+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-10 22:02:29.314 1 INFO nova.utils [None req-416f1566-fdd5-4c72-8f2d-a79e5ac30ff5 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-10 22:02:29.472 1 INFO nova.utils [None req-416f1566-fdd5-4c72-8f2d-a79e5ac30ff5 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-10 22:02:30.472 1 INFO nova.utils [None req-416f1566-fdd5-4c72-8f2d-a79e5ac30ff5 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-10 22:02:30.475 1 WARNING oslo_service.backend._threading.service [None req-416f1566-fdd5-4c72-8f2d-a79e5ac30ff5 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-10 22:02:30.485 1 WARNING oslo_config.cfg [None req-416f1566-fdd5-4c72-8f2d-a79e5ac30ff5 - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal ( Support for image service configuration via standard keystoneauth1 Adapter options was added in the 17.0.0 Queens release. The api_servers option was retained temporarily to allow consumers time to cut over to a real load balancing solution. ). Its value may be silently ignored in the future. 2026-07-10 22:02:30.533 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-10 22:02:30.546 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-10 22:41:04.166 12 INFO nova.utils [None req-4aae2e8a-6fb6-4f2c-99bf-3383a399e90f f611224ea9494a439571281464ee6ccc df07f855421842e895296584255ba7ac - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-10 22:41:04.399 12 INFO nova.compute.rpcapi [None req-09fa169a-646d-4228-8433-b23b39072bac - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-10 22:41:10.164 10 INFO nova.utils [None req-42134390-17a1-4c4f-a74b-e59ba63f8b16 0da08dc38ba043efbc77d9e80cfd84aa 7ba8d629852645d68ecb529e9909118b - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-10 22:41:10.333 10 INFO nova.compute.rpcapi [None req-774c7a9e-548a-4397-9914-32705c2a16ec - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-10 22:41:27.136 12 ERROR nova.scheduler.utils [None req-4aae2e8a-6fb6-4f2c-99bf-3383a399e90f f611224ea9494a439571281464ee6ccc df07f855421842e895296584255ba7ac - - default default] [instance: 30bb8a46-602c-4e01-8cf8-b09cf41db8db] 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 30bb8a46-602c-4e01-8cf8-b09cf41db8db was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 22:41:27.136 12 WARNING nova.scheduler.utils [None req-4aae2e8a-6fb6-4f2c-99bf-3383a399e90f f611224ea9494a439571281464ee6ccc df07f855421842e895296584255ba7ac - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 30bb8a46-602c-4e01-8cf8-b09cf41db8db.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 30bb8a46-602c-4e01-8cf8-b09cf41db8db. 2026-07-10 22:41:27.137 12 WARNING nova.scheduler.utils [None req-4aae2e8a-6fb6-4f2c-99bf-3383a399e90f f611224ea9494a439571281464ee6ccc df07f855421842e895296584255ba7ac - - default default] [instance: 30bb8a46-602c-4e01-8cf8-b09cf41db8db] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 30bb8a46-602c-4e01-8cf8-b09cf41db8db. 2026-07-10 22:41:27.232 12 WARNING neutronclient.v2_0.client [None req-4aae2e8a-6fb6-4f2c-99bf-3383a399e90f f611224ea9494a439571281464ee6ccc df07f855421842e895296584255ba7ac - - 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 30bb8a46-602c-4e01-8cf8-b09cf41db8db. 2026-07-10 22:41:27.633 12 WARNING neutronclient.v2_0.client [None req-4aae2e8a-6fb6-4f2c-99bf-3383a399e90f f611224ea9494a439571281464ee6ccc df07f855421842e895296584255ba7ac - - 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 30bb8a46-602c-4e01-8cf8-b09cf41db8db. 2026-07-10 22:41:31.254 12 ERROR nova.scheduler.utils [None