+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-09-11 18:04:57.651 1 INFO nova.utils [None req-cc3b92ef-46f3-475a-88b3-a1a5020c7efd - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-09-11 18:04:57.818 1 INFO nova.utils [None req-cc3b92ef-46f3-475a-88b3-a1a5020c7efd - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-09-11 18:04:58.818 1 INFO nova.utils [None req-cc3b92ef-46f3-475a-88b3-a1a5020c7efd - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-09-11 18:04:58.821 1 WARNING oslo_service.backend._threading.service [None req-cc3b92ef-46f3-475a-88b3-a1a5020c7efd - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-09-11 18:04:58.836 1 WARNING oslo_config.cfg [None req-cc3b92ef-46f3-475a-88b3-a1a5020c7efd - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.
2026-09-11 18:04:58.884 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-09-11 18:04:58.908 13 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-09-11 18:45:39.762 13 INFO nova.utils [None req-18887635-e37d-48de-9e92-161d948b7bdf 75fe1e90c6354c7d8f685100fe9c8aed 2df97cdfdb4e47f9ae7c0cdd3fc51dfe - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-09-11 18:45:39.918 13 INFO nova.compute.rpcapi [None req-dbab6c37-cfbc-4cf7-8e72-4321a03d3b19 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-09-11 18:45:50.274 10 INFO nova.utils [None req-26d5dd29-475e-4193-ab11-4b8d36ac1453 dfdcd2ac67864fafb2edad98ab7994e8 ef281d21dbe6455dbaa407dd79514208 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-09-11 18:45:50.471 10 INFO nova.compute.rpcapi [None req-c2a1be38-4911-4520-be05-a52d4d881a06 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-09-11 18:46:00.058 10 ERROR nova.scheduler.utils [None req-18887635-e37d-48de-9e92-161d948b7bdf 75fe1e90c6354c7d8f685100fe9c8aed 2df97cdfdb4e47f9ae7c0cdd3fc51dfe - - default default] [instance: 171df10e-6c95-4268-8b3f-898a96ae536f] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 171df10e-6c95-4268-8b3f-898a96ae536f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:46:00.064 10 WARNING nova.scheduler.utils [None req-18887635-e37d-48de-9e92-161d948b7bdf 75fe1e90c6354c7d8f685100fe9c8aed 2df97cdfdb4e47f9ae7c0cdd3fc51dfe - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 171df10e-6c95-4268-8b3f-898a96ae536f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 171df10e-6c95-4268-8b3f-898a96ae536f.
2026-09-11 18:46:00.067 10 WARNING nova.scheduler.utils [None req-18887635-e37d-48de-9e92-161d948b7bdf 75fe1e90c6354c7d8f685100fe9c8aed 2df97cdfdb4e47f9ae7c0cdd3fc51dfe - - default default] [instance: 171df10e-6c95-4268-8b3f-898a96ae536f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 171df10e-6c95-4268-8b3f-898a96ae536f.
2026-09-11 18:46:00.235 10 WARNING neutronclient.v2_0.client [None req-18887635-e37d-48de-9e92-161d948b7bdf 75fe1e90c6354c7d8f685100fe9c8aed 2df97cdfdb4e47f9ae7c0cdd3fc51dfe - - 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 171df10e-6c95-4268-8b3f-898a96ae536f.
2026-09-11 18:46:00.884 10 WARNING neutronclient.v2_0.client [None req-18887635-e37d-48de-9e92-161d948b7bdf 75fe1e90c6354c7d8f685100fe9c8aed 2df97cdfdb4e47f9ae7c0cdd3fc51dfe - - 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 171df10e-6c95-4268-8b3f-898a96ae536f.
2026-09-11 18:46:04.825 13 ERROR nova.scheduler.utils [None req-26d5dd29-475e-4193-ab11-4b8d36ac1453 dfdcd2ac67864fafb2edad98ab7994e8 ef281d21dbe6455dbaa407dd79514208 - - default default] [instance: 82b8798f-0d56-4db6-ad42-8869c96dfa44] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 82b8798f-0d56-4db6-ad42-8869c96dfa44 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:46:04.827 13 WARNING nova.scheduler.utils [None req-26d5dd29-475e-4193-ab11-4b8d36ac1453 dfdcd2ac67864fafb2edad98ab7994e8 ef281d21dbe6455dbaa407dd79514208 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 82b8798f-0d56-4db6-ad42-8869c96dfa44.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 82b8798f-0d56-4db6-ad42-8869c96dfa44.
