+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-11 04:04:32.853 1 INFO nova.utils [None req-11ee6519-5d96-4ed2-a50c-ad73cae236f2 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-11 04:04:33.051 1 INFO nova.utils [None req-11ee6519-5d96-4ed2-a50c-ad73cae236f2 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-11 04:04:34.051 1 INFO nova.utils [None req-11ee6519-5d96-4ed2-a50c-ad73cae236f2 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-11 04:04:34.054 1 WARNING oslo_service.backend._threading.service [None req-11ee6519-5d96-4ed2-a50c-ad73cae236f2 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-11 04:04:34.064 1 WARNING oslo_config.cfg [None req-11ee6519-5d96-4ed2-a50c-ad73cae236f2 - - - - - -] 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. 2026-07-11 04:04:34.114 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-11 04:04:34.131 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-11 04:44:16.165 12 INFO nova.utils [None req-6ef04590-50d9-4fde-91ff-0107b51add75 ae4ea2f1d7d642068973cd18d270bb19 d6fc9ab24a974c79bee1b30309b8bf04 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-11 04:44:16.323 12 INFO nova.compute.rpcapi [None req-839238e6-1b4b-4cd6-a69d-d41cf873e52e - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-11 04:44:27.369 10 INFO nova.utils [None req-18ccd716-1ca4-44ff-bae2-3947d9ef0da5 ede3845330334d10a1700ef79a4404db 347fea72476b499aab49ea2cf2f5c20a - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-11 04:44:27.601 10 INFO nova.compute.rpcapi [None req-80db5a3f-eb29-4d22-a2d1-c9fd299a3a0e - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-11 04:44:31.535 10 ERROR nova.scheduler.utils [None req-6ef04590-50d9-4fde-91ff-0107b51add75 ae4ea2f1d7d642068973cd18d270bb19 d6fc9ab24a974c79bee1b30309b8bf04 - - default default] [instance: 979f95bf-11f1-436d-8f2e-0cecea32d826] 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 979f95bf-11f1-436d-8f2e-0cecea32d826 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-11 04:44:31.537 10 WARNING nova.scheduler.utils [None req-6ef04590-50d9-4fde-91ff-0107b51add75 ae4ea2f1d7d642068973cd18d270bb19 d6fc9ab24a974c79bee1b30309b8bf04 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 979f95bf-11f1-436d-8f2e-0cecea32d826.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 979f95bf-11f1-436d-8f2e-0cecea32d826. 2026-07-11 04:44:31.538 10 WARNING nova.scheduler.utils [None req-6ef04590-50d9-4fde-91ff-0107b51add75 ae4ea2f1d7d642068973cd18d270bb19 d6fc9ab24a974c79bee1b30309b8bf04 - - default default] [instance: 979f95bf-11f1-436d-8f2e-0cecea32d826] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 979f95bf-11f1-436d-8f2e-0cecea32d826. 2026-07-11 04:44:31.667 10 WARNING neutronclient.v2_0.client [None req-6ef04590-50d9-4fde-91ff-0107b51add75 ae4ea2f1d7d642068973cd18d270bb19 d6fc9ab24a974c79bee1b30309b8bf04 - - 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 979f95bf-11f1-436d-8f2e-0cecea32d826. 2026-07-11 04:44:32.250 10 WARNING neutronclient.v2_0.client [None req-6ef04590-50d9-4fde-91ff-0107b51add75 ae4ea2f1d7d642068973cd18d270bb19 d6fc9ab24a974c79bee1b30309b8bf04 - - 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 979f95bf-11f1-436d-8f2e-0cecea32d826. 