+ exec nova-conductor --config-file /etc/nova/nova.conf /var/lib/openstack/lib/python3.12/site-packages/nova/monkey_patch.py:39: EventletDeprecationWarning: Eventlet is deprecated. It is currently being maintained in bugfix mode, and we strongly recommend against using it for new projects. If you are already using Eventlet, we recommend migrating to a different framework. For more detail see https://eventlet.readthedocs.io/en/latest/asyncio/migration.html import eventlet 2026-09-19 11:02:32.106 1 INFO nova.utils [None req-0ec19c05-98c9-4df5-a6c3-ca52e1ae3285 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-09-19 11:02:32.255 1 INFO nova.utils [None req-0ec19c05-98c9-4df5-a6c3-ca52e1ae3285 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-09-19 11:02:32.255 1 INFO nova.utils [None req-0ec19c05-98c9-4df5-a6c3-ca52e1ae3285 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-09-19 11:02:32.256 1 INFO oslo_service.backend._eventlet.service [None req-0ec19c05-98c9-4df5-a6c3-ca52e1ae3285 - - - - - -] Starting 2 workers 2026-09-19 11:02:32.262 6 INFO nova.service [-] Starting conductor node (version 33.0.2) 2026-09-19 11:02:32.263 7 INFO nova.service [-] Starting conductor node (version 33.0.2) 2026-09-19 11:02:32.265 1 WARNING oslo_config.cfg [None req-0ec19c05-98c9-4df5-a6c3-ca52e1ae3285 - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal ( Support for image service configuration via standard keystoneauth1 Adapter options was added in the 17.0.0 Queens release. The api_servers option was retained temporarily to allow consumers time to cut over to a real load balancing solution. ). Its value may be silently ignored in the future. 2026-09-19 11:43:10.936 7 INFO nova.utils [None req-e6c94dfa-e837-4eb4-8fe2-85152ad9bf53 accc1ab6140b4e38965475d54ec478c2 5341287ccf944b1ab945d34ed03929ce - - default default] The cell worker thread pool MainProcess.cell_worker is initialized 2026-09-19 11:43:11.010 7 WARNING oslo_config.cfg [None req-e6c94dfa-e837-4eb4-8fe2-85152ad9bf53 accc1ab6140b4e38965475d54ec478c2 5341287ccf944b1ab945d34ed03929ce - - default default] Deprecated: Option "api_servers" from group "glance" is deprecated for removal ( Support for image service configuration via standard keystoneauth1 Adapter options was added in the 17.0.0 Queens release. The api_servers option was retained temporarily to allow consumers time to cut over to a real load balancing solution. ). Its value may be silently ignored in the future. 2026-09-19 11:43:11.058 7 INFO nova.compute.rpcapi [None req-a271de7e-1aa8-4407-86d7-0a12021ea42d - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-09-19 11:43:11.376 6 WARNING oslo_config.cfg [None req-e6c94dfa-e837-4eb4-8fe2-85152ad9bf53 accc1ab6140b4e38965475d54ec478c2 5341287ccf944b1ab945d34ed03929ce - - default default] Deprecated: Option "api_servers" from group "glance" is deprecated for removal ( Support for image service configuration via standard keystoneauth1 Adapter options was added in the 17.0.0 Queens release. The api_servers option was retained temporarily to allow consumers time to cut over to a real load balancing solution. ). Its value may be silently ignored in the future. 2026-09-19 11:43:17.493 6 ERROR nova.scheduler.utils [None req-e6c94dfa-e837-4eb4-8fe2-85152ad9bf53 accc1ab6140b4e38965475d54ec478c2 5341287ccf944b1ab945d34ed03929ce - - default default] [instance: d3200f72-b0d1-49f1-b2d9-5319260c21f3] 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 450, 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 752, 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 4887, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, 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 8421, 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 1522, 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 776, 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 756, 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 d3200f72-b0d1-49f1-b2d9-5319260c21f3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-19 11:43:17.495 6 WARNING nova.scheduler.utils [None req-e6c94dfa-e837-4eb4-8fe2-85152ad9bf53 accc1ab6140b4e38965475d54ec478c2 5341287ccf944b1ab945d34ed03929ce - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d3200f72-b0d1-49f1-b2d9-5319260c21f3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d3200f72-b0d1-49f1-b2d9-5319260c21f3. 