2026-09-11 18:46:04.827 13 WARNING nova.scheduler.utils [None req-26d5dd29-475e-4193-ab11-4b8d36ac1453 dfdcd2ac67864fafb2edad98ab7994e8 ef281d21dbe6455dbaa407dd79514208 - - default default] [instance: 82b8798f-0d56-4db6-ad42-8869c96dfa44] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 82b8798f-0d56-4db6-ad42-8869c96dfa44.
2026-09-11 18:46:04.903 13 WARNING neutronclient.v2_0.client [None req-26d5dd29-475e-4193-ab11-4b8d36ac1453 dfdcd2ac67864fafb2edad98ab7994e8 ef281d21dbe6455dbaa407dd79514208 - - 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 82b8798f-0d56-4db6-ad42-8869c96dfa44.
2026-09-11 18:46:05.638 13 WARNING neutronclient.v2_0.client [None req-26d5dd29-475e-4193-ab11-4b8d36ac1453 dfdcd2ac67864fafb2edad98ab7994e8 ef281d21dbe6455dbaa407dd79514208 - - 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 82b8798f-0d56-4db6-ad42-8869c96dfa44.
2026-09-11 18:46:06.149 13 ERROR nova.scheduler.utils [None req-88225044-f2e2-4b8e-b961-ad6fa5ea3090 3b71dea396db44f89dd44f6415f24c13 56a6cda724d94fe59b0cf2aec93eb5f9 - - default default] [instance: 139aced0-3c17-45cc-9eea-4fda195b4911] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 139aced0-3c17-45cc-9eea-4fda195b4911 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:46:06.149 13 WARNING nova.scheduler.utils [None req-88225044-f2e2-4b8e-b961-ad6fa5ea3090 3b71dea396db44f89dd44f6415f24c13 56a6cda724d94fe59b0cf2aec93eb5f9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 139aced0-3c17-45cc-9eea-4fda195b4911.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 139aced0-3c17-45cc-9eea-4fda195b4911.
2026-09-11 18:46:06.150 13 WARNING nova.scheduler.utils [None req-88225044-f2e2-4b8e-b961-ad6fa5ea3090 3b71dea396db44f89dd44f6415f24c13 56a6cda724d94fe59b0cf2aec93eb5f9 - - default default] [instance: 139aced0-3c17-45cc-9eea-4fda195b4911] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 139aced0-3c17-45cc-9eea-4fda195b4911.
2026-09-11 18:46:06.211 13 WARNING neutronclient.v2_0.client [None req-88225044-f2e2-4b8e-b961-ad6fa5ea3090 3b71dea396db44f89dd44f6415f24c13 56a6cda724d94fe59b0cf2aec93eb5f9 - - 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 139aced0-3c17-45cc-9eea-4fda195b4911.
2026-09-11 18:46:06.246 13 WARNING neutronclient.v2_0.client [None req-88225044-f2e2-4b8e-b961-ad6fa5ea3090 3b71dea396db44f89dd44f6415f24c13 56a6cda724d94fe59b0cf2aec93eb5f9 - - 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 139aced0-3c17-45cc-9eea-4fda195b4911.
2026-09-11 18:46:38.080 10 ERROR nova.scheduler.utils [None req-275d4e64-9abb-4eef-b813-d87503b44219 105f3117530b48d8ac316b1502798fb6 1790e676e0ab4a1e866ab17ea86ff1fc - - default default] [instance: 29ba4130-dc34-421b-9586-f2f729cedea2] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 29ba4130-dc34-421b-9586-f2f729cedea2 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:46:38.081 10 WARNING nova.scheduler.utils [None req-275d4e64-9abb-4eef-b813-d87503b44219 105f3117530b48d8ac316b1502798fb6 1790e676e0ab4a1e866ab17ea86ff1fc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 29ba4130-dc34-421b-9586-f2f729cedea2.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 29ba4130-dc34-421b-9586-f2f729cedea2.
