d7f-7f08-49a6-95d5-317baf7a4d76 7e6265443492420ab1626c3b24464513 2eb1eb0085cc4c7a854f1c323948229d - - default default] [instance: 5440745c-0b7f-490d-b739-0ae00267b30c] 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 5440745c-0b7f-490d-b739-0ae00267b30c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 01:06:08.326 10 WARNING nova.scheduler.utils [None req-b8553d7f-7f08-49a6-95d5-317baf7a4d76 7e6265443492420ab1626c3b24464513 2eb1eb0085cc4c7a854f1c323948229d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5440745c-0b7f-490d-b739-0ae00267b30c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5440745c-0b7f-490d-b739-0ae00267b30c. 2026-07-10 01:06:08.326 10 WARNING nova.scheduler.utils [None req-b8553d7f-7f08-49a6-95d5-317baf7a4d76 7e6265443492420ab1626c3b24464513 2eb1eb0085cc4c7a854f1c323948229d - - default default] [instance: 5440745c-0b7f-490d-b739-0ae00267b30c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5440745c-0b7f-490d-b739-0ae00267b30c. 2026-07-10 01:06:08.408 10 WARNING neutronclient.v2_0.client [None req-b8553d7f-7f08-49a6-95d5-317baf7a4d76 7e6265443492420ab1626c3b24464513 2eb1eb0085cc4c7a854f1c323948229d - - 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 5440745c-0b7f-490d-b739-0ae00267b30c. 2026-07-10 01:06:08.795 10 WARNING neutronclient.v2_0.client [None req-b8553d7f-7f08-49a6-95d5-317baf7a4d76 7e6265443492420ab1626c3b24464513 2eb1eb0085cc4c7a854f1c323948229d - - 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 5440745c-0b7f-490d-b739-0ae00267b30c. 2026-07-10 01:06:13.059 10 ERROR nova.scheduler.utils [None req-36e64bd7-5246-46f7-8f5a-5c67bca876cd 45d68ddfb08d4f85be832190a01c0178 c19e04f387974e8ba4694aeef7e8c7ee - - default default] [instance: 1892f77f-e107-4c0c-9d48-ade83f8db3e9] 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 1892f77f-e107-4c0c-9d48-ade83f8db3e9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 01:06:13.060 10 WARNING nova.scheduler.utils [None req-36e64bd7-5246-46f7-8f5a-5c67bca876cd 45d68ddfb08d4f85be832190a01c0178 c19e04f387974e8ba4694aeef7e8c7ee - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1892f77f-e107-4c0c-9d48-ade83f8db3e9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1892f77f-e107-4c0c-9d48-ade83f8db3e9. 2026-07-10 01:06:13.060 10 WARNING nova.scheduler.utils [None req-36e64bd7-5246-46f7-8f5a-5c67bca876cd 45d68ddfb08d4f85be832190a01c0178 c19e04f387974e8ba4694aeef7e8c7ee - - default default] [instance: 1892f77f-e107-4c0c-9d48-ade83f8db3e9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1892f77f-e107-4c0c-9d48-ade83f8db3e9. 2026-07-10 01:06:13.111 10 WARNING neutronclient.v2_0.client [None req-36e64bd7-5246-46f7-8f5a-5c67bca876cd 45d68ddfb08d4f85be832190a01c0178 c19e04f387974e8ba4694aeef7e8c7ee - - 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 1892f77f-e107-4c0c-9d48-ade83f8db3e9. 2026-07-10 01:06:13.243 10 WARNING neutronclient.v2_0.client [None req-36e64bd7-5246-46f7-8f5a-5c67bca876cd 45d68ddfb08d4f85be832190a01c0178 c19e04f387974e8ba4694aeef7e8c7ee - - 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 1892f77f-e107-4c0c-9d48-ade83f8db3e9. 