+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-09-11 23:56:14.140 1 INFO nova.utils [None req-ce76fd1d-940d-4469-a46b-38cb0985dd52 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-09-11 23:56:14.333 1 INFO nova.utils [None req-ce76fd1d-940d-4469-a46b-38cb0985dd52 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-09-11 23:56:15.333 1 INFO nova.utils [None req-ce76fd1d-940d-4469-a46b-38cb0985dd52 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-09-11 23:56:15.336 1 WARNING oslo_service.backend._threading.service [None req-ce76fd1d-940d-4469-a46b-38cb0985dd52 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-09-11 23:56:15.348 1 WARNING oslo_config.cfg [None req-ce76fd1d-940d-4469-a46b-38cb0985dd52 - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal ( Support for image service configuration via standard keystoneauth1 Adapter options was added in the 17.0.0 Queens release. The api_servers option was retained temporarily to allow consumers time to cut over to a real load balancing solution. ). Its value may be silently ignored in the future. 2026-09-11 23:56:15.408 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-09-11 23:56:15.424 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-09-12 00:36:29.589 12 INFO nova.utils [None req-d9c803fa-2a17-4765-803c-d6bf099df8ba 236640d20bf24ec28a4b696786e984ed 441f7018a50040b7882b338d27ea3d10 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-09-12 00:36:29.859 12 INFO nova.compute.rpcapi [None req-7516e9e3-3aba-4f0a-91c8-9d690274b652 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-09-12 00:36:45.477 12 ERROR nova.scheduler.utils [None req-d9c803fa-2a17-4765-803c-d6bf099df8ba 236640d20bf24ec28a4b696786e984ed 441f7018a50040b7882b338d27ea3d10 - - default default] [instance: 03a4d578-c9c9-462b-9721-80a65670f154] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 03a4d578-c9c9-462b-9721-80a65670f154 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 00:36:45.479 12 WARNING nova.scheduler.utils [None req-d9c803fa-2a17-4765-803c-d6bf099df8ba 236640d20bf24ec28a4b696786e984ed 441f7018a50040b7882b338d27ea3d10 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 03a4d578-c9c9-462b-9721-80a65670f154.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 03a4d578-c9c9-462b-9721-80a65670f154. 2026-09-12 00:36:45.479 12 WARNING nova.scheduler.utils [None req-d9c803fa-2a17-4765-803c-d6bf099df8ba 236640d20bf24ec28a4b696786e984ed 441f7018a50040b7882b338d27ea3d10 - - default default] [instance: 03a4d578-c9c9-462b-9721-80a65670f154] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 03a4d578-c9c9-462b-9721-80a65670f154. 2026-09-12 00:36:45.640 12 WARNING neutronclient.v2_0.client [None req-d9c803fa-2a17-4765-803c-d6bf099df8ba 236640d20bf24ec28a4b696786e984ed 441f7018a50040b7882b338d27ea3d10 - - 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 03a4d578-c9c9-462b-9721-80a65670f154. 2026-09-12 00:36:46.257 12 WARNING neutronclient.v2_0.client [None req-d9c803fa-2a17-4765-803c-d6bf099df8ba 236640d20bf24ec28a4b696786e984ed 441f7018a50040b7882b338d27ea3d10 - - 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 03a4d578-c9c9-462b-9721-80a65670f154. 2026-09-12 00:36:47.120 10 ERROR nova.scheduler.utils [None req-714b2ebf-ce24-4c84-937c-c651ccd1bf34 69ba7084ef974b0790bbcfa32dd31d86 a626b0880d72499aa1b696b1801add3f - - default default] [instance: 58b3ae6e-ee65-41e8-8717-cf2d383e2626] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 58b3ae6e-ee65-41e8-8717-cf2d383e2626 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 00:36:47.121 10 WARNING nova.scheduler.utils [None req-714b2ebf-ce24-4c84-937c-c651ccd1bf34 69ba7084ef974b0790bbcfa32dd31d86 a626b0880d72499aa1b696b1801add3f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 58b3ae6e-ee65-41e8-8717-cf2d383e2626.