2026-09-19 11:43:17.496 6 WARNING nova.scheduler.utils [None req-e6c94dfa-e837-4eb4-8fe2-85152ad9bf53 accc1ab6140b4e38965475d54ec478c2 5341287ccf944b1ab945d34ed03929ce - - default default] [instance: d3200f72-b0d1-49f1-b2d9-5319260c21f3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d3200f72-b0d1-49f1-b2d9-5319260c21f3. 2026-09-19 11:43:17.628 6 WARNING neutronclient.v2_0.client [None req-e6c94dfa-e837-4eb4-8fe2-85152ad9bf53 accc1ab6140b4e38965475d54ec478c2 5341287ccf944b1ab945d34ed03929ce - - 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 d3200f72-b0d1-49f1-b2d9-5319260c21f3. 2026-09-19 11:43:18.792 6 WARNING neutronclient.v2_0.client [None req-e6c94dfa-e837-4eb4-8fe2-85152ad9bf53 accc1ab6140b4e38965475d54ec478c2 5341287ccf944b1ab945d34ed03929ce - - 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 d3200f72-b0d1-49f1-b2d9-5319260c21f3. 2026-09-19 11:43:33.222 6 INFO nova.utils [None req-ef57d4a8-01e2-4ce0-a9d4-ba561bb4eadc 914c112887cf4a9592a1932ec336e41d 912e58da396340bca05844a8d21e0ad9 - - default default] The cell worker thread pool MainProcess.cell_worker is initialized 2026-09-19 11:43:33.364 6 INFO nova.compute.rpcapi [None req-9b5f6363-a67c-41e8-854d-a6db9ec7e4d6 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-09-19 11:43:41.448 7 ERROR nova.scheduler.utils [None req-f2adf76d-9dd5-47f6-80d0-78b5fd924bae 3dc57ae3ab464e449d19780a97907c2d 84bc43dc7fa145768fffbd939f77e041 - - default default] [instance: c96512e5-c602-404d-9c37-f353cd8fa96a] 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 450, 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 752, 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 4887, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, 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 8421, 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 1522, 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 776, 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 756, 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 c96512e5-c602-404d-9c37-f353cd8fa96a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-19 11:43:41.450 7 WARNING nova.scheduler.utils [None req-f2adf76d-9dd5-47f6-80d0-78b5fd924bae 3dc57ae3ab464e449d19780a97907c2d 84bc43dc7fa145768fffbd939f77e041 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c96512e5-c602-404d-9c37-f353cd8fa96a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c96512e5-c602-404d-9c37-f353cd8fa96a. 2026-09-19 11:43:41.451 7 WARNING nova.scheduler.utils [None req-f2adf76d-9dd5-47f6-80d0-78b5fd924bae 3dc57ae3ab464e449d19780a97907c2d 84bc43dc7fa145768fffbd939f77e041 - - default default] [instance: c96512e5-c602-404d-9c37-f353cd8fa96a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c96512e5-c602-404d-9c37-f353cd8fa96a. 2026-09-19 11:43:41.551 7 WARNING neutronclient.v2_0.client [None req-f2adf76d-9dd5-47f6-80d0-78b5fd924bae 3dc57ae3ab464e449d19780a97907c2d 84bc43dc7fa145768fffbd939f77e041 - - 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 c96512e5-c602-404d-9c37-f353cd8fa96a. 2026-09-19 11:43:42.135 7 ERROR nova.scheduler.utils [None req-ef57d4a8-01e2-4ce0-a9d4-ba561bb4eadc 914c112887cf4a9592a1932ec336e41d 912e58da396340bca05844a8d21e0ad9 - - default default] [instance: e87495f3-f539-4cb2-9f31-fd59ea83d4c8] 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 450, 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 752, 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 4887, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, 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 8421, 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 1522, 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 776, 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 756, 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 e87495f3-f539-4cb2-9f31-fd59ea83d4c8 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-19 11:43:42.137 7 WARNING nova.scheduler.utils [None req-ef57d4a8-01e2-4ce0-a9d4-ba561bb4eadc 914c112887cf4a9592a1932ec336e41d 912e58da396340bca05844a8d21e0ad9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e87495f3-f539-4cb2-9f31-fd59ea83d4c8.