req-42134390-17a1-4c4f-a74b-e59ba63f8b16 0da08dc38ba043efbc77d9e80cfd84aa 7ba8d629852645d68ecb529e9909118b - - default default] [instance: 44e1c624-d636-4445-8735-d8a8e965551d] 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 44e1c624-d636-4445-8735-d8a8e965551d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 22:41:31.255 12 WARNING nova.scheduler.utils [None req-42134390-17a1-4c4f-a74b-e59ba63f8b16 0da08dc38ba043efbc77d9e80cfd84aa 7ba8d629852645d68ecb529e9909118b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 44e1c624-d636-4445-8735-d8a8e965551d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 44e1c624-d636-4445-8735-d8a8e965551d. 2026-07-10 22:41:31.255 12 WARNING nova.scheduler.utils [None req-42134390-17a1-4c4f-a74b-e59ba63f8b16 0da08dc38ba043efbc77d9e80cfd84aa 7ba8d629852645d68ecb529e9909118b - - default default] [instance: 44e1c624-d636-4445-8735-d8a8e965551d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 44e1c624-d636-4445-8735-d8a8e965551d. 2026-07-10 22:41:31.310 12 WARNING neutronclient.v2_0.client [None req-42134390-17a1-4c4f-a74b-e59ba63f8b16 0da08dc38ba043efbc77d9e80cfd84aa 7ba8d629852645d68ecb529e9909118b - - 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 44e1c624-d636-4445-8735-d8a8e965551d. 2026-07-10 22:41:31.478 12 WARNING neutronclient.v2_0.client [None req-42134390-17a1-4c4f-a74b-e59ba63f8b16 0da08dc38ba043efbc77d9e80cfd84aa 7ba8d629852645d68ecb529e9909118b - - 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 44e1c624-d636-4445-8735-d8a8e965551d. 2026-07-10 22:41:36.800 10 ERROR nova.scheduler.utils [None req-5945f9ed-8017-4911-b9ac-029e0977d240 30cc554b354a446b9d483aef9625af0c b43b23d922e0487c843e5249e852d39e - - default default] [instance: 1003d4ee-cacc-4d69-b185-418807bdc121] 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 1003d4ee-cacc-4d69-b185-418807bdc121 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 22:41:36.805 10 WARNING nova.scheduler.utils [None req-5945f9ed-8017-4911-b9ac-029e0977d240 30cc554b354a446b9d483aef9625af0c b43b23d922e0487c843e5249e852d39e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1003d4ee-cacc-4d69-b185-418807bdc121.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1003d4ee-cacc-4d69-b185-418807bdc121. 2026-07-10 22:41:36.809 10 WARNING nova.scheduler.utils [None req-5945f9ed-8017-4911-b9ac-029e0977d240 30cc554b354a446b9d483aef9625af0c b43b23d922e0487c843e5249e852d39e - - default default] [instance: 1003d4ee-cacc-4d69-b185-418807bdc121] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1003d4ee-cacc-4d69-b185-418807bdc121. 2026-07-10 22:41:36.974 10 WARNING neutronclient.v2_0.client [None req-5945f9ed-8017-4911-b9ac-029e0977d240 30cc554b354a446b9d483aef9625af0c b43b23d922e0487c843e5249e852d39e - - 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 1003d4ee-cacc-4d69-b185-418807bdc121. 2026-07-10 22:41:37.647 10 WARNING neutronclient.v2_0.client [None req-5945f9ed-8017-4911-b9ac-029e0977d240 30cc554b354a446b9d483aef9625af0c b43b23d922e0487c843e5249e852d39e - - 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 1003d4ee-cacc-4d69-b185-418807bdc121. 