+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-09 13:54:37.906 1 INFO nova.utils [None req-f6b5ded8-085d-4024-983c-65dcc20a79ae - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-09 13:54:38.093 1 INFO nova.utils [None req-f6b5ded8-085d-4024-983c-65dcc20a79ae - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-09 13:54:39.093 1 INFO nova.utils [None req-f6b5ded8-085d-4024-983c-65dcc20a79ae - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-09 13:54:39.096 1 WARNING oslo_service.backend._threading.service [None req-f6b5ded8-085d-4024-983c-65dcc20a79ae - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-09 13:54:39.104 1 WARNING oslo_config.cfg [None req-f6b5ded8-085d-4024-983c-65dcc20a79ae - - - - - -] 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. 2026-07-09 13:54:39.151 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-09 13:54:39.167 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-09 14:15:09.733 12 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 5.28 sec 2026-07-09 14:15:11.122 10 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 6.67 sec 2026-07-09 14:38:57.394 10 INFO nova.utils [None req-f6a322ab-7ad1-4e54-8245-e148d1b459ef bb1e8dafd7224558a3ee3465529b1b93 ea9c36e1eb074ad6bed7b5c476a24961 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-09 14:38:57.585 10 INFO nova.compute.rpcapi [None req-01194165-27e9-47f7-9676-1e9c8e7427eb - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-09 14:39:00.058 12 INFO nova.utils [None req-9d08747b-2df1-4253-ae1e-102fa403ff53 19416314699b4b93bb068d921ed3f1f4 252f6d291b9744a98b1362f5c7fbbc6b - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-09 14:39:00.284 12 INFO nova.compute.rpcapi [None req-066b018d-7136-45c5-9c80-578032a533f8 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-09 14:39:13.706 10 ERROR nova.scheduler.utils [None req-f6a322ab-7ad1-4e54-8245-e148d1b459ef bb1e8dafd7224558a3ee3465529b1b93 ea9c36e1eb074ad6bed7b5c476a24961 - - default default] [instance: 345e8e41-bf1e-4496-8429-1fd990a36eb1] 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 345e8e41-bf1e-4496-8429-1fd990a36eb1 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 14:39:13.708 10 WARNING nova.scheduler.utils [None req-f6a322ab-7ad1-4e54-8245-e148d1b459ef bb1e8dafd7224558a3ee3465529b1b93 ea9c36e1eb074ad6bed7b5c476a24961 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 345e8e41-bf1e-4496-8429-1fd990a36eb1.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 345e8e41-bf1e-4496-8429-1fd990a36eb1. 2026-07-09 14:39:13.708 10 WARNING nova.scheduler.utils [None req-f6a322ab-7ad1-4e54-8245-e148d1b459ef bb1e8dafd7224558a3ee3465529b1b93 ea9c36e1eb074ad6bed7b5c476a24961 - - default default] [instance: 345e8e41-bf1e-4496-8429-1fd990a36eb1] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 345e8e41-bf1e-4496-8429-1fd990a36eb1. 2026-07-09 14:39:13.836 10 WARNING neutronclient.v2_0.client [None req-f6a322ab-7ad1-4e54-8245-e148d1b459ef bb1e8dafd7224558a3ee3465529b1b93 ea9c36e1eb074ad6bed7b5c476a24961 - - 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 345e8e41-bf1e-4496-8429-1fd990a36eb1. 2026-07-09 14:39:14.410 10 WARNING neutronclient.v2_0.client [None req-f6a322ab-7ad1-4e54-8245-e148d1b459ef bb1e8dafd7224558a3ee3465529b1b93 ea9c36e1eb074ad6bed7b5c476a24961 - - 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 345e8e41-bf1e-4496-8429-1fd990a36eb1. 