2026-07-10 01:06:15.081 10 ERROR nova.scheduler.utils [None req-8a7baa5a-2368-460f-9aeb-0aed815e4161 d8d5b720d52e421e841422f50d6caff9 d3bda5229e5c40cb8376bdbd36127000 - - default default] [instance: fe5a760a-8ba7-416b-8c2c-b750aff0cf0d] 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 fe5a760a-8ba7-416b-8c2c-b750aff0cf0d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 01:06:15.083 10 WARNING nova.scheduler.utils [None req-8a7baa5a-2368-460f-9aeb-0aed815e4161 d8d5b720d52e421e841422f50d6caff9 d3bda5229e5c40cb8376bdbd36127000 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fe5a760a-8ba7-416b-8c2c-b750aff0cf0d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fe5a760a-8ba7-416b-8c2c-b750aff0cf0d. 2026-07-10 01:06:15.084 10 WARNING nova.scheduler.utils [None req-8a7baa5a-2368-460f-9aeb-0aed815e4161 d8d5b720d52e421e841422f50d6caff9 d3bda5229e5c40cb8376bdbd36127000 - - default default] [instance: fe5a760a-8ba7-416b-8c2c-b750aff0cf0d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fe5a760a-8ba7-416b-8c2c-b750aff0cf0d. 2026-07-10 01:06:15.129 10 WARNING neutronclient.v2_0.client [None req-8a7baa5a-2368-460f-9aeb-0aed815e4161 d8d5b720d52e421e841422f50d6caff9 d3bda5229e5c40cb8376bdbd36127000 - - 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 fe5a760a-8ba7-416b-8c2c-b750aff0cf0d. 2026-07-10 01:06:16.409 10 WARNING neutronclient.v2_0.client [None req-8a7baa5a-2368-460f-9aeb-0aed815e4161 d8d5b720d52e421e841422f50d6caff9 d3bda5229e5c40cb8376bdbd36127000 - - 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 fe5a760a-8ba7-416b-8c2c-b750aff0cf0d. 2026-07-10 01:06:37.520 10 ERROR nova.scheduler.utils [None req-5683e5a8-84ce-4033-81e4-62f19ca2deec ef39e30bdd204011b8afd0aa6f937d5b 39365c0c81724de9a2b764148b21d2a0 - - default default] [instance: 6a7ed981-f7a2-4633-9fd8-19f921ab7a55] 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 6a7ed981-f7a2-4633-9fd8-19f921ab7a55 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 01:06:37.522 10 WARNING nova.scheduler.utils [None req-5683e5a8-84ce-4033-81e4-62f19ca2deec ef39e30bdd204011b8afd0aa6f937d5b 39365c0c81724de9a2b764148b21d2a0 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6a7ed981-f7a2-4633-9fd8-19f921ab7a55.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6a7ed981-f7a2-4633-9fd8-19f921ab7a55. 2026-07-10 01:06:37.523 10 WARNING nova.scheduler.utils [None req-5683e5a8-84ce-4033-81e4-62f19ca2deec ef39e30bdd204011b8afd0aa6f937d5b 39365c0c81724de9a2b764148b21d2a0 - - default default] [instance: 6a7ed981-f7a2-4633-9fd8-19f921ab7a55] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6a7ed981-f7a2-4633-9fd8-19f921ab7a55. 2026-07-10 01:06:37.575 10 WARNING neutronclient.v2_0.client [None req-5683e5a8-84ce-4033-81e4-62f19ca2deec ef39e30bdd204011b8afd0aa6f937d5b 39365c0c81724de9a2b764148b21d2a0 - - 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 6a7ed981-f7a2-4633-9fd8-19f921ab7a55. 2026-07-10 01:06:37.659 10 WARNING neutronclient.v2_0.client [None req-5683e5a8-84ce-4033-81e4-62f19ca2deec ef39e30bdd204011b8afd0aa6f937d5b 39365c0c81724de9a2b764148b21d2a0 - - 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 6a7ed981-f7a2-4633-9fd8-19f921ab7a55. 