2026-09-11 18:46:38.082 10 WARNING nova.scheduler.utils [None req-275d4e64-9abb-4eef-b813-d87503b44219 105f3117530b48d8ac316b1502798fb6 1790e676e0ab4a1e866ab17ea86ff1fc - - default default] [instance: 29ba4130-dc34-421b-9586-f2f729cedea2] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 29ba4130-dc34-421b-9586-f2f729cedea2.
2026-09-11 18:46:38.160 10 WARNING neutronclient.v2_0.client [None req-275d4e64-9abb-4eef-b813-d87503b44219 105f3117530b48d8ac316b1502798fb6 1790e676e0ab4a1e866ab17ea86ff1fc - - 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 29ba4130-dc34-421b-9586-f2f729cedea2.
2026-09-11 18:46:38.502 10 WARNING neutronclient.v2_0.client [None req-275d4e64-9abb-4eef-b813-d87503b44219 105f3117530b48d8ac316b1502798fb6 1790e676e0ab4a1e866ab17ea86ff1fc - - 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 29ba4130-dc34-421b-9586-f2f729cedea2.
2026-09-11 18:46:45.179 10 ERROR nova.scheduler.utils [None req-abaf3fbe-7223-46c9-b127-a66d074a11d3 44f0d9559d2b4f59a65fc34804dcf425 1206381c91ea4a689c39b74c02a41a21 - - default default] [instance: 88043148-e072-4028-80b3-ae07fab24452] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 88043148-e072-4028-80b3-ae07fab24452 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:46:45.180 10 WARNING nova.scheduler.utils [None req-abaf3fbe-7223-46c9-b127-a66d074a11d3 44f0d9559d2b4f59a65fc34804dcf425 1206381c91ea4a689c39b74c02a41a21 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 88043148-e072-4028-80b3-ae07fab24452.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 88043148-e072-4028-80b3-ae07fab24452.
2026-09-11 18:46:45.181 10 WARNING nova.scheduler.utils [None req-abaf3fbe-7223-46c9-b127-a66d074a11d3 44f0d9559d2b4f59a65fc34804dcf425 1206381c91ea4a689c39b74c02a41a21 - - default default] [instance: 88043148-e072-4028-80b3-ae07fab24452] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 88043148-e072-4028-80b3-ae07fab24452.
2026-09-11 18:46:45.227 10 WARNING neutronclient.v2_0.client [None req-abaf3fbe-7223-46c9-b127-a66d074a11d3 44f0d9559d2b4f59a65fc34804dcf425 1206381c91ea4a689c39b74c02a41a21 - - 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 88043148-e072-4028-80b3-ae07fab24452.
2026-09-11 18:46:45.379 10 WARNING neutronclient.v2_0.client [None req-abaf3fbe-7223-46c9-b127-a66d074a11d3 44f0d9559d2b4f59a65fc34804dcf425 1206381c91ea4a689c39b74c02a41a21 - - 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 88043148-e072-4028-80b3-ae07fab24452.
2026-09-11 18:47:11.577 10 ERROR nova.scheduler.utils [None req-9c35295b-ad12-426a-a18e-8c2fd9910d65 0622c0cf5879477d96ccb011a45bcded 69bcc70940384f5294a3db7e4877c14d - - default default] [instance: 6f999fea-c813-4989-b7fa-f5d82005d983] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 6f999fea-c813-4989-b7fa-f5d82005d983 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:47:11.578 10 WARNING nova.scheduler.utils [None req-9c35295b-ad12-426a-a18e-8c2fd9910d65 0622c0cf5879477d96ccb011a45bcded 69bcc70940384f5294a3db7e4877c14d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6f999fea-c813-4989-b7fa-f5d82005d983.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6f999fea-c813-4989-b7fa-f5d82005d983.
2026-09-11 18:47:11.579 10 WARNING nova.scheduler.utils [None req-9c35295b-ad12-426a-a18e-8c2fd9910d65 0622c0cf5879477d96ccb011a45bcded 69bcc70940384f5294a3db7e4877c14d - - default default] [instance: 6f999fea-c813-4989-b7fa-f5d82005d983] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6f999fea-c813-4989-b7fa-f5d82005d983.