2026-07-10 22:41:45.381 12 ERROR nova.scheduler.utils [None req-818690e4-de09-4948-a0a9-ef52d11226de e6a8ea64d5ed4c9fbf5ad6a28b3ea0a9 58fdfc02c74d40dbb1d75fc81ca6e91c - - default default] [instance: 1c9988d0-dbf4-4b67-be43-488b08acbe0a] 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 1c9988d0-dbf4-4b67-be43-488b08acbe0a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 22:41:45.382 12 WARNING nova.scheduler.utils [None req-818690e4-de09-4948-a0a9-ef52d11226de e6a8ea64d5ed4c9fbf5ad6a28b3ea0a9 58fdfc02c74d40dbb1d75fc81ca6e91c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1c9988d0-dbf4-4b67-be43-488b08acbe0a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1c9988d0-dbf4-4b67-be43-488b08acbe0a. 2026-07-10 22:41:45.382 12 WARNING nova.scheduler.utils [None req-818690e4-de09-4948-a0a9-ef52d11226de e6a8ea64d5ed4c9fbf5ad6a28b3ea0a9 58fdfc02c74d40dbb1d75fc81ca6e91c - - default default] [instance: 1c9988d0-dbf4-4b67-be43-488b08acbe0a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1c9988d0-dbf4-4b67-be43-488b08acbe0a. 2026-07-10 22:41:45.426 12 WARNING neutronclient.v2_0.client [None req-818690e4-de09-4948-a0a9-ef52d11226de e6a8ea64d5ed4c9fbf5ad6a28b3ea0a9 58fdfc02c74d40dbb1d75fc81ca6e91c - - 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 1c9988d0-dbf4-4b67-be43-488b08acbe0a. 2026-07-10 22:41:45.469 12 WARNING neutronclient.v2_0.client [None req-818690e4-de09-4948-a0a9-ef52d11226de e6a8ea64d5ed4c9fbf5ad6a28b3ea0a9 58fdfc02c74d40dbb1d75fc81ca6e91c - - 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 1c9988d0-dbf4-4b67-be43-488b08acbe0a. 2026-07-10 22:42:00.534 12 ERROR nova.scheduler.utils [None req-26027a99-9c18-4023-b81b-83bd57838bc6 0f66f3ce4ef949aea6d5720fdbc99f55 970f4222fa764b9188a15c114e703b8b - - default default] [instance: c6db0587-aa24-49b3-9ed6-824ce309c1f2] 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 c6db0587-aa24-49b3-9ed6-824ce309c1f2 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 22:42:00.535 12 WARNING nova.scheduler.utils [None req-26027a99-9c18-4023-b81b-83bd57838bc6 0f66f3ce4ef949aea6d5720fdbc99f55 970f4222fa764b9188a15c114e703b8b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c6db0587-aa24-49b3-9ed6-824ce309c1f2.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c6db0587-aa24-49b3-9ed6-824ce309c1f2. 2026-07-10 22:42:00.536 12 WARNING nova.scheduler.utils [None req-26027a99-9c18-4023-b81b-83bd57838bc6 0f66f3ce4ef949aea6d5720fdbc99f55 970f4222fa764b9188a15c114e703b8b - - default default] [instance: c6db0587-aa24-49b3-9ed6-824ce309c1f2] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c6db0587-aa24-49b3-9ed6-824ce309c1f2. 2026-07-10 22:42:00.583 12 WARNING neutronclient.v2_0.client [None req-26027a99-9c18-4023-b81b-83bd57838bc6 0f66f3ce4ef949aea6d5720fdbc99f55 970f4222fa764b9188a15c114e703b8b - - 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 c6db0587-aa24-49b3-9ed6-824ce309c1f2. 2026-07-10 22:42:00.616 12 WARNING neutronclient.v2_0.client [None req-26027a99-9c18-4023-b81b-83bd57838bc6 0f66f3ce4ef949aea6d5720fdbc99f55 970f4222fa764b9188a15c114e703b8b - - 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 c6db0587-aa24-49b3-9ed6-824ce309c1f2. 2026-07-10 22:42:16.846 12 ERROR nova.scheduler.utils [None req-f50fd8f9-ce14-4eed-8a6f-23738531b8ff 2159e1ed2ddf4b6f90bcbaee9a40c170 6c9d05c078a441e28e4ea81aaba71f56 - - default default] [instance: 6cfc27d0-9e82-4e84-9942-8d5c2b219b6d] 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 6cfc27d0-9e82-4e84-9942-8d5c2b219b6d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 22:42:16.847 12 WARNING nova.scheduler.utils [None req-f50fd8f9-ce14-4eed-8a6f-23738531b8ff 2159e1ed2ddf4b6f90bcbaee9a40c170 6c9d05c078a441e28e4ea81aaba71f56 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6cfc27d0-9e82-4e84-9942-8d5c2b219b6d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6cfc27d0-9e82-4e84-9942-8d5c2b219b6d. 2026-07-10 22:42:16.847 12 WARNING nova.scheduler.utils [None req-f50fd8f9-ce14-4eed-8a6f-23738531b8ff 