2026-07-09 14:39:15.576 10 ERROR nova.scheduler.utils [None req-9d08747b-2df1-4253-ae1e-102fa403ff53 19416314699b4b93bb068d921ed3f1f4 252f6d291b9744a98b1362f5c7fbbc6b - - default default] [instance: be54e896-2676-45d4-9eb8-58b26872a885] 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 be54e896-2676-45d4-9eb8-58b26872a885 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 14:39:15.577 10 WARNING nova.scheduler.utils [None req-9d08747b-2df1-4253-ae1e-102fa403ff53 19416314699b4b93bb068d921ed3f1f4 252f6d291b9744a98b1362f5c7fbbc6b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance be54e896-2676-45d4-9eb8-58b26872a885.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance be54e896-2676-45d4-9eb8-58b26872a885. 2026-07-09 14:39:15.577 10 WARNING nova.scheduler.utils [None req-9d08747b-2df1-4253-ae1e-102fa403ff53 19416314699b4b93bb068d921ed3f1f4 252f6d291b9744a98b1362f5c7fbbc6b - - default default] [instance: be54e896-2676-45d4-9eb8-58b26872a885] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance be54e896-2676-45d4-9eb8-58b26872a885. 2026-07-09 14:39:15.652 10 WARNING neutronclient.v2_0.client [None req-9d08747b-2df1-4253-ae1e-102fa403ff53 19416314699b4b93bb068d921ed3f1f4 252f6d291b9744a98b1362f5c7fbbc6b - - 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 be54e896-2676-45d4-9eb8-58b26872a885. 2026-07-09 14:39:15.827 10 WARNING neutronclient.v2_0.client [None req-9d08747b-2df1-4253-ae1e-102fa403ff53 19416314699b4b93bb068d921ed3f1f4 252f6d291b9744a98b1362f5c7fbbc6b - - 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 be54e896-2676-45d4-9eb8-58b26872a885. 2026-07-09 14:39:20.873 10 ERROR nova.scheduler.utils [None req-315aa751-3d04-4b00-9471-06b341a2f4b8 316560f0878d4dd8a356512f5a23bf8c 0b670b08c6474131a1827aeb3651fea2 - - default default] [instance: da39ad28-60c4-4071-b108-51a25adc3494] 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 da39ad28-60c4-4071-b108-51a25adc3494 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 14:39:20.874 10 WARNING nova.scheduler.utils [None req-315aa751-3d04-4b00-9471-06b341a2f4b8 316560f0878d4dd8a356512f5a23bf8c 0b670b08c6474131a1827aeb3651fea2 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da39ad28-60c4-4071-b108-51a25adc3494.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da39ad28-60c4-4071-b108-51a25adc3494. 2026-07-09 14:39:20.874 10 WARNING nova.scheduler.utils [None req-315aa751-3d04-4b00-9471-06b341a2f4b8 316560f0878d4dd8a356512f5a23bf8c 0b670b08c6474131a1827aeb3651fea2 - - default default] [instance: da39ad28-60c4-4071-b108-51a25adc3494] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da39ad28-60c4-4071-b108-51a25adc3494. 2026-07-09 14:39:20.969 10 WARNING neutronclient.v2_0.client [None req-315aa751-3d04-4b00-9471-06b341a2f4b8 316560f0878d4dd8a356512f5a23bf8c 0b670b08c6474131a1827aeb3651fea2 - - 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 da39ad28-60c4-4071-b108-51a25adc3494. 2026-07-09 14:39:21.064 10 WARNING neutronclient.v2_0.client [None req-315aa751-3d04-4b00-9471-06b341a2f4b8 316560f0878d4dd8a356512f5a23bf8c 0b670b08c6474131a1827aeb3651fea2 - - 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 da39ad28-60c4-4071-b108-51a25adc3494. 2026-07-09 14:39:40.930 10 ERROR nova.scheduler.utils [None req-502e74d1-8e9e-409c-ace7-5b7738ac1dc2 9854ccc8129a4a269f5c366e0f2fd87a da6348ab68e24048b90ddfd2d939c057 - - default default] [instance: f5481e78-9f0c-4559-83be-c6f21345f8b3] 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 f5481e78-9f0c-4559-83be-c6f21345f8b3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 14:39:40.933 10 WARNING nova.scheduler.utils [None req-502e74d1-8e9e-409c-ace7-5b7738ac1dc2 9854ccc8129a4a269f5c366e0f2fd87a da6348ab68e24048b90ddfd2d939c057 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f5481e78-9f0c-4559-83be-c6f21345f8b3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f5481e78-9f0c-4559-83be-c6f21345f8b3. 