+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-13 20:36:15.994 1 INFO nova.utils [None req-bb322611-2529-48da-98b2-f48614fd4fa7 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-13 20:36:16.174 1 INFO nova.utils [None req-bb322611-2529-48da-98b2-f48614fd4fa7 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-13 20:36:17.174 1 INFO nova.utils [None req-bb322611-2529-48da-98b2-f48614fd4fa7 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-13 20:36:17.177 1 WARNING oslo_service.backend._threading.service [None req-bb322611-2529-48da-98b2-f48614fd4fa7 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-13 20:36:17.186 1 WARNING oslo_config.cfg [None req-bb322611-2529-48da-98b2-f48614fd4fa7 - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal ( Support for image service configuration via standard keystoneauth1 Adapter options was added in the 17.0.0 Queens release. The api_servers option was retained temporarily to allow consumers time to cut over to a real load balancing solution. ). Its value may be silently ignored in the future. 2026-07-13 20:36:17.233 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-13 20:36:17.247 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-13 21:15:22.305 10 INFO nova.utils [None req-f5ad786f-7a60-4008-9bcb-0e56c86989f4 81b46df5b4e24653959b38e24fa4660c 654f3197f0594a588a9bfd32d58cd255 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-13 21:15:22.522 10 INFO nova.compute.rpcapi [None req-a5c44c90-f32a-4cfd-9f06-46160da86b90 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-13 21:15:35.853 12 INFO nova.utils [None req-54712230-e04e-43ef-bd43-0c5cedc41695 3e4f4a16080c4e77923ccbb29223fdce 4def44b112094782801c00c6738648ea - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-13 21:15:36.025 12 INFO nova.compute.rpcapi [None req-cfb27973-4dbb-4d27-b941-a36aff9d8c1a - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-13 21:15:37.554 10 ERROR nova.scheduler.utils [None req-f5ad786f-7a60-4008-9bcb-0e56c86989f4 81b46df5b4e24653959b38e24fa4660c 654f3197f0594a588a9bfd32d58cd255 - - default default] [instance: b04daf9a-806b-4dbb-b1f7-5d368158761b] 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 b04daf9a-806b-4dbb-b1f7-5d368158761b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 21:15:37.555 10 WARNING nova.scheduler.utils [None req-f5ad786f-7a60-4008-9bcb-0e56c86989f4 81b46df5b4e24653959b38e24fa4660c 654f3197f0594a588a9bfd32d58cd255 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b04daf9a-806b-4dbb-b1f7-5d368158761b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b04daf9a-806b-4dbb-b1f7-5d368158761b. 2026-07-13 21:15:37.556 10 WARNING nova.scheduler.utils [None req-f5ad786f-7a60-4008-9bcb-0e56c86989f4 81b46df5b4e24653959b38e24fa4660c 654f3197f0594a588a9bfd32d58cd255 - - default default] [instance: b04daf9a-806b-4dbb-b1f7-5d368158761b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b04daf9a-806b-4dbb-b1f7-5d368158761b. 2026-07-13 21:15:37.677 10 WARNING neutronclient.v2_0.client [None req-f5ad786f-7a60-4008-9bcb-0e56c86989f4 81b46df5b4e24653959b38e24fa4660c 654f3197f0594a588a9bfd32d58cd255 - - 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 b04daf9a-806b-4dbb-b1f7-5d368158761b. 2026-07-13 21:15:38.555 10 WARNING neutronclient.v2_0.client [None req-f5ad786f-7a60-4008-9bcb-0e56c86989f4 81b46df5b4e24653959b38e24fa4660c 654f3197f0594a588a9bfd32d58cd255 - - 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 b04daf9a-806b-4dbb-b1f7-5d368158761b. 2026-07-13 21:15:44.213 10 ERROR nova.scheduler.utils [None