2026-09-11 18:47:11.651 10 WARNING neutronclient.v2_0.client [None req-9c35295b-ad12-426a-a18e-8c2fd9910d65 0622c0cf5879477d96ccb011a45bcded 69bcc70940384f5294a3db7e4877c14d - - 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 6f999fea-c813-4989-b7fa-f5d82005d983.
2026-09-11 18:47:11.688 10 WARNING neutronclient.v2_0.client [None req-9c35295b-ad12-426a-a18e-8c2fd9910d65 0622c0cf5879477d96ccb011a45bcded 69bcc70940384f5294a3db7e4877c14d - - 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 6f999fea-c813-4989-b7fa-f5d82005d983.
2026-09-11 18:48:20.930 13 ERROR nova.scheduler.utils [None req-7832c625-10a5-47df-ba7b-03a95e97f958 c754ed3e810e4fb5b51c4640a89892f1 9020bf72ece145baa9adebe2b0c6d718 - - default default] [instance: a0cb615e-20ff-4a00-9aed-a53e090510c0] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance a0cb615e-20ff-4a00-9aed-a53e090510c0 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:48:20.931 13 WARNING nova.scheduler.utils [None req-7832c625-10a5-47df-ba7b-03a95e97f958 c754ed3e810e4fb5b51c4640a89892f1 9020bf72ece145baa9adebe2b0c6d718 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a0cb615e-20ff-4a00-9aed-a53e090510c0.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a0cb615e-20ff-4a00-9aed-a53e090510c0.
2026-09-11 18:48:20.931 13 WARNING nova.scheduler.utils [None req-7832c625-10a5-47df-ba7b-03a95e97f958 c754ed3e810e4fb5b51c4640a89892f1 9020bf72ece145baa9adebe2b0c6d718 - - default default] [instance: a0cb615e-20ff-4a00-9aed-a53e090510c0] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a0cb615e-20ff-4a00-9aed-a53e090510c0.
2026-09-11 18:48:20.981 13 WARNING neutronclient.v2_0.client [None req-7832c625-10a5-47df-ba7b-03a95e97f958 c754ed3e810e4fb5b51c4640a89892f1 9020bf72ece145baa9adebe2b0c6d718 - - 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 a0cb615e-20ff-4a00-9aed-a53e090510c0.
2026-09-11 18:48:21.217 13 WARNING neutronclient.v2_0.client [None req-7832c625-10a5-47df-ba7b-03a95e97f958 c754ed3e810e4fb5b51c4640a89892f1 9020bf72ece145baa9adebe2b0c6d718 - - 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 a0cb615e-20ff-4a00-9aed-a53e090510c0.
2026-09-11 18:48:38.420 10 ERROR nova.scheduler.utils [None req-8bae5ebd-c69f-453d-9dc6-ea3d8232a3a2 a7d543666ce443c6a006c9a065039116 86a713300a9845e1990e8214965b1762 - - default default] [instance: ce9c041e-5fc3-4766-a60e-14ded900f1a6] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance ce9c041e-5fc3-4766-a60e-14ded900f1a6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:48:38.421 10 WARNING nova.scheduler.utils [None req-8bae5ebd-c69f-453d-9dc6-ea3d8232a3a2 a7d543666ce443c6a006c9a065039116 86a713300a9845e1990e8214965b1762 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ce9c041e-5fc3-4766-a60e-14ded900f1a6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ce9c041e-5fc3-4766-a60e-14ded900f1a6.
2026-09-11 18:48:38.422 10 WARNING nova.scheduler.utils [None req-8bae5ebd-c69f-453d-9dc6-ea3d8232a3a2 a7d543666ce443c6a006c9a065039116 86a713300a9845e1990e8214965b1762 - - default default] [instance: ce9c041e-5fc3-4766-a60e-14ded900f1a6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ce9c041e-5fc3-4766-a60e-14ded900f1a6.
2026-09-11 18:48:38.494 10 WARNING neutronclient.v2_0.client [None req-8bae5ebd-c69f-453d-9dc6-ea3d8232a3a2 a7d543666ce443c6a006c9a065039116 86a713300a9845e1990e8214965b1762 - - 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 ce9c041e-5fc3-4766-a60e-14ded900f1a6.