2026-07-09 14:39:40.933 10 WARNING nova.scheduler.utils [None req-502e74d1-8e9e-409c-ace7-5b7738ac1dc2 9854ccc8129a4a269f5c366e0f2fd87a da6348ab68e24048b90ddfd2d939c057 - - default default] [instance: f5481e78-9f0c-4559-83be-c6f21345f8b3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f5481e78-9f0c-4559-83be-c6f21345f8b3. 2026-07-09 14:39:40.992 10 WARNING neutronclient.v2_0.client [None req-502e74d1-8e9e-409c-ace7-5b7738ac1dc2 9854ccc8129a4a269f5c366e0f2fd87a da6348ab68e24048b90ddfd2d939c057 - - 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 f5481e78-9f0c-4559-83be-c6f21345f8b3. 2026-07-09 14:39:41.030 10 WARNING neutronclient.v2_0.client [None req-502e74d1-8e9e-409c-ace7-5b7738ac1dc2 9854ccc8129a4a269f5c366e0f2fd87a da6348ab68e24048b90ddfd2d939c057 - - 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 f5481e78-9f0c-4559-83be-c6f21345f8b3. 2026-07-09 14:39:44.768 12 ERROR nova.scheduler.utils [None req-e0ee3d26-c29e-46ea-aa30-02e63195e945 c9efc06decb2486983be26a91dda8a52 4e68ac2f120344a2aef2035d26ca82f7 - - default default] [instance: 8a918c91-df71-48ed-acef-0bccee02d545] 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 8a918c91-df71-48ed-acef-0bccee02d545 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 14:39:44.769 12 WARNING nova.scheduler.utils [None req-e0ee3d26-c29e-46ea-aa30-02e63195e945 c9efc06decb2486983be26a91dda8a52 4e68ac2f120344a2aef2035d26ca82f7 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8a918c91-df71-48ed-acef-0bccee02d545.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8a918c91-df71-48ed-acef-0bccee02d545. 2026-07-09 14:39:44.769 12 WARNING nova.scheduler.utils [None req-e0ee3d26-c29e-46ea-aa30-02e63195e945 c9efc06decb2486983be26a91dda8a52 4e68ac2f120344a2aef2035d26ca82f7 - - default default] [instance: 8a918c91-df71-48ed-acef-0bccee02d545] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8a918c91-df71-48ed-acef-0bccee02d545. 2026-07-09 14:39:44.903 12 WARNING neutronclient.v2_0.client [None req-e0ee3d26-c29e-46ea-aa30-02e63195e945 c9efc06decb2486983be26a91dda8a52 4e68ac2f120344a2aef2035d26ca82f7 - - 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 8a918c91-df71-48ed-acef-0bccee02d545. 2026-07-09 14:39:45.648 12 WARNING neutronclient.v2_0.client [None req-e0ee3d26-c29e-46ea-aa30-02e63195e945 c9efc06decb2486983be26a91dda8a52 4e68ac2f120344a2aef2035d26ca82f7 - - 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 8a918c91-df71-48ed-acef-0bccee02d545. 2026-07-09 14:40:09.108 12 ERROR nova.scheduler.utils [None req-d132fd9d-d0c2-4280-93d8-f9adca758a9f c3e2039b1ec6432eaa16754fd858fd5e d05f3a3a39ba4a8dabfa8fd094c218ee - - default default] [instance: edef977e-14f1-4707-9193-17b4c25b3e8a] 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 edef977e-14f1-4707-9193-17b4c25b3e8a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 14:40:09.109 12 WARNING nova.scheduler.utils [None req-d132fd9d-d0c2-4280-93d8-f9adca758a9f c3e2039b1ec6432eaa16754fd858fd5e d05f3a3a39ba4a8dabfa8fd094c218ee - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance edef977e-14f1-4707-9193-17b4c25b3e8a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance edef977e-14f1-4707-9193-17b4c25b3e8a. 2026-07-09 14:40:09.109 12 WARNING nova.scheduler.utils [None req-d132fd9d-d0c2-4280-93d8-f9adca758a9f c3e2039b1ec6432eaa16754fd858fd5e