req-8d2a1ee1-8390-4e57-9c5d-273d5581df24 f1b4dff6a8d943b6832cbfc0e2b01009 74c0e05e41ef4bca91a4b8a243db1978 - - default default] [instance: 47dbadd2-0065-456e-b4aa-4a6ed3184c65] 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 47dbadd2-0065-456e-b4aa-4a6ed3184c65 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 21:15:44.214 10 WARNING nova.scheduler.utils [None req-8d2a1ee1-8390-4e57-9c5d-273d5581df24 f1b4dff6a8d943b6832cbfc0e2b01009 74c0e05e41ef4bca91a4b8a243db1978 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 47dbadd2-0065-456e-b4aa-4a6ed3184c65.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 47dbadd2-0065-456e-b4aa-4a6ed3184c65. 2026-07-13 21:15:44.214 10 WARNING nova.scheduler.utils [None req-8d2a1ee1-8390-4e57-9c5d-273d5581df24 f1b4dff6a8d943b6832cbfc0e2b01009 74c0e05e41ef4bca91a4b8a243db1978 - - default default] [instance: 47dbadd2-0065-456e-b4aa-4a6ed3184c65] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 47dbadd2-0065-456e-b4aa-4a6ed3184c65. 2026-07-13 21:15:44.259 10 WARNING neutronclient.v2_0.client [None req-8d2a1ee1-8390-4e57-9c5d-273d5581df24 f1b4dff6a8d943b6832cbfc0e2b01009 74c0e05e41ef4bca91a4b8a243db1978 - - 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 47dbadd2-0065-456e-b4aa-4a6ed3184c65. 2026-07-13 21:15:44.304 10 WARNING neutronclient.v2_0.client [None req-8d2a1ee1-8390-4e57-9c5d-273d5581df24 f1b4dff6a8d943b6832cbfc0e2b01009 74c0e05e41ef4bca91a4b8a243db1978 - - 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 47dbadd2-0065-456e-b4aa-4a6ed3184c65. 2026-07-13 21:15:50.847 10 ERROR nova.scheduler.utils [None req-54712230-e04e-43ef-bd43-0c5cedc41695 3e4f4a16080c4e77923ccbb29223fdce 4def44b112094782801c00c6738648ea - - default default] [instance: c5f5526f-d50d-4e38-84ca-925075e81073] 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 c5f5526f-d50d-4e38-84ca-925075e81073 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 21:15:50.848 10 WARNING nova.scheduler.utils [None req-54712230-e04e-43ef-bd43-0c5cedc41695 3e4f4a16080c4e77923ccbb29223fdce 4def44b112094782801c00c6738648ea - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c5f5526f-d50d-4e38-84ca-925075e81073.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c5f5526f-d50d-4e38-84ca-925075e81073. 2026-07-13 21:15:50.848 10 WARNING nova.scheduler.utils [None req-54712230-e04e-43ef-bd43-0c5cedc41695 3e4f4a16080c4e77923ccbb29223fdce 4def44b112094782801c00c6738648ea - - default default] [instance: c5f5526f-d50d-4e38-84ca-925075e81073] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c5f5526f-d50d-4e38-84ca-925075e81073. 2026-07-13 21:15:50.892 10 WARNING neutronclient.v2_0.client [None req-54712230-e04e-43ef-bd43-0c5cedc41695 3e4f4a16080c4e77923ccbb29223fdce 4def44b112094782801c00c6738648ea - - 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 c5f5526f-d50d-4e38-84ca-925075e81073. 2026-07-13 21:15:50.921 10 WARNING neutronclient.v2_0.client [None req-54712230-e04e-43ef-bd43-0c5cedc41695 3e4f4a16080c4e77923ccbb29223fdce 4def44b112094782801c00c6738648ea - - 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 c5f5526f-d50d-4e38-84ca-925075e81073. 