2026-07-11 04:44:43.832 12 ERROR nova.scheduler.utils [None req-5675d450-a5a5-4b1f-948f-123416cc633c f90672ca2c9c4ec298b208a9ee081c48 67080b09bf4c435dbd844caa1d8d4c94 - - default default] [instance: 7409a3fc-ed6d-49d8-b793-495c9150869f] 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 7409a3fc-ed6d-49d8-b793-495c9150869f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-11 04:44:43.835 12 WARNING nova.scheduler.utils [None req-5675d450-a5a5-4b1f-948f-123416cc633c f90672ca2c9c4ec298b208a9ee081c48 67080b09bf4c435dbd844caa1d8d4c94 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7409a3fc-ed6d-49d8-b793-495c9150869f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7409a3fc-ed6d-49d8-b793-495c9150869f. 2026-07-11 04:44:43.835 12 WARNING nova.scheduler.utils [None req-5675d450-a5a5-4b1f-948f-123416cc633c f90672ca2c9c4ec298b208a9ee081c48 67080b09bf4c435dbd844caa1d8d4c94 - - default default] [instance: 7409a3fc-ed6d-49d8-b793-495c9150869f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7409a3fc-ed6d-49d8-b793-495c9150869f. 2026-07-11 04:44:43.934 12 WARNING neutronclient.v2_0.client [None req-5675d450-a5a5-4b1f-948f-123416cc633c f90672ca2c9c4ec298b208a9ee081c48 67080b09bf4c435dbd844caa1d8d4c94 - - 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 7409a3fc-ed6d-49d8-b793-495c9150869f. 2026-07-11 04:44:44.386 12 WARNING neutronclient.v2_0.client [None req-5675d450-a5a5-4b1f-948f-123416cc633c f90672ca2c9c4ec298b208a9ee081c48 67080b09bf4c435dbd844caa1d8d4c94 - - 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 7409a3fc-ed6d-49d8-b793-495c9150869f. 2026-07-11 04:44:45.442 10 ERROR nova.scheduler.utils [None req-18ccd716-1ca4-44ff-bae2-3947d9ef0da5 ede3845330334d10a1700ef79a4404db 347fea72476b499aab49ea2cf2f5c20a - - default default] [instance: bc322e23-ae95-4a91-9291-0acfbb777366] 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 bc322e23-ae95-4a91-9291-0acfbb777366 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-11 04:44:45.443 10 WARNING nova.scheduler.utils [None req-18ccd716-1ca4-44ff-bae2-3947d9ef0da5 ede3845330334d10a1700ef79a4404db 347fea72476b499aab49ea2cf2f5c20a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bc322e23-ae95-4a91-9291-0acfbb777366.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bc322e23-ae95-4a91-9291-0acfbb777366. 2026-07-11 04:44:45.443 10 WARNING nova.scheduler.utils [None req-18ccd716-1ca4-44ff-bae2-3947d9ef0da5 ede3845330334d10a1700ef79a4404db 347fea72476b499aab49ea2cf2f5c20a - - default default] [instance: bc322e23-ae95-4a91-9291-0acfbb777366] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bc322e23-ae95-4a91-9291-0acfbb777366. 2026-07-11 04:44:45.507 10 WARNING neutronclient.v2_0.client [None req-18ccd716-1ca4-44ff-bae2-3947d9ef0da5 ede3845330334d10a1700ef79a4404db 347fea72476b499aab49ea2cf2f5c20a - - 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 bc322e23-ae95-4a91-9291-0acfbb777366. 2026-07-11 04:44:45.542 10 WARNING neutronclient.v2_0.client [None req-18ccd716-1ca4-44ff-bae2-3947d9ef0da5 ede3845330334d10a1700ef79a4404db 347fea72476b499aab49ea2cf2f5c20a - - 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 bc322e23-ae95-4a91-9291-0acfbb777366. 2026-07-11 04:45:11.926 12 ERROR nova.scheduler.utils [None req-1422166e-9526-4aea-8cea-8fe5a84a1430 16c87dd5e8c2433dbfe0a369b86fc33b 1535f9c2ae0f4cd8962f47aaaadaacf5 - - default default] [instance: 073e3f38-2cc1-496b-83cc-4c5677a1ec88] 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 073e3f38-2cc1-496b-83cc-4c5677a1ec88 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-11 04:45:11.927 12 WARNING nova.scheduler.utils [None req-1422166e-9526-4aea-8cea-8fe5a84a1430 16c87dd5e8c2433dbfe0a369b86fc33b 1535f9c2ae0f4cd8962f47aaaadaacf5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 073e3f38-2cc1-496b-83cc-4c5677a1ec88.