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 58b3ae6e-ee65-41e8-8717-cf2d383e2626. 2026-09-12 00:36:47.122 10 WARNING nova.scheduler.utils [None req-714b2ebf-ce24-4c84-937c-c651ccd1bf34 69ba7084ef974b0790bbcfa32dd31d86 a626b0880d72499aa1b696b1801add3f - - default default] [instance: 58b3ae6e-ee65-41e8-8717-cf2d383e2626] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 58b3ae6e-ee65-41e8-8717-cf2d383e2626. 2026-09-12 00:36:47.201 10 WARNING neutronclient.v2_0.client [None req-714b2ebf-ce24-4c84-937c-c651ccd1bf34 69ba7084ef974b0790bbcfa32dd31d86 a626b0880d72499aa1b696b1801add3f - - 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 58b3ae6e-ee65-41e8-8717-cf2d383e2626. 2026-09-12 00:36:47.709 10 WARNING neutronclient.v2_0.client [None req-714b2ebf-ce24-4c84-937c-c651ccd1bf34 69ba7084ef974b0790bbcfa32dd31d86 a626b0880d72499aa1b696b1801add3f - - 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 58b3ae6e-ee65-41e8-8717-cf2d383e2626. 2026-09-12 00:37:05.249 10 INFO nova.utils [None req-c56e82fb-f90f-482e-b49c-233010f82327 cc3bdd078d284e1e9c7c2fac5e102253 80115dbae1a24b5d8fb46cd0f98d8353 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-09-12 00:37:05.392 10 INFO nova.compute.rpcapi [None req-271333cb-fa38-4864-a328-076cf93928d8 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-09-12 00:37:15.481 10 ERROR nova.scheduler.utils [None req-d7689b02-3a3a-4415-a0c4-94a584ea2cf8 bb0373f5a6b043ecb823e7869d16b89b b9f76a7bb16b49018c9e9498711635a0 - - default default] [instance: 4688a743-d8f8-4f6b-8a2a-3a547198f30d] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 4688a743-d8f8-4f6b-8a2a-3a547198f30d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 00:37:15.482 10 WARNING nova.scheduler.utils [None req-d7689b02-3a3a-4415-a0c4-94a584ea2cf8 bb0373f5a6b043ecb823e7869d16b89b b9f76a7bb16b49018c9e9498711635a0 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4688a743-d8f8-4f6b-8a2a-3a547198f30d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4688a743-d8f8-4f6b-8a2a-3a547198f30d. 2026-09-12 00:37:15.483 10 WARNING nova.scheduler.utils [None req-d7689b02-3a3a-4415-a0c4-94a584ea2cf8 bb0373f5a6b043ecb823e7869d16b89b b9f76a7bb16b49018c9e9498711635a0 - - default default] [instance: 4688a743-d8f8-4f6b-8a2a-3a547198f30d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4688a743-d8f8-4f6b-8a2a-3a547198f30d. 2026-09-12 00:37:15.546 10 WARNING neutronclient.v2_0.client [None req-d7689b02-3a3a-4415-a0c4-94a584ea2cf8 bb0373f5a6b043ecb823e7869d16b89b b9f76a7bb16b49018c9e9498711635a0 - - 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 4688a743-d8f8-4f6b-8a2a-3a547198f30d. 2026-09-12 00:37:15.635 10 WARNING neutronclient.v2_0.client [None req-d7689b02-3a3a-4415-a0c4-94a584ea2cf8 bb0373f5a6b043ecb823e7869d16b89b b9f76a7bb16b49018c9e9498711635a0 - - 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 4688a743-d8f8-4f6b-8a2a-3a547198f30d. 2026-09-12 00:37:20.557 10 ERROR nova.scheduler.utils [None req-c56e82fb-f90f-482e-b49c-233010f82327 cc3bdd078d284e1e9c7c2fac5e102253 80115dbae1a24b5d8fb46cd0f98d8353 - - default default] [instance: 6b146a76-a616-4f6e-a698-2be64a4bcdb9] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 6b146a76-a616-4f6e-a698-2be64a4bcdb9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 00:37:20.558 10 WARNING nova.scheduler.utils [None req-c56e82fb-f90f-482e-b49c-233010f82327 cc3bdd078d284e1e9c7c2fac5e102253 80115dbae1a24b5d8fb46cd0f98d8353 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6b146a76-a616-4f6e-a698-2be64a4bcdb9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6b146a76-a616-4f6e-a698-2be64a4bcdb9. 