2026-07-13 21:16:06.503 10 ERROR nova.scheduler.utils [None req-ffe50f91-68d2-4299-aca6-271775149a2c 7ea36be579a94899a78f260f4ae50914 02c142f76c2047c1a981631678c0593c - - default default] [instance: 96571b45-b2a8-428c-b4b4-b941df77b17f] 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 96571b45-b2a8-428c-b4b4-b941df77b17f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 21:16:06.504 10 WARNING nova.scheduler.utils [None req-ffe50f91-68d2-4299-aca6-271775149a2c 7ea36be579a94899a78f260f4ae50914 02c142f76c2047c1a981631678c0593c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 96571b45-b2a8-428c-b4b4-b941df77b17f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 96571b45-b2a8-428c-b4b4-b941df77b17f. 2026-07-13 21:16:06.505 10 WARNING nova.scheduler.utils [None req-ffe50f91-68d2-4299-aca6-271775149a2c 7ea36be579a94899a78f260f4ae50914 02c142f76c2047c1a981631678c0593c - - default default] [instance: 96571b45-b2a8-428c-b4b4-b941df77b17f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 96571b45-b2a8-428c-b4b4-b941df77b17f. 2026-07-13 21:16:06.568 10 WARNING neutronclient.v2_0.client [None req-ffe50f91-68d2-4299-aca6-271775149a2c 7ea36be579a94899a78f260f4ae50914 02c142f76c2047c1a981631678c0593c - - 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 96571b45-b2a8-428c-b4b4-b941df77b17f. 2026-07-13 21:16:06.602 10 WARNING neutronclient.v2_0.client [None req-ffe50f91-68d2-4299-aca6-271775149a2c 7ea36be579a94899a78f260f4ae50914 02c142f76c2047c1a981631678c0593c - - 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 96571b45-b2a8-428c-b4b4-b941df77b17f. 2026-07-13 21:16:20.535 12 ERROR nova.scheduler.utils [None req-9cd37170-582f-4993-9a45-5c82df00b3a8 0a32f8f1250c418bb73046c86f279ed5 862b5394a50b46cf8d75529d528eefa6 - - default default] [instance: 68a88700-6c53-4f5c-a3a6-5381721dea29] 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 68a88700-6c53-4f5c-a3a6-5381721dea29 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 21:16:20.536 12 WARNING nova.scheduler.utils [None req-9cd37170-582f-4993-9a45-5c82df00b3a8 0a32f8f1250c418bb73046c86f279ed5 862b5394a50b46cf8d75529d528eefa6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 68a88700-6c53-4f5c-a3a6-5381721dea29.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 68a88700-6c53-4f5c-a3a6-5381721dea29. 2026-07-13 21:16:20.536 12 WARNING nova.scheduler.utils [None req-9cd37170-582f-4993-9a45-5c82df00b3a8 0a32f8f1250c418bb73046c86f279ed5 862b5394a50b46cf8d75529d528eefa6 - - default default] [instance: 68a88700-6c53-4f5c-a3a6-5381721dea29] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 68a88700-6c53-4f5c-a3a6-5381721dea29. 2026-07-13 21:16:20.647 12 WARNING neutronclient.v2_0.client [None req-9cd37170-582f-4993-9a45-5c82df00b3a8 0a32f8f1250c418bb73046c86f279ed5 862b5394a50b46cf8d75529d528eefa6 - - 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 68a88700-6c53-4f5c-a3a6-5381721dea29. 2026-07-13 21:16:21.390 12 WARNING neutronclient.v2_0.client [None req-9cd37170-582f-4993-9a45-5c82df00b3a8 0a32f8f1250c418bb73046c86f279ed5 862b5394a50b46cf8d75529d528eefa6 - - 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 68a88700-6c53-4f5c-a3a6-5381721dea29. 2026-07-13 21:16:47.736 10 ERROR nova.scheduler.utils [None req-8944ff5d-ee7c-4357-a817-7023e1ffd483 b950689a6543458bb87a3e337a8c8f0d 8f5b6b163a3c4f888f1bfeeb8dc406f9 - - default default] [instance: a6e2ea78-f12a-48f9-8a3c-e410f4e52503] 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 a6e2ea78-f12a-48f9-8a3c-e410f4e52503 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 21:16:47.739 10 WARNING nova.scheduler.utils [None req-8944ff5d-ee7c-4357-a817-7023e1ffd483 b950689a6543458bb87a3e337a8c8f0d 8f5b6b163a3c4f888f1bfeeb8dc406f9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a6e2ea78-f12a-48f9-8a3c-e410f4e52503.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a6e2ea78-f12a-48f9-8a3c-e410f4e52503. 