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 073e3f38-2cc1-496b-83cc-4c5677a1ec88. 2026-07-11 04:45:11.927 12 WARNING nova.scheduler.utils [None req-1422166e-9526-4aea-8cea-8fe5a84a1430 16c87dd5e8c2433dbfe0a369b86fc33b 1535f9c2ae0f4cd8962f47aaaadaacf5 - - default default] [instance: 073e3f38-2cc1-496b-83cc-4c5677a1ec88] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 073e3f38-2cc1-496b-83cc-4c5677a1ec88. 2026-07-11 04:45:11.975 12 WARNING neutronclient.v2_0.client [None req-1422166e-9526-4aea-8cea-8fe5a84a1430 16c87dd5e8c2433dbfe0a369b86fc33b 1535f9c2ae0f4cd8962f47aaaadaacf5 - - 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 073e3f38-2cc1-496b-83cc-4c5677a1ec88. 2026-07-11 04:45:12.002 12 WARNING neutronclient.v2_0.client [None req-1422166e-9526-4aea-8cea-8fe5a84a1430 16c87dd5e8c2433dbfe0a369b86fc33b 1535f9c2ae0f4cd8962f47aaaadaacf5 - - 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 073e3f38-2cc1-496b-83cc-4c5677a1ec88. 2026-07-11 04:45:14.906 12 ERROR nova.scheduler.utils [None req-c4e77b1b-b9a9-4d0b-9a29-ab5929a2e631 edf444eb8f7443709a9b19bdf531b69f cc7cb3808bd34e108693ff2d2de9ead1 - - default default] [instance: 7700829b-2088-4b80-8863-6dfa540ceabe] 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 7700829b-2088-4b80-8863-6dfa540ceabe was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-11 04:45:14.906 12 WARNING nova.scheduler.utils [None req-c4e77b1b-b9a9-4d0b-9a29-ab5929a2e631 edf444eb8f7443709a9b19bdf531b69f cc7cb3808bd34e108693ff2d2de9ead1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7700829b-2088-4b80-8863-6dfa540ceabe.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7700829b-2088-4b80-8863-6dfa540ceabe. 2026-07-11 04:45:14.907 12 WARNING nova.scheduler.utils [None req-c4e77b1b-b9a9-4d0b-9a29-ab5929a2e631 edf444eb8f7443709a9b19bdf531b69f cc7cb3808bd34e108693ff2d2de9ead1 - - default default] [instance: 7700829b-2088-4b80-8863-6dfa540ceabe] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7700829b-2088-4b80-8863-6dfa540ceabe. 2026-07-11 04:45:14.964 12 WARNING neutronclient.v2_0.client [None req-c4e77b1b-b9a9-4d0b-9a29-ab5929a2e631 edf444eb8f7443709a9b19bdf531b69f cc7cb3808bd34e108693ff2d2de9ead1 - - 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 7700829b-2088-4b80-8863-6dfa540ceabe. 2026-07-11 04:45:15.035 12 WARNING neutronclient.v2_0.client [None req-c4e77b1b-b9a9-4d0b-9a29-ab5929a2e631 edf444eb8f7443709a9b19bdf531b69f cc7cb3808bd34e108693ff2d2de9ead1 - - 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 7700829b-2088-4b80-8863-6dfa540ceabe. 2026-07-11 04:45:40.080 10 ERROR nova.scheduler.utils [None req-1550c793-fd7f-4bad-af7d-55760afbeae2 cd93b393f5b64a9895a32b5872991ff6 a3c3be1799924fdba58b67d822942eb1 - - default default] [instance: 12b8bf9b-7a33-48fa-a8eb-4a877fe3c8aa] 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 12b8bf9b-7a33-48fa-a8eb-4a877fe3c8aa was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-11 04:45:40.083 10 WARNING nova.scheduler.utils [None req-1550c793-fd7f-4bad-af7d-55760afbeae2 cd93b393f5b64a9895a32b5872991ff6 a3c3be1799924fdba58b67d822942eb1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 12b8bf9b-7a33-48fa-a8eb-4a877fe3c8aa.