2026-07-10 01:06:42.145 12 ERROR nova.scheduler.utils [None req-65b171cb-77d1-4397-9622-9066108b57d7 c33afc13f019410f87a341ea84f57525 73f9e8d9a535465da39e4590e4eca3dc - - default default] [instance: 769746f2-a497-44a7-bafa-990296e90dc3] 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 769746f2-a497-44a7-bafa-990296e90dc3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 01:06:42.146 12 WARNING nova.scheduler.utils [None req-65b171cb-77d1-4397-9622-9066108b57d7 c33afc13f019410f87a341ea84f57525 73f9e8d9a535465da39e4590e4eca3dc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 769746f2-a497-44a7-bafa-990296e90dc3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 769746f2-a497-44a7-bafa-990296e90dc3. 2026-07-10 01:06:42.146 12 WARNING nova.scheduler.utils [None req-65b171cb-77d1-4397-9622-9066108b57d7 c33afc13f019410f87a341ea84f57525 73f9e8d9a535465da39e4590e4eca3dc - - default default] [instance: 769746f2-a497-44a7-bafa-990296e90dc3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 769746f2-a497-44a7-bafa-990296e90dc3. 2026-07-10 01:06:42.258 12 WARNING neutronclient.v2_0.client [None req-65b171cb-77d1-4397-9622-9066108b57d7 c33afc13f019410f87a341ea84f57525 73f9e8d9a535465da39e4590e4eca3dc - - 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 769746f2-a497-44a7-bafa-990296e90dc3. 2026-07-10 01:06:42.896 12 WARNING neutronclient.v2_0.client [None req-65b171cb-77d1-4397-9622-9066108b57d7 c33afc13f019410f87a341ea84f57525 73f9e8d9a535465da39e4590e4eca3dc - - 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 769746f2-a497-44a7-bafa-990296e90dc3. 2026-07-10 01:07:07.642 10 ERROR nova.scheduler.utils [None req-d40db961-b894-40a6-b7e8-222c7872622b 1472d614724e4728a1c0da6536e6e1d6 ca05e157a9a94ee7903530a76e7e6e04 - - default default] [instance: 2efb3119-9fc5-4a9e-8c00-02e52d1fce49] 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 2efb3119-9fc5-4a9e-8c00-02e52d1fce49 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 01:07:07.644 10 WARNING nova.scheduler.utils [None req-d40db961-b894-40a6-b7e8-222c7872622b 1472d614724e4728a1c0da6536e6e1d6 ca05e157a9a94ee7903530a76e7e6e04 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2efb3119-9fc5-4a9e-8c00-02e52d1fce49.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2efb3119-9fc5-4a9e-8c00-02e52d1fce49. 2026-07-10 01:07:07.644 10 WARNING nova.scheduler.utils [None req-d40db961-b894-40a6-b7e8-222c7872622b 1472d614724e4728a1c0da6536e6e1d6 ca05e157a9a94ee7903530a76e7e6e04 - - default default] [instance: 2efb3119-9fc5-4a9e-8c00-02e52d1fce49] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2efb3119-9fc5-4a9e-8c00-02e52d1fce49. 2026-07-10 01:07:07.682 10 WARNING neutronclient.v2_0.client [None req-d40db961-b894-40a6-b7e8-222c7872622b 1472d614724e4728a1c0da6536e6e1d6 ca05e157a9a94ee7903530a76e7e6e04 - - 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 2efb3119-9fc5-4a9e-8c00-02e52d1fce49. 2026-07-10 01:07:07.778 10 WARNING neutronclient.v2_0.client [None req-d40db961-b894-40a6-b7e8-222c7872622b 1472d614724e4728a1c0da6536e6e1d6 ca05e157a9a94ee7903530a76e7e6e04 - - 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 2efb3119-9fc5-4a9e-8c00-02e52d1fce49. 