d05f3a3a39ba4a8dabfa8fd094c218ee - - default default] [instance: edef977e-14f1-4707-9193-17b4c25b3e8a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance edef977e-14f1-4707-9193-17b4c25b3e8a. 2026-07-09 14:40:09.168 12 WARNING neutronclient.v2_0.client [None req-d132fd9d-d0c2-4280-93d8-f9adca758a9f c3e2039b1ec6432eaa16754fd858fd5e d05f3a3a39ba4a8dabfa8fd094c218ee - - 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 edef977e-14f1-4707-9193-17b4c25b3e8a. 2026-07-09 14:40:09.201 12 WARNING neutronclient.v2_0.client [None req-d132fd9d-d0c2-4280-93d8-f9adca758a9f c3e2039b1ec6432eaa16754fd858fd5e d05f3a3a39ba4a8dabfa8fd094c218ee - - 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 edef977e-14f1-4707-9193-17b4c25b3e8a. 2026-07-09 14:40:54.839 10 ERROR nova.scheduler.utils [None req-7b259f88-104d-46e4-b52f-614cd6bc2214 67a96d8b3310437aa7b3614c123c37ad 2b408981f927441d876e20304ddcc90c - - default default] [instance: 27bb1699-45cb-4dce-880c-e8968f8df061] 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 27bb1699-45cb-4dce-880c-e8968f8df061 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 14:40:54.840 10 WARNING nova.scheduler.utils [None req-7b259f88-104d-46e4-b52f-614cd6bc2214 67a96d8b3310437aa7b3614c123c37ad 2b408981f927441d876e20304ddcc90c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27bb1699-45cb-4dce-880c-e8968f8df061.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27bb1699-45cb-4dce-880c-e8968f8df061. 2026-07-09 14:40:54.840 10 WARNING nova.scheduler.utils [None req-7b259f88-104d-46e4-b52f-614cd6bc2214 67a96d8b3310437aa7b3614c123c37ad 2b408981f927441d876e20304ddcc90c - - default default] [instance: 27bb1699-45cb-4dce-880c-e8968f8df061] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27bb1699-45cb-4dce-880c-e8968f8df061. 2026-07-09 14:40:54.924 10 WARNING neutronclient.v2_0.client [None req-7b259f88-104d-46e4-b52f-614cd6bc2214 67a96d8b3310437aa7b3614c123c37ad 2b408981f927441d876e20304ddcc90c - - 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 27bb1699-45cb-4dce-880c-e8968f8df061. 2026-07-09 14:40:55.543 10 WARNING neutronclient.v2_0.client [None req-7b259f88-104d-46e4-b52f-614cd6bc2214 67a96d8b3310437aa7b3614c123c37ad 2b408981f927441d876e20304ddcc90c - - 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 27bb1699-45cb-4dce-880c-e8968f8df061. 2026-07-09 14:41:37.509 10 ERROR nova.scheduler.utils [None req-b7061be8-0092-4e22-a585-a45f5d1f7668 005c08b61fe543f89cf5fa78cfc7907a b21d732d2dc940adb6ed4528cda2f857 - - default default] [instance: 9b9d00cc-bb91-434f-b8bf-8defa13fdcf6] 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 9b9d00cc-bb91-434f-b8bf-8defa13fdcf6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 14:41:37.510 10 WARNING nova.scheduler.utils [None req-b7061be8-0092-4e22-a585-a45f5d1f7668 005c08b61fe543f89cf5fa78cfc7907a b21d732d2dc940adb6ed4528cda2f857 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9b9d00cc-bb91-434f-b8bf-8defa13fdcf6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9b9d00cc-bb91-434f-b8bf-8defa13fdcf6. 2026-07-09 14:41:37.510 10 WARNING nova.scheduler.utils [None req-b7061be8-0092-4e22-a585-a45f5d1f7668 005c08b61fe543f89cf5fa78cfc7907a b21d732d2dc940adb6ed4528cda2f857 - - default default] [instance: 9b9d00cc-bb91-434f-b8bf-8defa13fdcf6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9b9d00cc-bb91-434f-b8bf-8defa13fdcf6. 2026-07-09 14:41:37.581 10 WARNING neutronclient.v2_0.client [None req-b7061be8-0092-4e22-a585-a45f5d1f7668 005c08b61fe543f89cf5fa78cfc7907a b21d732d2dc940adb6ed4528cda2f857 - - 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 9b9d00cc-bb91-434f-b8bf-8defa13fdcf6. 