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e87495f3-f539-4cb2-9f31-fd59ea83d4c8. 2026-09-19 11:43:42.137 7 WARNING nova.scheduler.utils [None req-ef57d4a8-01e2-4ce0-a9d4-ba561bb4eadc 914c112887cf4a9592a1932ec336e41d 912e58da396340bca05844a8d21e0ad9 - - default default] [instance: e87495f3-f539-4cb2-9f31-fd59ea83d4c8] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e87495f3-f539-4cb2-9f31-fd59ea83d4c8. 2026-09-19 11:43:42.155 7 WARNING neutronclient.v2_0.client [None req-f2adf76d-9dd5-47f6-80d0-78b5fd924bae 3dc57ae3ab464e449d19780a97907c2d 84bc43dc7fa145768fffbd939f77e041 - - 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 c96512e5-c602-404d-9c37-f353cd8fa96a. 2026-09-19 11:43:42.236 7 WARNING neutronclient.v2_0.client [None req-ef57d4a8-01e2-4ce0-a9d4-ba561bb4eadc 914c112887cf4a9592a1932ec336e41d 912e58da396340bca05844a8d21e0ad9 - - 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 e87495f3-f539-4cb2-9f31-fd59ea83d4c8. 2026-09-19 11:43:42.276 7 WARNING neutronclient.v2_0.client [None req-ef57d4a8-01e2-4ce0-a9d4-ba561bb4eadc 914c112887cf4a9592a1932ec336e41d 912e58da396340bca05844a8d21e0ad9 - - 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 e87495f3-f539-4cb2-9f31-fd59ea83d4c8. 2026-09-19 11:43:53.363 7 ERROR nova.scheduler.utils [None req-73f2cc0d-511d-464d-be92-c65ff6d3a6e0 cdf9d06b1b1143dc94ec655beb310d69 d709bae512344c9fa1186350c059070e - - default default] [instance: a3e4d325-d448-42ce-8a82-8a6bd1e2159e] 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 450, 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 752, 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 4887, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, 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 8421, 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 1522, 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 776, 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 756, 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 a3e4d325-d448-42ce-8a82-8a6bd1e2159e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-19 11:43:53.363 7 WARNING nova.scheduler.utils [None req-73f2cc0d-511d-464d-be92-c65ff6d3a6e0 cdf9d06b1b1143dc94ec655beb310d69 d709bae512344c9fa1186350c059070e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a3e4d325-d448-42ce-8a82-8a6bd1e2159e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a3e4d325-d448-42ce-8a82-8a6bd1e2159e. 2026-09-19 11:43:53.364 7 WARNING nova.scheduler.utils [None req-73f2cc0d-511d-464d-be92-c65ff6d3a6e0 cdf9d06b1b1143dc94ec655beb310d69 d709bae512344c9fa1186350c059070e - - default default] [instance: a3e4d325-d448-42ce-8a82-8a6bd1e2159e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a3e4d325-d448-42ce-8a82-8a6bd1e2159e. 2026-09-19 11:43:53.416 7 WARNING neutronclient.v2_0.client [None req-73f2cc0d-511d-464d-be92-c65ff6d3a6e0 cdf9d06b1b1143dc94ec655beb310d69 d709bae512344c9fa1186350c059070e - - 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 a3e4d325-d448-42ce-8a82-8a6bd1e2159e. 2026-09-19 11:43:53.462 7 WARNING neutronclient.v2_0.client [None req-73f2cc0d-511d-464d-be92-c65ff6d3a6e0 cdf9d06b1b1143dc94ec655beb310d69 d709bae512344c9fa1186350c059070e - - 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 a3e4d325-d448-42ce-8a82-8a6bd1e2159e. 2026-09-19 11:44:02.709 6 ERROR nova.scheduler.utils [None req-319cc8a9-02ec-4000-acd8-6299bf69496e 1c8f9911582b4861afe696e0e2246ef2 dda83d90a5b1472a87c50dc27507336a - - default default] [instance: 3b00b902-b0e9-44df-90dd-53a46359aac5] 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 