2026-07-10 01:07:45.278 12 INFO nova.utils [None req-0b22f70f-1e81-4b9d-9640-1e07cd656e32 4a4be8f839574c1ab27692fc2fca3af4 416b5c7620cb48e19059af8a02b3e68b - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-10 01:07:45.422 12 INFO nova.compute.rpcapi [None req-9bf715cb-3d0a-4301-a110-6503e6a470dd - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-10 01:08:05.257 12 ERROR nova.scheduler.utils [None req-0b22f70f-1e81-4b9d-9640-1e07cd656e32 4a4be8f839574c1ab27692fc2fca3af4 416b5c7620cb48e19059af8a02b3e68b - - default default] [instance: 12ff6086-44de-4d42-a47e-542160c206a9] 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 12ff6086-44de-4d42-a47e-542160c206a9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 01:08:05.259 12 WARNING nova.scheduler.utils [None req-0b22f70f-1e81-4b9d-9640-1e07cd656e32 4a4be8f839574c1ab27692fc2fca3af4 416b5c7620cb48e19059af8a02b3e68b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 12ff6086-44de-4d42-a47e-542160c206a9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 12ff6086-44de-4d42-a47e-542160c206a9. 2026-07-10 01:08:05.260 12 WARNING nova.scheduler.utils [None req-0b22f70f-1e81-4b9d-9640-1e07cd656e32 4a4be8f839574c1ab27692fc2fca3af4 416b5c7620cb48e19059af8a02b3e68b - - default default] [instance: 12ff6086-44de-4d42-a47e-542160c206a9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 12ff6086-44de-4d42-a47e-542160c206a9. 2026-07-10 01:08:05.305 12 WARNING neutronclient.v2_0.client [None req-0b22f70f-1e81-4b9d-9640-1e07cd656e32 4a4be8f839574c1ab27692fc2fca3af4 416b5c7620cb48e19059af8a02b3e68b - - 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 12ff6086-44de-4d42-a47e-542160c206a9. 2026-07-10 01:08:05.516 12 WARNING neutronclient.v2_0.client [None req-0b22f70f-1e81-4b9d-9640-1e07cd656e32 4a4be8f839574c1ab27692fc2fca3af4 416b5c7620cb48e19059af8a02b3e68b - - 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 12ff6086-44de-4d42-a47e-542160c206a9. 2026-07-10 01:08:29.922 10 ERROR nova.scheduler.utils [None req-f3dfcccb-3573-4150-8a32-fc75b96d5f8a bad5595aeb1f4ac0b9cd5888a528dee5 c69bc97703014921a10c56c4a1215b60 - - default default] [instance: 18b420ec-2f46-4714-b5cc-aeea5ea25a6a] 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 18b420ec-2f46-4714-b5cc-aeea5ea25a6a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 01:08:29.923 10 WARNING nova.scheduler.utils [None req-f3dfcccb-3573-4150-8a32-fc75b96d5f8a bad5595aeb1f4ac0b9cd5888a528dee5 c69bc97703014921a10c56c4a1215b60 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 18b420ec-2f46-4714-b5cc-aeea5ea25a6a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 18b420ec-2f46-4714-b5cc-aeea5ea25a6a. 2026-07-10 01:08:29.923 10 WARNING nova.scheduler.utils [None req-f3dfcccb-3573-4150-8a32-fc75b96d5f8a bad5595aeb1f4ac0b9cd5888a528dee5 c69bc97703014921a10c56c4a1215b60 - - default default] [instance: 18b420ec-2f46-4714-b5cc-aeea5ea25a6a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 18b420ec-2f46-4714-b5cc-aeea5ea25a6a. 2026-07-10 01:08:29.975 10 WARNING neutronclient.v2_0.client [None req-f3dfcccb-3573-4150-8a32-fc75b96d5f8a bad5595aeb1f4ac0b9cd5888a528dee5 c69bc97703014921a10c56c4a1215b60 - - 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 18b420ec-2f46-4714-b5cc-aeea5ea25a6a. 2026-07-10 01:08:30.277 10 WARNING neutronclient.v2_0.client [None req-f3dfcccb-3573-4150-8a32-fc75b96d5f8a bad5595aeb1f4ac0b9cd5888a528dee5 c69bc97703014921a10c56c4a1215b60 - - 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 