2026-07-13 21:16:47.739 10 WARNING nova.scheduler.utils [None req-8944ff5d-ee7c-4357-a817-7023e1ffd483 b950689a6543458bb87a3e337a8c8f0d 8f5b6b163a3c4f888f1bfeeb8dc406f9 - - default default] [instance: a6e2ea78-f12a-48f9-8a3c-e410f4e52503] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a6e2ea78-f12a-48f9-8a3c-e410f4e52503. 2026-07-13 21:16:47.795 10 WARNING neutronclient.v2_0.client [None req-8944ff5d-ee7c-4357-a817-7023e1ffd483 b950689a6543458bb87a3e337a8c8f0d 8f5b6b163a3c4f888f1bfeeb8dc406f9 - - 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 a6e2ea78-f12a-48f9-8a3c-e410f4e52503. 2026-07-13 21:16:47.826 10 WARNING neutronclient.v2_0.client [None req-8944ff5d-ee7c-4357-a817-7023e1ffd483 b950689a6543458bb87a3e337a8c8f0d 8f5b6b163a3c4f888f1bfeeb8dc406f9 - - 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 a6e2ea78-f12a-48f9-8a3c-e410f4e52503. 2026-07-13 21:17:03.018 12 ERROR nova.scheduler.utils [None req-ee7e450c-fb43-4a13-8843-21e8686c2cff 7c9d9217960c4b18955b069c3207fe47 3a8c5c52335a42e2bf79d80c9b6e10e8 - - default default] [instance: 27a947be-5c1b-496d-a158-9d7bad9121b9] 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 27a947be-5c1b-496d-a158-9d7bad9121b9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 21:17:03.019 12 WARNING nova.scheduler.utils [None req-ee7e450c-fb43-4a13-8843-21e8686c2cff 7c9d9217960c4b18955b069c3207fe47 3a8c5c52335a42e2bf79d80c9b6e10e8 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27a947be-5c1b-496d-a158-9d7bad9121b9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27a947be-5c1b-496d-a158-9d7bad9121b9. 2026-07-13 21:17:03.020 12 WARNING nova.scheduler.utils [None req-ee7e450c-fb43-4a13-8843-21e8686c2cff 7c9d9217960c4b18955b069c3207fe47 3a8c5c52335a42e2bf79d80c9b6e10e8 - - default default] [instance: 27a947be-5c1b-496d-a158-9d7bad9121b9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27a947be-5c1b-496d-a158-9d7bad9121b9. 2026-07-13 21:17:03.064 12 WARNING neutronclient.v2_0.client [None req-ee7e450c-fb43-4a13-8843-21e8686c2cff 7c9d9217960c4b18955b069c3207fe47 3a8c5c52335a42e2bf79d80c9b6e10e8 - - 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 27a947be-5c1b-496d-a158-9d7bad9121b9. 2026-07-13 21:17:03.096 12 WARNING neutronclient.v2_0.client [None req-ee7e450c-fb43-4a13-8843-21e8686c2cff 7c9d9217960c4b18955b069c3207fe47 3a8c5c52335a42e2bf79d80c9b6e10e8 - - 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 27a947be-5c1b-496d-a158-9d7bad9121b9. 2026-07-13 21:17:09.058 10 ERROR nova.scheduler.utils [None req-547d1e02-f2e1-4ca4-b280-08071975e16b 3d6ee00f01054b2ea18d6dc49afbac29 b91c19596c784e41b76ca482067b2a43 - - default default] [instance: 06ab383c-a8ab-4ce3-a57b-dca5f1a73203] 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 06ab383c-a8ab-4ce3-a57b-dca5f1a73203 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 21:17:09.060 10 WARNING nova.scheduler.utils [None req-547d1e02-f2e1-4ca4-b280-08071975e16b 3d6ee00f01054b2ea18d6dc49afbac29 b91c19596c784e41b76ca482067b2a43 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 06ab383c-a8ab-4ce3-a57b-dca5f1a73203.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 06ab383c-a8ab-4ce3-a57b-dca5f1a73203. 2026-07-13 21:17:09.061 10 WARNING nova.scheduler.utils [None req-547d1e02-f2e1-4ca4-b280-08071975e16b 3d6ee00f01054b2ea18d6dc49afbac29 b91c19596c784e41b76ca482067b2a43 - - default default] [instance: 06ab383c-a8ab-4ce3-a57b-dca5f1a73203] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 06ab383c-a8ab-4ce3-a57b-dca5f1a73203. 2026-07-13 21:17:09.118 10 WARNING neutronclient.v2_0.client [None req-547d1e02-f2e1-4ca4-b280-08071975e16b 3d6ee00f01054b2ea18d6dc49afbac29 b91c19596c784e41b76ca482067b2a43 - - 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 06ab383c-a8ab-4ce3-a57b-dca5f1a73203. 