2026-09-11 18:48:39.533 10 WARNING neutronclient.v2_0.client [None req-8bae5ebd-c69f-453d-9dc6-ea3d8232a3a2 a7d543666ce443c6a006c9a065039116 86a713300a9845e1990e8214965b1762 - - 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 ce9c041e-5fc3-4766-a60e-14ded900f1a6.
2026-09-11 18:49:26.958 10 ERROR nova.scheduler.utils [None req-06187803-9c1d-4be5-913c-291c30990008 968d60231b494c2ea873f27e1e8b0253 92df5c4d5d674d6dbb2294f258ca24cf - - default default] [instance: ad3890ef-de43-4bed-b110-d538f8f66c0a] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance ad3890ef-de43-4bed-b110-d538f8f66c0a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:49:26.959 10 WARNING nova.scheduler.utils [None req-06187803-9c1d-4be5-913c-291c30990008 968d60231b494c2ea873f27e1e8b0253 92df5c4d5d674d6dbb2294f258ca24cf - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ad3890ef-de43-4bed-b110-d538f8f66c0a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ad3890ef-de43-4bed-b110-d538f8f66c0a.
2026-09-11 18:49:26.960 10 WARNING nova.scheduler.utils [None req-06187803-9c1d-4be5-913c-291c30990008 968d60231b494c2ea873f27e1e8b0253 92df5c4d5d674d6dbb2294f258ca24cf - - default default] [instance: ad3890ef-de43-4bed-b110-d538f8f66c0a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ad3890ef-de43-4bed-b110-d538f8f66c0a.
2026-09-11 18:49:27.021 10 WARNING neutronclient.v2_0.client [None req-06187803-9c1d-4be5-913c-291c30990008 968d60231b494c2ea873f27e1e8b0253 92df5c4d5d674d6dbb2294f258ca24cf - - 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 ad3890ef-de43-4bed-b110-d538f8f66c0a.
2026-09-11 18:49:27.068 10 WARNING neutronclient.v2_0.client [None req-06187803-9c1d-4be5-913c-291c30990008 968d60231b494c2ea873f27e1e8b0253 92df5c4d5d674d6dbb2294f258ca24cf - - 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 ad3890ef-de43-4bed-b110-d538f8f66c0a.
2026-09-11 18:50:52.453 13 ERROR nova.scheduler.utils [None req-0142448e-fbd3-4e2e-b5a6-d692161077ef ea278166714b4e8cab300c691c5c1e70 30a517a61bcc4d99bf3367cb7a26f186 - - default default] [instance: 04e8b0b0-5afa-43f5-9ad7-e983ce63ee90] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 04e8b0b0-5afa-43f5-9ad7-e983ce63ee90 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-11 18:50:52.455 13 WARNING nova.scheduler.utils [None req-0142448e-fbd3-4e2e-b5a6-d692161077ef ea278166714b4e8cab300c691c5c1e70 30a517a61bcc4d99bf3367cb7a26f186 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 04e8b0b0-5afa-43f5-9ad7-e983ce63ee90.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 04e8b0b0-5afa-43f5-9ad7-e983ce63ee90.
2026-09-11 18:50:52.455 13 WARNING nova.scheduler.utils [None req-0142448e-fbd3-4e2e-b5a6-d692161077ef ea278166714b4e8cab300c691c5c1e70 30a517a61bcc4d99bf3367cb7a26f186 - - default default] [instance: 04e8b0b0-5afa-43f5-9ad7-e983ce63ee90] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 04e8b0b0-5afa-43f5-9ad7-e983ce63ee90.
2026-09-11 18:50:52.511 13 WARNING neutronclient.v2_0.client [None req-0142448e-fbd3-4e2e-b5a6-d692161077ef ea278166714b4e8cab300c691c5c1e70 30a517a61bcc4d99bf3367cb7a26f186 - - 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 04e8b0b0-5afa-43f5-9ad7-e983ce63ee90.
2026-09-11 18:50:52.548 13 WARNING neutronclient.v2_0.client [None req-0142448e-fbd3-4e2e-b5a6-d692161077ef ea278166714b4e8cab300c691c5c1e70 30a517a61bcc4d99bf3367cb7a26f186 - - 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 04e8b0b0-5afa-43f5-9ad7-e983ce63ee90.