2026-07-09 14:41:37.617 10 WARNING neutronclient.v2_0.client [None req-b7061be8-0092-4e22-a585-a45f5d1f7668 005c08b61fe543f89cf5fa78cfc7907a b21d732d2dc940adb6ed4528cda2f857 - - 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 9b9d00cc-bb91-434f-b8bf-8defa13fdcf6. 2026-07-09 14:42:29.746 12 ERROR nova.scheduler.utils [None req-bbae4224-9911-4052-8fed-850ba9ff1356 498d300817344ec5a5ab69ec11243cba f4bb8073b0d34575a4fadb2673798937 - - default default] [instance: 0a48db27-1a0c-438b-bbb7-63cdb8f293ff] 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 0a48db27-1a0c-438b-bbb7-63cdb8f293ff was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 14:42:29.748 12 WARNING nova.scheduler.utils [None req-bbae4224-9911-4052-8fed-850ba9ff1356 498d300817344ec5a5ab69ec11243cba f4bb8073b0d34575a4fadb2673798937 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0a48db27-1a0c-438b-bbb7-63cdb8f293ff.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0a48db27-1a0c-438b-bbb7-63cdb8f293ff. 2026-07-09 14:42:29.748 12 WARNING nova.scheduler.utils [None req-bbae4224-9911-4052-8fed-850ba9ff1356 498d300817344ec5a5ab69ec11243cba f4bb8073b0d34575a4fadb2673798937 - - default default] [instance: 0a48db27-1a0c-438b-bbb7-63cdb8f293ff] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0a48db27-1a0c-438b-bbb7-63cdb8f293ff. 2026-07-09 14:42:29.811 12 WARNING neutronclient.v2_0.client [None req-bbae4224-9911-4052-8fed-850ba9ff1356 498d300817344ec5a5ab69ec11243cba f4bb8073b0d34575a4fadb2673798937 - - 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 0a48db27-1a0c-438b-bbb7-63cdb8f293ff. 2026-07-09 14:42:29.850 12 WARNING neutronclient.v2_0.client [None req-bbae4224-9911-4052-8fed-850ba9ff1356 498d300817344ec5a5ab69ec11243cba f4bb8073b0d34575a4fadb2673798937 - - 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 0a48db27-1a0c-438b-bbb7-63cdb8f293ff. 2026-07-09 14:43:09.439 10 ERROR nova.scheduler.utils [None req-14f911f1-c87c-4ef0-9465-03a3343f372a 225b94062d41456fb9e7da70e1e8457f f67a611cde184bbab045fd37a872bbab - - default default] [instance: 5ddc9288-8f34-47ba-8171-8ef2f158dc72] 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 5ddc9288-8f34-47ba-8171-8ef2f158dc72 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-09 14:43:09.440 10 WARNING nova.scheduler.utils [None req-14f911f1-c87c-4ef0-9465-03a3343f372a 225b94062d41456fb9e7da70e1e8457f f67a611cde184bbab045fd37a872bbab - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5ddc9288-8f34-47ba-8171-8ef2f158dc72.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5ddc9288-8f34-47ba-8171-8ef2f158dc72. 2026-07-09 14:43:09.440 10 WARNING nova.scheduler.utils [None req-14f911f1-c87c-4ef0-9465-03a3343f372a 225b94062d41456fb9e7da70e1e8457f f67a611cde184bbab045fd37a872bbab - - default default] [instance: 5ddc9288-8f34-47ba-8171-8ef2f158dc72] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5ddc9288-8f34-47ba-8171-8ef2f158dc72. 2026-07-09 14:43:09.494 10 WARNING neutronclient.v2_0.client [None req-14f911f1-c87c-4ef0-9465-03a3343f372a 225b94062d41456fb9e7da70e1e8457f f67a611cde184bbab045fd37a872bbab - - 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 5ddc9288-8f34-47ba-8171-8ef2f158dc72. 2026-07-09 14:43:09.530 10 WARNING neutronclient.v2_0.client [None req-14f911f1-c87c-4ef0-9465-03a3343f372a 225b94062d41456fb9e7da70e1e8457f f67a611cde184bbab045fd37a872bbab - - 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 5ddc9288-8f34-47ba-8171-8ef2f158dc72.