18b420ec-2f46-4714-b5cc-aeea5ea25a6a. 2026-07-10 01:09:43.689 12 ERROR nova.scheduler.utils [None req-e778dccd-1ba3-4ee3-aa2b-39af22a645ef 5ff34f08442243c2afb82bab96f88c99 e0b29bc5747c4914aafceabd2fb7ff7c - - default default] [instance: 0c152195-5e27-45e7-a481-146b1fb34732] 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 0c152195-5e27-45e7-a481-146b1fb34732 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 01:09:43.690 12 WARNING nova.scheduler.utils [None req-e778dccd-1ba3-4ee3-aa2b-39af22a645ef 5ff34f08442243c2afb82bab96f88c99 e0b29bc5747c4914aafceabd2fb7ff7c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0c152195-5e27-45e7-a481-146b1fb34732.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0c152195-5e27-45e7-a481-146b1fb34732. 2026-07-10 01:09:43.690 12 WARNING nova.scheduler.utils [None req-e778dccd-1ba3-4ee3-aa2b-39af22a645ef 5ff34f08442243c2afb82bab96f88c99 e0b29bc5747c4914aafceabd2fb7ff7c - - default default] [instance: 0c152195-5e27-45e7-a481-146b1fb34732] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0c152195-5e27-45e7-a481-146b1fb34732. 2026-07-10 01:09:43.730 12 WARNING neutronclient.v2_0.client [None req-e778dccd-1ba3-4ee3-aa2b-39af22a645ef 5ff34f08442243c2afb82bab96f88c99 e0b29bc5747c4914aafceabd2fb7ff7c - - 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 0c152195-5e27-45e7-a481-146b1fb34732. 2026-07-10 01:09:43.760 12 WARNING neutronclient.v2_0.client [None req-e778dccd-1ba3-4ee3-aa2b-39af22a645ef 5ff34f08442243c2afb82bab96f88c99 e0b29bc5747c4914aafceabd2fb7ff7c - - 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 0c152195-5e27-45e7-a481-146b1fb34732. 2026-07-10 01:10:50.100 10 ERROR nova.scheduler.utils [None req-a85de526-9e6f-45e6-808b-cec5d6529568 c6738cf48317465a9fbfb1d6da8cf2bd 793d78180462449391e6a8f0c66fd59e - - default default] [instance: adaf27ef-dbbd-4d86-ba83-8ee06f8e2137] 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 adaf27ef-dbbd-4d86-ba83-8ee06f8e2137 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 01:10:50.101 10 WARNING nova.scheduler.utils [None req-a85de526-9e6f-45e6-808b-cec5d6529568 c6738cf48317465a9fbfb1d6da8cf2bd 793d78180462449391e6a8f0c66fd59e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance adaf27ef-dbbd-4d86-ba83-8ee06f8e2137.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance adaf27ef-dbbd-4d86-ba83-8ee06f8e2137. 2026-07-10 01:10:50.102 10 WARNING nova.scheduler.utils [None req-a85de526-9e6f-45e6-808b-cec5d6529568 c6738cf48317465a9fbfb1d6da8cf2bd 793d78180462449391e6a8f0c66fd59e - - default default] [instance: adaf27ef-dbbd-4d86-ba83-8ee06f8e2137] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance adaf27ef-dbbd-4d86-ba83-8ee06f8e2137. 2026-07-10 01:10:50.145 10 WARNING neutronclient.v2_0.client [None req-a85de526-9e6f-45e6-808b-cec5d6529568 c6738cf48317465a9fbfb1d6da8cf2bd 793d78180462449391e6a8f0c66fd59e - - 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 adaf27ef-dbbd-4d86-ba83-8ee06f8e2137. 2026-07-10 01:10:50.175 10 WARNING neutronclient.v2_0.client [None req-a85de526-9e6f-45e6-808b-cec5d6529568 c6738cf48317465a9fbfb1d6da8cf2bd 793d78180462449391e6a8f0c66fd59e - - 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 adaf27ef-dbbd-4d86-ba83-8ee06f8e2137.