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 12b8bf9b-7a33-48fa-a8eb-4a877fe3c8aa. 2026-07-11 04:45:40.083 10 WARNING nova.scheduler.utils [None req-1550c793-fd7f-4bad-af7d-55760afbeae2 cd93b393f5b64a9895a32b5872991ff6 a3c3be1799924fdba58b67d822942eb1 - - default default] [instance: 12b8bf9b-7a33-48fa-a8eb-4a877fe3c8aa] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 12b8bf9b-7a33-48fa-a8eb-4a877fe3c8aa. 2026-07-11 04:45:40.155 10 WARNING neutronclient.v2_0.client [None req-1550c793-fd7f-4bad-af7d-55760afbeae2 cd93b393f5b64a9895a32b5872991ff6 a3c3be1799924fdba58b67d822942eb1 - - 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 12b8bf9b-7a33-48fa-a8eb-4a877fe3c8aa. 2026-07-11 04:45:40.229 10 WARNING neutronclient.v2_0.client [None req-1550c793-fd7f-4bad-af7d-55760afbeae2 cd93b393f5b64a9895a32b5872991ff6 a3c3be1799924fdba58b67d822942eb1 - - 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 12b8bf9b-7a33-48fa-a8eb-4a877fe3c8aa. 2026-07-11 04:45:43.319 10 ERROR nova.scheduler.utils [None req-0808a18d-6347-495a-8a51-087720ef5451 025966c6501d444090afda2c66df8a87 83fee8535e4240b09d676287b5e3e713 - - default default] [instance: d015c8c7-4489-47a1-aaed-662fbff48bdb] 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 d015c8c7-4489-47a1-aaed-662fbff48bdb was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-11 04:45:43.320 10 WARNING nova.scheduler.utils [None req-0808a18d-6347-495a-8a51-087720ef5451 025966c6501d444090afda2c66df8a87 83fee8535e4240b09d676287b5e3e713 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d015c8c7-4489-47a1-aaed-662fbff48bdb.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d015c8c7-4489-47a1-aaed-662fbff48bdb. 2026-07-11 04:45:43.320 10 WARNING nova.scheduler.utils [None req-0808a18d-6347-495a-8a51-087720ef5451 025966c6501d444090afda2c66df8a87 83fee8535e4240b09d676287b5e3e713 - - default default] [instance: d015c8c7-4489-47a1-aaed-662fbff48bdb] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d015c8c7-4489-47a1-aaed-662fbff48bdb. 2026-07-11 04:45:43.373 10 WARNING neutronclient.v2_0.client [None req-0808a18d-6347-495a-8a51-087720ef5451 025966c6501d444090afda2c66df8a87 83fee8535e4240b09d676287b5e3e713 - - 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 d015c8c7-4489-47a1-aaed-662fbff48bdb. 2026-07-11 04:45:44.264 10 WARNING neutronclient.v2_0.client [None req-0808a18d-6347-495a-8a51-087720ef5451 025966c6501d444090afda2c66df8a87 83fee8535e4240b09d676287b5e3e713 - - 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 d015c8c7-4489-47a1-aaed-662fbff48bdb. 2026-07-11 04:47:29.269 12 ERROR nova.scheduler.utils [None req-8a887492-ebd8-4f46-8ed3-c0a2a52994ef 47759d88a12a4680bed8976f1b9ef1db 17914a4e24f949a29cb2a79e6d33a444 - - default default] [instance: d6227152-7867-459a-8ebf-fcff7b8681af] 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 d6227152-7867-459a-8ebf-fcff7b8681af was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-11 04:47:29.269 12 WARNING nova.scheduler.utils [None req-8a887492-ebd8-4f46-8ed3-c0a2a52994ef 47759d88a12a4680bed8976f1b9ef1db 17914a4e24f949a29cb2a79e6d33a444 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d6227152-7867-459a-8ebf-fcff7b8681af.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d6227152-7867-459a-8ebf-fcff7b8681af. 2026-07-11 04:47:29.270 12 WARNING nova.scheduler.utils [None req-8a887492-ebd8-4f46-8ed3-c0a2a52994ef 47759d88a12a4680bed8976f1b9ef1db 17914a4e24f949a29cb2a79e6d33a444 - - default default] [instance: d6227152-7867-459a-8ebf-fcff7b8681af] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d6227152-7867-459a-8ebf-fcff7b8681af. 2026-07-11 04:47:29.310 12 WARNING neutronclient.v2_0.client [None req-8a887492-ebd8-4f46-8ed3-c0a2a52994ef 47759d88a12a4680bed8976f1b9ef1db 17914a4e24f949a29cb2a79e6d33a444 - - 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 