2026-09-12 00:37:20.558 10 WARNING nova.scheduler.utils [None req-c56e82fb-f90f-482e-b49c-233010f82327 cc3bdd078d284e1e9c7c2fac5e102253 80115dbae1a24b5d8fb46cd0f98d8353 - - default default] [instance: 6b146a76-a616-4f6e-a698-2be64a4bcdb9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6b146a76-a616-4f6e-a698-2be64a4bcdb9. 2026-09-12 00:37:20.670 10 WARNING neutronclient.v2_0.client [None req-c56e82fb-f90f-482e-b49c-233010f82327 cc3bdd078d284e1e9c7c2fac5e102253 80115dbae1a24b5d8fb46cd0f98d8353 - - 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 6b146a76-a616-4f6e-a698-2be64a4bcdb9. 2026-09-12 00:37:20.713 10 WARNING neutronclient.v2_0.client [None req-c56e82fb-f90f-482e-b49c-233010f82327 cc3bdd078d284e1e9c7c2fac5e102253 80115dbae1a24b5d8fb46cd0f98d8353 - - 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 6b146a76-a616-4f6e-a698-2be64a4bcdb9. 2026-09-12 00:37:21.939 12 ERROR nova.scheduler.utils [None req-d9f231ed-8898-41c5-b902-1a6d8c865769 4a44fd3eff3447b0aa33afc4d43af62b a46cf01456a24206b6d617569b83380e - - default default] [instance: f939883d-fe5f-4af1-ace5-b653a2a1a6b8] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance f939883d-fe5f-4af1-ace5-b653a2a1a6b8 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 00:37:21.940 12 WARNING nova.scheduler.utils [None req-d9f231ed-8898-41c5-b902-1a6d8c865769 4a44fd3eff3447b0aa33afc4d43af62b a46cf01456a24206b6d617569b83380e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f939883d-fe5f-4af1-ace5-b653a2a1a6b8.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f939883d-fe5f-4af1-ace5-b653a2a1a6b8. 2026-09-12 00:37:21.941 12 WARNING nova.scheduler.utils [None req-d9f231ed-8898-41c5-b902-1a6d8c865769 4a44fd3eff3447b0aa33afc4d43af62b a46cf01456a24206b6d617569b83380e - - default default] [instance: f939883d-fe5f-4af1-ace5-b653a2a1a6b8] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f939883d-fe5f-4af1-ace5-b653a2a1a6b8. 2026-09-12 00:37:22.017 12 WARNING neutronclient.v2_0.client [None req-d9f231ed-8898-41c5-b902-1a6d8c865769 4a44fd3eff3447b0aa33afc4d43af62b a46cf01456a24206b6d617569b83380e - - 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 f939883d-fe5f-4af1-ace5-b653a2a1a6b8. 2026-09-12 00:37:22.055 12 WARNING neutronclient.v2_0.client [None req-d9f231ed-8898-41c5-b902-1a6d8c865769 4a44fd3eff3447b0aa33afc4d43af62b a46cf01456a24206b6d617569b83380e - - 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 f939883d-fe5f-4af1-ace5-b653a2a1a6b8. 2026-09-12 00:37:51.006 10 ERROR nova.scheduler.utils [None req-0cb741ab-3886-4d3f-9f47-cd6b122914ec 53972834f8dc4999a9dbe1f76d099727 2130cf4dd4d14669a3db4ff2065cd893 - - default default] [instance: c406c455-d032-457a-8494-7fc4b67167af] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance c406c455-d032-457a-8494-7fc4b67167af was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 00:37:51.007 10 WARNING nova.scheduler.utils [None req-0cb741ab-3886-4d3f-9f47-cd6b122914ec 53972834f8dc4999a9dbe1f76d099727 2130cf4dd4d14669a3db4ff2065cd893 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c406c455-d032-457a-8494-7fc4b67167af.