450, 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 752, 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 4887, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, 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 8421, 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 1522, 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 776, 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 756, 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 3b00b902-b0e9-44df-90dd-53a46359aac5 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-19 11:44:02.712 6 WARNING nova.scheduler.utils [None req-319cc8a9-02ec-4000-acd8-6299bf69496e 1c8f9911582b4861afe696e0e2246ef2 dda83d90a5b1472a87c50dc27507336a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3b00b902-b0e9-44df-90dd-53a46359aac5.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3b00b902-b0e9-44df-90dd-53a46359aac5. 2026-09-19 11:44:02.712 6 WARNING nova.scheduler.utils [None req-319cc8a9-02ec-4000-acd8-6299bf69496e 1c8f9911582b4861afe696e0e2246ef2 dda83d90a5b1472a87c50dc27507336a - - default default] [instance: 3b00b902-b0e9-44df-90dd-53a46359aac5] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3b00b902-b0e9-44df-90dd-53a46359aac5. 2026-09-19 11:44:02.774 6 WARNING neutronclient.v2_0.client [None req-319cc8a9-02ec-4000-acd8-6299bf69496e 1c8f9911582b4861afe696e0e2246ef2 dda83d90a5b1472a87c50dc27507336a - - 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 3b00b902-b0e9-44df-90dd-53a46359aac5. 2026-09-19 11:44:02.806 6 WARNING neutronclient.v2_0.client [None req-319cc8a9-02ec-4000-acd8-6299bf69496e 1c8f9911582b4861afe696e0e2246ef2 dda83d90a5b1472a87c50dc27507336a - - 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 3b00b902-b0e9-44df-90dd-53a46359aac5. 2026-09-19 11:44:14.931 7 ERROR nova.scheduler.utils [None req-e08f0877-5a3f-405d-a54d-917999cadced 041021b8602144cd9db9352cf7c1f4aa 540c54b275f9444c86f7a632d7a53d45 - - default default] [instance: 75ee98c9-3c4e-4da2-a20c-3f5c21183c99] 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 450, 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 752, 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 4887, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, 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 8421, 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 1522, 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 776, 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 756, 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 75ee98c9-3c4e-4da2-a20c-3f5c21183c99 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-19 11:44:14.933 7 WARNING nova.scheduler.utils [None req-e08f0877-5a3f-405d-a54d-917999cadced 041021b8602144cd9db9352cf7c1f4aa 540c54b275f9444c86f7a632d7a53d45 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 75ee98c9-3c4e-4da2-a20c-3f5c21183c99.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 75ee98c9-3c4e-4da2-a20c-3f5c21183c99. 2026-09-19 11:44:14.933 7 WARNING nova.scheduler.utils [None req-e08f0877-5a3f-405d-a54d-917999cadced 041021b8602144cd9db9352cf7c1f4aa 540c54b275f9444c86f7a632d7a53d45 - - default default] [instance: 75ee98c9-3c4e-4da2-a20c-3f5c21183c99] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 75ee98c9-3c4e-4da2-a20c-3f5c21183c99. 2026-09-19 11:44:14.987 7 WARNING neutronclient.v2_0.client [None req-e08f0877-5a3f-405d-a54d-917999cadced 041021b8602144cd9db9352cf7c1f4aa 540c54b275f9444c86f7a632d7a53d45 - - 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 75ee98c9-3c4e-4da2-a20c-3f5c21183c99. 2026-09-19 11:44:15.015 7 WARNING neutronclient.v2_0.client [None req-e08f0877-5a3f-405d-a54d-917999cadced 041021b8602144cd9db9352cf7c1f4aa 540c54b275f9444c86f7a632d7a53d45 - - 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 75ee98c9-3c4e-4da2-a20c-3f5c21183c99. 