2026-07-13 21:17:09.153 10 WARNING neutronclient.v2_0.client [None req-547d1e02-f2e1-4ca4-b280-08071975e16b 3d6ee00f01054b2ea18d6dc49afbac29 b91c19596c784e41b76ca482067b2a43 - - 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 06ab383c-a8ab-4ce3-a57b-dca5f1a73203. 2026-07-13 21:17:40.133 12 ERROR nova.scheduler.utils [None req-670ef7f6-8e5c-478d-b5a7-41b477fbfc00 29f304c2db0f4dbab85a8b96a56db9e2 6cddf823bb42492381dd8a01db8f5cd9 - - default default] [instance: d60e3e48-d122-4733-a94c-aaf704fed5af] 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 d60e3e48-d122-4733-a94c-aaf704fed5af was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 21:17:40.134 12 WARNING nova.scheduler.utils [None req-670ef7f6-8e5c-478d-b5a7-41b477fbfc00 29f304c2db0f4dbab85a8b96a56db9e2 6cddf823bb42492381dd8a01db8f5cd9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d60e3e48-d122-4733-a94c-aaf704fed5af.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d60e3e48-d122-4733-a94c-aaf704fed5af. 2026-07-13 21:17:40.134 12 WARNING nova.scheduler.utils [None req-670ef7f6-8e5c-478d-b5a7-41b477fbfc00 29f304c2db0f4dbab85a8b96a56db9e2 6cddf823bb42492381dd8a01db8f5cd9 - - default default] [instance: d60e3e48-d122-4733-a94c-aaf704fed5af] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d60e3e48-d122-4733-a94c-aaf704fed5af. 2026-07-13 21:17:40.403 12 WARNING neutronclient.v2_0.client [None req-670ef7f6-8e5c-478d-b5a7-41b477fbfc00 29f304c2db0f4dbab85a8b96a56db9e2 6cddf823bb42492381dd8a01db8f5cd9 - - 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 d60e3e48-d122-4733-a94c-aaf704fed5af. 2026-07-13 21:17:40.430 12 WARNING neutronclient.v2_0.client [None req-670ef7f6-8e5c-478d-b5a7-41b477fbfc00 29f304c2db0f4dbab85a8b96a56db9e2 6cddf823bb42492381dd8a01db8f5cd9 - - 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 d60e3e48-d122-4733-a94c-aaf704fed5af. 2026-07-13 21:18:55.298 12 ERROR nova.scheduler.utils [None req-05f513de-89b5-4e49-a787-903ea73679ee 28ea51bf81df4ecb9b5f6ccc5c9d13d9 c414ddb485364a4f9ff649aa66bb8dbf - - default default] [instance: eb2ecdf2-c7ac-41e4-9535-ce441e7d1fde] 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 eb2ecdf2-c7ac-41e4-9535-ce441e7d1fde was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-13 21:18:55.300 12 WARNING nova.scheduler.utils [None req-05f513de-89b5-4e49-a787-903ea73679ee 28ea51bf81df4ecb9b5f6ccc5c9d13d9 c414ddb485364a4f9ff649aa66bb8dbf - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eb2ecdf2-c7ac-41e4-9535-ce441e7d1fde.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eb2ecdf2-c7ac-41e4-9535-ce441e7d1fde. 2026-07-13 21:18:55.301 12 WARNING nova.scheduler.utils [None req-05f513de-89b5-4e49-a787-903ea73679ee 28ea51bf81df4ecb9b5f6ccc5c9d13d9 c414ddb485364a4f9ff649aa66bb8dbf - - default default] [instance: eb2ecdf2-c7ac-41e4-9535-ce441e7d1fde] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eb2ecdf2-c7ac-41e4-9535-ce441e7d1fde. 2026-07-13 21:18:55.382 12 WARNING neutronclient.v2_0.client [None req-05f513de-89b5-4e49-a787-903ea73679ee 28ea51bf81df4ecb9b5f6ccc5c9d13d9 c414ddb485364a4f9ff649aa66bb8dbf - - 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 eb2ecdf2-c7ac-41e4-9535-ce441e7d1fde. 2026-07-13 21:18:55.409 12 WARNING neutronclient.v2_0.client [None req-05f513de-89b5-4e49-a787-903ea73679ee 28ea51bf81df4ecb9b5f6ccc5c9d13d9 c414ddb485364a4f9ff649aa66bb8dbf - - 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 eb2ecdf2-c7ac-41e4-9535-ce441e7d1fde.