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c406c455-d032-457a-8494-7fc4b67167af. 2026-09-12 00:37:51.007 10 WARNING nova.scheduler.utils [None req-0cb741ab-3886-4d3f-9f47-cd6b122914ec 53972834f8dc4999a9dbe1f76d099727 2130cf4dd4d14669a3db4ff2065cd893 - - default default] [instance: c406c455-d032-457a-8494-7fc4b67167af] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c406c455-d032-457a-8494-7fc4b67167af. 2026-09-12 00:37:51.046 10 WARNING neutronclient.v2_0.client [None req-0cb741ab-3886-4d3f-9f47-cd6b122914ec 53972834f8dc4999a9dbe1f76d099727 2130cf4dd4d14669a3db4ff2065cd893 - - 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 c406c455-d032-457a-8494-7fc4b67167af. 2026-09-12 00:37:51.076 10 WARNING neutronclient.v2_0.client [None req-0cb741ab-3886-4d3f-9f47-cd6b122914ec 53972834f8dc4999a9dbe1f76d099727 2130cf4dd4d14669a3db4ff2065cd893 - - 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 c406c455-d032-457a-8494-7fc4b67167af. 2026-09-12 00:37:52.702 12 ERROR nova.scheduler.utils [None req-ff712216-8a47-477c-9ef7-13ed76cc8682 10fd89c45d924b26ac29c1978ba92290 d0c8517ed07c426cae329acd170dbcd5 - - default default] [instance: c19fb0e9-c840-4e21-8942-46947e282e52] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance c19fb0e9-c840-4e21-8942-46947e282e52 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 00:37:52.702 12 WARNING nova.scheduler.utils [None req-ff712216-8a47-477c-9ef7-13ed76cc8682 10fd89c45d924b26ac29c1978ba92290 d0c8517ed07c426cae329acd170dbcd5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c19fb0e9-c840-4e21-8942-46947e282e52.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c19fb0e9-c840-4e21-8942-46947e282e52. 2026-09-12 00:37:52.703 12 WARNING nova.scheduler.utils [None req-ff712216-8a47-477c-9ef7-13ed76cc8682 10fd89c45d924b26ac29c1978ba92290 d0c8517ed07c426cae329acd170dbcd5 - - default default] [instance: c19fb0e9-c840-4e21-8942-46947e282e52] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c19fb0e9-c840-4e21-8942-46947e282e52. 2026-09-12 00:37:52.757 12 WARNING neutronclient.v2_0.client [None req-ff712216-8a47-477c-9ef7-13ed76cc8682 10fd89c45d924b26ac29c1978ba92290 d0c8517ed07c426cae329acd170dbcd5 - - 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 c19fb0e9-c840-4e21-8942-46947e282e52. 2026-09-12 00:37:52.858 12 WARNING neutronclient.v2_0.client [None req-ff712216-8a47-477c-9ef7-13ed76cc8682 10fd89c45d924b26ac29c1978ba92290 d0c8517ed07c426cae329acd170dbcd5 - - 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 c19fb0e9-c840-4e21-8942-46947e282e52. 2026-09-12 00:38:30.439 10 ERROR nova.scheduler.utils [None req-22e1d1ba-1a93-45b8-87a8-a9923a6daee1 5572287e845147be957b2bb5986fa533 2539e2e02c27468ca9484624fd24af9e - - default default] [instance: 9ed44846-30ff-4369-b479-fc4565e707a2] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 9ed44846-30ff-4369-b479-fc4565e707a2 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 00:38:30.440 10 WARNING nova.scheduler.utils [None req-22e1d1ba-1a93-45b8-87a8-a9923a6daee1 5572287e845147be957b2bb5986fa533 2539e2e02c27468ca9484624fd24af9e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9ed44846-30ff-4369-b479-fc4565e707a2.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9ed44846-30ff-4369-b479-fc4565e707a2. 2026-09-12 00:38:30.440 10 WARNING nova.scheduler.utils [None req-22e1d1ba-1a93-45b8-87a8-a9923a6daee1 5572287e845147be957b2bb5986fa533 2539e2e02c27468ca9484624fd24af9e - - default default] [instance: 9ed44846-30ff-4369-b479-fc4565e707a2] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9ed44846-30ff-4369-b479-fc4565e707a2. 2026-09-12 00:38:30.650 10 WARNING neutronclient.v2_0.client [None req-22e1d1ba-1a93-45b8-87a8-a9923a6daee1 5572287e845147be957b2bb5986fa533 2539e2e02c27468ca9484624fd24af9e - - 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 9ed44846-30ff-4369-b479-fc4565e707a2. 