2159e1ed2ddf4b6f90bcbaee9a40c170 6c9d05c078a441e28e4ea81aaba71f56 - - default default] [instance: 6cfc27d0-9e82-4e84-9942-8d5c2b219b6d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6cfc27d0-9e82-4e84-9942-8d5c2b219b6d. 2026-07-10 22:42:16.897 12 WARNING neutronclient.v2_0.client [None req-f50fd8f9-ce14-4eed-8a6f-23738531b8ff 2159e1ed2ddf4b6f90bcbaee9a40c170 6c9d05c078a441e28e4ea81aaba71f56 - - 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 6cfc27d0-9e82-4e84-9942-8d5c2b219b6d. 2026-07-10 22:42:16.983 12 WARNING neutronclient.v2_0.client [None req-f50fd8f9-ce14-4eed-8a6f-23738531b8ff 2159e1ed2ddf4b6f90bcbaee9a40c170 6c9d05c078a441e28e4ea81aaba71f56 - - 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 6cfc27d0-9e82-4e84-9942-8d5c2b219b6d. 2026-07-10 22:43:24.588 10 ERROR nova.scheduler.utils [None req-0ffdeaf4-3c0d-4f64-a3d1-3203124e5400 2ea5024083d64fb5bcacbd55937d2f69 9342124d06804498a8a6948dabdfd399 - - default default] [instance: 25f65697-71d7-48bf-8117-e62b395b25f8] 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 25f65697-71d7-48bf-8117-e62b395b25f8 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 22:43:24.590 10 WARNING nova.scheduler.utils [None req-0ffdeaf4-3c0d-4f64-a3d1-3203124e5400 2ea5024083d64fb5bcacbd55937d2f69 9342124d06804498a8a6948dabdfd399 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 25f65697-71d7-48bf-8117-e62b395b25f8.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 25f65697-71d7-48bf-8117-e62b395b25f8. 2026-07-10 22:43:24.590 10 WARNING nova.scheduler.utils [None req-0ffdeaf4-3c0d-4f64-a3d1-3203124e5400 2ea5024083d64fb5bcacbd55937d2f69 9342124d06804498a8a6948dabdfd399 - - default default] [instance: 25f65697-71d7-48bf-8117-e62b395b25f8] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 25f65697-71d7-48bf-8117-e62b395b25f8. 2026-07-10 22:43:24.641 10 WARNING neutronclient.v2_0.client [None req-0ffdeaf4-3c0d-4f64-a3d1-3203124e5400 2ea5024083d64fb5bcacbd55937d2f69 9342124d06804498a8a6948dabdfd399 - - 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 25f65697-71d7-48bf-8117-e62b395b25f8. 2026-07-10 22:43:24.676 10 WARNING neutronclient.v2_0.client [None req-0ffdeaf4-3c0d-4f64-a3d1-3203124e5400 2ea5024083d64fb5bcacbd55937d2f69 9342124d06804498a8a6948dabdfd399 - - 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 25f65697-71d7-48bf-8117-e62b395b25f8. 2026-07-10 22:43:59.728 12 ERROR nova.scheduler.utils [None req-28659e5d-4a74-4587-adad-a733b304fdaf f2527ecabaf94b59b590929c44b64507 927e8086484e4cc89995ac383043d5a6 - - default default] [instance: d81945bb-16ba-4510-9ec9-e7fc654df0b4] 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 d81945bb-16ba-4510-9ec9-e7fc654df0b4 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 22:43:59.730 12 WARNING nova.scheduler.utils [None req-28659e5d-4a74-4587-adad-a733b304fdaf f2527ecabaf94b59b590929c44b64507 927e8086484e4cc89995ac383043d5a6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d81945bb-16ba-4510-9ec9-e7fc654df0b4.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d81945bb-16ba-4510-9ec9-e7fc654df0b4. 2026-07-10 22:43:59.730 12 WARNING nova.scheduler.utils [None req-28659e5d-4a74-4587-adad-a733b304fdaf f2527ecabaf94b59b590929c44b64507 927e8086484e4cc89995ac383043d5a6 - - default default] [instance: d81945bb-16ba-4510-9ec9-e7fc654df0b4] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d81945bb-16ba-4510-9ec9-e7fc654df0b4. 2026-07-10 22:43:59.778 12 WARNING neutronclient.v2_0.client [None req-28659e5d-4a74-4587-adad-a733b304fdaf f2527ecabaf94b59b590929c44b64507 927e8086484e4cc89995ac383043d5a6 - - 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 d81945bb-16ba-4510-9ec9-e7fc654df0b4. 