d6227152-7867-459a-8ebf-fcff7b8681af. 2026-07-11 04:47:29.337 12 WARNING neutronclient.v2_0.client [None req-8a887492-ebd8-4f46-8ed3-c0a2a52994ef 47759d88a12a4680bed8976f1b9ef1db 17914a4e24f949a29cb2a79e6d33a444 - - 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 d6227152-7867-459a-8ebf-fcff7b8681af. 2026-07-11 04:47:35.314 10 ERROR nova.scheduler.utils [None req-7bee2426-735b-4703-85b5-21ebed2ce6d1 a604d3576fe8483f948efecd39f23fff cdea106bf11e48a69c2febbffb6dfda6 - - default default] [instance: 9d41bd0b-124c-47d4-b888-e48f01692835] 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 9d41bd0b-124c-47d4-b888-e48f01692835 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-11 04:47:35.321 10 WARNING nova.scheduler.utils [None req-7bee2426-735b-4703-85b5-21ebed2ce6d1 a604d3576fe8483f948efecd39f23fff cdea106bf11e48a69c2febbffb6dfda6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9d41bd0b-124c-47d4-b888-e48f01692835.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9d41bd0b-124c-47d4-b888-e48f01692835. 2026-07-11 04:47:35.323 10 WARNING nova.scheduler.utils [None req-7bee2426-735b-4703-85b5-21ebed2ce6d1 a604d3576fe8483f948efecd39f23fff cdea106bf11e48a69c2febbffb6dfda6 - - default default] [instance: 9d41bd0b-124c-47d4-b888-e48f01692835] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9d41bd0b-124c-47d4-b888-e48f01692835. 2026-07-11 04:47:35.368 10 WARNING neutronclient.v2_0.client [None req-7bee2426-735b-4703-85b5-21ebed2ce6d1 a604d3576fe8483f948efecd39f23fff cdea106bf11e48a69c2febbffb6dfda6 - - 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 9d41bd0b-124c-47d4-b888-e48f01692835. 2026-07-11 04:47:35.393 10 WARNING neutronclient.v2_0.client [None req-7bee2426-735b-4703-85b5-21ebed2ce6d1 a604d3576fe8483f948efecd39f23fff cdea106bf11e48a69c2febbffb6dfda6 - - 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 9d41bd0b-124c-47d4-b888-e48f01692835. 2026-07-11 04:48:09.304 12 ERROR nova.scheduler.utils [None req-250cb287-5dca-44c0-bc49-30a26c2837f3 7d11a756765e4cd0872ee1b87187b0d8 fa24b5ffea0648f5a213e037036190ec - - default default] [instance: b1706842-fa29-487b-b5c4-a1467def92d5] 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 b1706842-fa29-487b-b5c4-a1467def92d5 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-11 04:48:09.306 12 WARNING nova.scheduler.utils [None req-250cb287-5dca-44c0-bc49-30a26c2837f3 7d11a756765e4cd0872ee1b87187b0d8 fa24b5ffea0648f5a213e037036190ec - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b1706842-fa29-487b-b5c4-a1467def92d5.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b1706842-fa29-487b-b5c4-a1467def92d5. 2026-07-11 04:48:09.306 12 WARNING nova.scheduler.utils [None req-250cb287-5dca-44c0-bc49-30a26c2837f3 7d11a756765e4cd0872ee1b87187b0d8 fa24b5ffea0648f5a213e037036190ec - - default default] [instance: b1706842-fa29-487b-b5c4-a1467def92d5] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b1706842-fa29-487b-b5c4-a1467def92d5. 2026-07-11 04:48:09.350 12 WARNING neutronclient.v2_0.client [None req-250cb287-5dca-44c0-bc49-30a26c2837f3 7d11a756765e4cd0872ee1b87187b0d8 fa24b5ffea0648f5a213e037036190ec - - 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 b1706842-fa29-487b-b5c4-a1467def92d5. 2026-07-11 04:48:09.389 12 WARNING neutronclient.v2_0.client [None req-250cb287-5dca-44c0-bc49-30a26c2837f3 7d11a756765e4cd0872ee1b87187b0d8 fa24b5ffea0648f5a213e037036190ec - - 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 b1706842-fa29-487b-b5c4-a1467def92d5.