2026-09-12 00:38:30.881 10 WARNING neutronclient.v2_0.client [None req-22e1d1ba-1a93-45b8-87a8-a9923a6daee1 5572287e845147be957b2bb5986fa533 2539e2e02c27468ca9484624fd24af9e - - 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 9ed44846-30ff-4369-b479-fc4565e707a2. 2026-09-12 00:39:21.185 10 ERROR nova.scheduler.utils [None req-385b5ac4-8e28-43e2-b4aa-12da800076d3 408732cb30444d9ba4e8fcadca4c0706 26b48175cdc54b36ad605d4ed4652129 - - default default] [instance: 69132f8a-47b5-45c4-9615-18f89885c1aa] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 69132f8a-47b5-45c4-9615-18f89885c1aa was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 00:39:21.186 10 WARNING nova.scheduler.utils [None req-385b5ac4-8e28-43e2-b4aa-12da800076d3 408732cb30444d9ba4e8fcadca4c0706 26b48175cdc54b36ad605d4ed4652129 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 69132f8a-47b5-45c4-9615-18f89885c1aa.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 69132f8a-47b5-45c4-9615-18f89885c1aa. 2026-09-12 00:39:21.187 10 WARNING nova.scheduler.utils [None req-385b5ac4-8e28-43e2-b4aa-12da800076d3 408732cb30444d9ba4e8fcadca4c0706 26b48175cdc54b36ad605d4ed4652129 - - default default] [instance: 69132f8a-47b5-45c4-9615-18f89885c1aa] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 69132f8a-47b5-45c4-9615-18f89885c1aa. 2026-09-12 00:39:21.250 10 WARNING neutronclient.v2_0.client [None req-385b5ac4-8e28-43e2-b4aa-12da800076d3 408732cb30444d9ba4e8fcadca4c0706 26b48175cdc54b36ad605d4ed4652129 - - 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 69132f8a-47b5-45c4-9615-18f89885c1aa. 2026-09-12 00:39:21.301 10 WARNING neutronclient.v2_0.client [None req-385b5ac4-8e28-43e2-b4aa-12da800076d3 408732cb30444d9ba4e8fcadca4c0706 26b48175cdc54b36ad605d4ed4652129 - - 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 69132f8a-47b5-45c4-9615-18f89885c1aa. 2026-09-12 00:41:12.932 12 ERROR nova.scheduler.utils [None req-8063deba-2331-4612-8672-99b5e3aecc6a 3567ea3147cf47939e59af1b74427d89 9989f99f6f7849609a60ce6ad1b5242d - - default default] [instance: bca02920-96f2-474f-aecf-7e89c975a770] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance bca02920-96f2-474f-aecf-7e89c975a770 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-12 00:41:12.933 12 WARNING nova.scheduler.utils [None req-8063deba-2331-4612-8672-99b5e3aecc6a 3567ea3147cf47939e59af1b74427d89 9989f99f6f7849609a60ce6ad1b5242d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bca02920-96f2-474f-aecf-7e89c975a770.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bca02920-96f2-474f-aecf-7e89c975a770. 2026-09-12 00:41:12.934 12 WARNING nova.scheduler.utils [None req-8063deba-2331-4612-8672-99b5e3aecc6a 3567ea3147cf47939e59af1b74427d89 9989f99f6f7849609a60ce6ad1b5242d - - default default] [instance: bca02920-96f2-474f-aecf-7e89c975a770] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bca02920-96f2-474f-aecf-7e89c975a770. 2026-09-12 00:41:12.998 12 WARNING neutronclient.v2_0.client [None req-8063deba-2331-4612-8672-99b5e3aecc6a 3567ea3147cf47939e59af1b74427d89 9989f99f6f7849609a60ce6ad1b5242d - - 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 bca02920-96f2-474f-aecf-7e89c975a770. 2026-09-12 00:41:13.035 12 WARNING neutronclient.v2_0.client [None req-8063deba-2331-4612-8672-99b5e3aecc6a 3567ea3147cf47939e59af1b74427d89 9989f99f6f7849609a60ce6ad1b5242d - - 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 bca02920-96f2-474f-aecf-7e89c975a770.