2026-09-19 11:45:38.822 7 ERROR nova.scheduler.utils [None req-9f719ad8-1466-4d1d-bf09-b38c94e8ded6 97c4ab4e82f44de18f959d03a5fa5515 f9e4d8e26559420cafc14de641c7ef43 - - default default] [instance: 7b08550b-74f8-42bc-9ade-5a71804a6552] 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 450, 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 752, 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 4887, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, 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 8421, 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 1522, 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 776, 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 756, 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 7b08550b-74f8-42bc-9ade-5a71804a6552 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-19 11:45:38.824 7 WARNING nova.scheduler.utils [None req-9f719ad8-1466-4d1d-bf09-b38c94e8ded6 97c4ab4e82f44de18f959d03a5fa5515 f9e4d8e26559420cafc14de641c7ef43 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7b08550b-74f8-42bc-9ade-5a71804a6552.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7b08550b-74f8-42bc-9ade-5a71804a6552. 2026-09-19 11:45:38.824 7 WARNING nova.scheduler.utils [None req-9f719ad8-1466-4d1d-bf09-b38c94e8ded6 97c4ab4e82f44de18f959d03a5fa5515 f9e4d8e26559420cafc14de641c7ef43 - - default default] [instance: 7b08550b-74f8-42bc-9ade-5a71804a6552] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7b08550b-74f8-42bc-9ade-5a71804a6552. 2026-09-19 11:45:38.890 7 WARNING neutronclient.v2_0.client [None req-9f719ad8-1466-4d1d-bf09-b38c94e8ded6 97c4ab4e82f44de18f959d03a5fa5515 f9e4d8e26559420cafc14de641c7ef43 - - 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 7b08550b-74f8-42bc-9ade-5a71804a6552. 2026-09-19 11:45:38.920 7 WARNING neutronclient.v2_0.client [None req-9f719ad8-1466-4d1d-bf09-b38c94e8ded6 97c4ab4e82f44de18f959d03a5fa5515 f9e4d8e26559420cafc14de641c7ef43 - - 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 7b08550b-74f8-42bc-9ade-5a71804a6552. 2026-09-19 11:46:01.821 7 ERROR nova.scheduler.utils [None req-9e43c789-14b5-4050-b8c7-d49ab81ca01e e609a500269845f7a097a85f1ff59ea3 0abd355049cc47fd8599c9ccb55a37a5 - - default default] [instance: 9483920e-dc34-47ba-9e6d-663c57042b2d] 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 450, 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 752, 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 4887, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, 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 8421, 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 1522, 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 776, 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 756, 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 9483920e-dc34-47ba-9e6d-663c57042b2d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-19 11:46:01.822 7 WARNING nova.scheduler.utils [None req-9e43c789-14b5-4050-b8c7-d49ab81ca01e e609a500269845f7a097a85f1ff59ea3 0abd355049cc47fd8599c9ccb55a37a5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9483920e-dc34-47ba-9e6d-663c57042b2d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9483920e-dc34-47ba-9e6d-663c57042b2d. 2026-09-19 11:46:01.822 7 WARNING nova.scheduler.utils [None req-9e43c789-14b5-4050-b8c7-d49ab81ca01e e609a500269845f7a097a85f1ff59ea3 0abd355049cc47fd8599c9ccb55a37a5 - - default default] [instance: 9483920e-dc34-47ba-9e6d-663c57042b2d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9483920e-dc34-47ba-9e6d-663c57042b2d. 2026-09-19 11:46:01.880 7 WARNING neutronclient.v2_0.client [None req-9e43c789-14b5-4050-b8c7-d49ab81ca01e e609a500269845f7a097a85f1ff59ea3 0abd355049cc47fd8599c9ccb55a37a5 - - 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 9483920e-dc34-47ba-9e6d-663c57042b2d. 2026-09-19 11:46:01.911 7 WARNING neutronclient.v2_0.client [None req-9e43c789-14b5-4050-b8c7-d49ab81ca01e e609a500269845f7a097a85f1ff59ea3 0abd355049cc47fd8599c9ccb55a37a5 - - 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 9483920e-dc34-47ba-9e6d-663c57042b2d. 2026-09-19 11:46:38.298 7 ERROR nova.scheduler.utils [None req-95786b81-c820-453d-9efc-04cbe50257dd 