2026-07-10 22:43:59.802 12 WARNING neutronclient.v2_0.client [None req-28659e5d-4a74-4587-adad-a733b304fdaf f2527ecabaf94b59b590929c44b64507 927e8086484e4cc89995ac383043d5a6 - - 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 d81945bb-16ba-4510-9ec9-e7fc654df0b4. 2026-07-10 22:44:03.650 10 ERROR nova.scheduler.utils [None req-7afff4ac-f1aa-4f4f-bd94-ffa3f937ed57 4c5d7ff0d486459a9f9345a980060e83 787a5e567a674e47a1be1996998ef8b3 - - default default] [instance: 340b98f2-d11c-43f2-966b-3b89911b9aa4] 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 340b98f2-d11c-43f2-966b-3b89911b9aa4 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 22:44:03.652 10 WARNING nova.scheduler.utils [None req-7afff4ac-f1aa-4f4f-bd94-ffa3f937ed57 4c5d7ff0d486459a9f9345a980060e83 787a5e567a674e47a1be1996998ef8b3 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 340b98f2-d11c-43f2-966b-3b89911b9aa4.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 340b98f2-d11c-43f2-966b-3b89911b9aa4. 2026-07-10 22:44:03.652 10 WARNING nova.scheduler.utils [None req-7afff4ac-f1aa-4f4f-bd94-ffa3f937ed57 4c5d7ff0d486459a9f9345a980060e83 787a5e567a674e47a1be1996998ef8b3 - - default default] [instance: 340b98f2-d11c-43f2-966b-3b89911b9aa4] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 340b98f2-d11c-43f2-966b-3b89911b9aa4. 2026-07-10 22:44:03.705 10 WARNING neutronclient.v2_0.client [None req-7afff4ac-f1aa-4f4f-bd94-ffa3f937ed57 4c5d7ff0d486459a9f9345a980060e83 787a5e567a674e47a1be1996998ef8b3 - - 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 340b98f2-d11c-43f2-966b-3b89911b9aa4. 2026-07-10 22:44:03.733 10 WARNING neutronclient.v2_0.client [None req-7afff4ac-f1aa-4f4f-bd94-ffa3f937ed57 4c5d7ff0d486459a9f9345a980060e83 787a5e567a674e47a1be1996998ef8b3 - - 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 340b98f2-d11c-43f2-966b-3b89911b9aa4. 2026-07-10 22:45:40.766 10 ERROR nova.scheduler.utils [None req-2f730bb0-93f1-4f79-a9ab-a53bc6ec9d1f 438a11b4364c489ba05239758cdcec1a d10cd5043c7a48a8bb22763eacfc1841 - - default default] [instance: ed2a7aec-8913-4191-9e2f-447c5d1d4c93] 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 ed2a7aec-8913-4191-9e2f-447c5d1d4c93 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-10 22:45:40.767 10 WARNING nova.scheduler.utils [None req-2f730bb0-93f1-4f79-a9ab-a53bc6ec9d1f 438a11b4364c489ba05239758cdcec1a d10cd5043c7a48a8bb22763eacfc1841 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ed2a7aec-8913-4191-9e2f-447c5d1d4c93.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ed2a7aec-8913-4191-9e2f-447c5d1d4c93. 2026-07-10 22:45:40.767 10 WARNING nova.scheduler.utils [None req-2f730bb0-93f1-4f79-a9ab-a53bc6ec9d1f 438a11b4364c489ba05239758cdcec1a d10cd5043c7a48a8bb22763eacfc1841 - - default default] [instance: ed2a7aec-8913-4191-9e2f-447c5d1d4c93] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ed2a7aec-8913-4191-9e2f-447c5d1d4c93. 2026-07-10 22:45:40.808 10 WARNING neutronclient.v2_0.client [None req-2f730bb0-93f1-4f79-a9ab-a53bc6ec9d1f 438a11b4364c489ba05239758cdcec1a d10cd5043c7a48a8bb22763eacfc1841 - - 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 ed2a7aec-8913-4191-9e2f-447c5d1d4c93. 2026-07-10 22:45:40.833 10 WARNING neutronclient.v2_0.client [None req-2f730bb0-93f1-4f79-a9ab-a53bc6ec9d1f 438a11b4364c489ba05239758cdcec1a d10cd5043c7a48a8bb22763eacfc1841 - - 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 ed2a7aec-8913-4191-9e2f-447c5d1d4c93.