31b9060d593443b29fe94ee3fd6de76f 8f9eb4d2aec64b8d806c0bd4779346a9 - - default default] [instance: 445b4422-65a7-4d49-9fa8-cc3e5a1f436c] 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 450, 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 752, 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 4887, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, 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 8421, 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 1522, 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 776, 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 756, 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 445b4422-65a7-4d49-9fa8-cc3e5a1f436c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-19 11:46:38.300 7 WARNING nova.scheduler.utils [None req-95786b81-c820-453d-9efc-04cbe50257dd 31b9060d593443b29fe94ee3fd6de76f 8f9eb4d2aec64b8d806c0bd4779346a9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 445b4422-65a7-4d49-9fa8-cc3e5a1f436c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 445b4422-65a7-4d49-9fa8-cc3e5a1f436c. 2026-09-19 11:46:38.300 7 WARNING nova.scheduler.utils [None req-95786b81-c820-453d-9efc-04cbe50257dd 31b9060d593443b29fe94ee3fd6de76f 8f9eb4d2aec64b8d806c0bd4779346a9 - - default default] [instance: 445b4422-65a7-4d49-9fa8-cc3e5a1f436c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 445b4422-65a7-4d49-9fa8-cc3e5a1f436c. 2026-09-19 11:46:38.357 7 WARNING neutronclient.v2_0.client [None req-95786b81-c820-453d-9efc-04cbe50257dd 31b9060d593443b29fe94ee3fd6de76f 8f9eb4d2aec64b8d806c0bd4779346a9 - - 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 445b4422-65a7-4d49-9fa8-cc3e5a1f436c. 2026-09-19 11:46:38.929 7 WARNING neutronclient.v2_0.client [None req-95786b81-c820-453d-9efc-04cbe50257dd 31b9060d593443b29fe94ee3fd6de76f 8f9eb4d2aec64b8d806c0bd4779346a9 - - 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 445b4422-65a7-4d49-9fa8-cc3e5a1f436c. 2026-09-19 11:47:01.736 6 ERROR nova.scheduler.utils [None req-c33987d8-22d0-4b27-a5ca-dc6a10d3f71d ecdcb0338058412285c261c9cebf3a71 2f0fed26dd2346eca4093b87e7423462 - - default default] [instance: eb86f6a3-a65e-4b93-a84d-e36fb0df7fbb] 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 450, 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 752, 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 4887, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, 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 8421, 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 1522, 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 776, 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 756, 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 eb86f6a3-a65e-4b93-a84d-e36fb0df7fbb was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-09-19 11:47:01.736 6 WARNING nova.scheduler.utils [None req-c33987d8-22d0-4b27-a5ca-dc6a10d3f71d ecdcb0338058412285c261c9cebf3a71 2f0fed26dd2346eca4093b87e7423462 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eb86f6a3-a65e-4b93-a84d-e36fb0df7fbb.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eb86f6a3-a65e-4b93-a84d-e36fb0df7fbb. 2026-09-19 11:47:01.737 6 WARNING nova.scheduler.utils [None req-c33987d8-22d0-4b27-a5ca-dc6a10d3f71d ecdcb0338058412285c261c9cebf3a71 2f0fed26dd2346eca4093b87e7423462 - - default default] [instance: eb86f6a3-a65e-4b93-a84d-e36fb0df7fbb] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eb86f6a3-a65e-4b93-a84d-e36fb0df7fbb. 2026-09-19 11:47:01.777 6 WARNING neutronclient.v2_0.client [None req-c33987d8-22d0-4b27-a5ca-dc6a10d3f71d ecdcb0338058412285c261c9cebf3a71 2f0fed26dd2346eca4093b87e7423462 - - 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 eb86f6a3-a65e-4b93-a84d-e36fb0df7fbb. 2026-09-19 11:47:01.839 6 WARNING neutronclient.v2_0.client [None req-c33987d8-22d0-4b27-a5ca-dc6a10d3f71d ecdcb0338058412285c261c9cebf3a71 2f0fed26dd2346eca4093b87e7423462 - - 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 eb86f6a3-a65e-4b93-a84d-e36fb0df7fbb.