+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-23 19:11:49.989 1 INFO nova.utils [None req-bea5e261-61d3-43a3-b5ae-773c5823c6eb - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-23 19:11:50.163 1 INFO nova.utils [None req-bea5e261-61d3-43a3-b5ae-773c5823c6eb - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-23 19:11:51.163 1 INFO nova.utils [None req-bea5e261-61d3-43a3-b5ae-773c5823c6eb - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-23 19:11:51.168 1 WARNING oslo_service.backend._threading.service [None req-bea5e261-61d3-43a3-b5ae-773c5823c6eb - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-23 19:11:51.179 1 WARNING oslo_config.cfg [None req-bea5e261-61d3-43a3-b5ae-773c5823c6eb - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.
2026-07-23 19:11:51.231 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-23 19:11:51.241 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-23 19:50:51.043 12 INFO nova.utils [None req-25dc1f77-90c3-41c8-afbc-d0026e5bf25e 17fc6fd0690e46dbb7419da768e2578e 9a389d04d95c4bc18b131d29421ea689 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-23 19:50:51.252 12 INFO nova.compute.rpcapi [None req-d77c441f-9ce3-46dc-be3c-ec0b7ef6f0f7 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-23 19:50:51.259 10 INFO nova.utils [None req-d7b2444c-ece6-4776-92e7-f88dc4e49170 7f100ee1676c4ced9fe1d57739fe94d6 dd64ca64125742638d8c21b68d3d4b4f - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-23 19:50:51.529 10 INFO nova.compute.rpcapi [None req-82780414-1dc8-4fe4-ad9d-2c1411af6e55 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-23 19:51:06.489 10 ERROR nova.scheduler.utils [None req-25dc1f77-90c3-41c8-afbc-d0026e5bf25e 17fc6fd0690e46dbb7419da768e2578e 9a389d04d95c4bc18b131d29421ea689 - - default default] [instance: e6542441-2770-47d5-bc81-0ecf29a73846] 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 e6542441-2770-47d5-bc81-0ecf29a73846 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 19:51:06.491 10 WARNING nova.scheduler.utils [None req-25dc1f77-90c3-41c8-afbc-d0026e5bf25e 17fc6fd0690e46dbb7419da768e2578e 9a389d04d95c4bc18b131d29421ea689 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e6542441-2770-47d5-bc81-0ecf29a73846.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e6542441-2770-47d5-bc81-0ecf29a73846.
2026-07-23 19:51:06.491 10 WARNING nova.scheduler.utils [None req-25dc1f77-90c3-41c8-afbc-d0026e5bf25e 17fc6fd0690e46dbb7419da768e2578e 9a389d04d95c4bc18b131d29421ea689 - - default default] [instance: e6542441-2770-47d5-bc81-0ecf29a73846] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e6542441-2770-47d5-bc81-0ecf29a73846.
2026-07-23 19:51:06.602 10 WARNING neutronclient.v2_0.client [None req-25dc1f77-90c3-41c8-afbc-d0026e5bf25e 17fc6fd0690e46dbb7419da768e2578e 9a389d04d95c4bc18b131d29421ea689 - - 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 e6542441-2770-47d5-bc81-0ecf29a73846.
2026-07-23 19:51:07.133 10 WARNING neutronclient.v2_0.client [None req-25dc1f77-90c3-41c8-afbc-d0026e5bf25e 17fc6fd0690e46dbb7419da768e2578e 9a389d04d95c4bc18b131d29421ea689 - - 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 e6542441-2770-47d5-bc81-0ecf29a73846.
2026-07-23 19:51:07.951 12 ERROR nova.scheduler.utils [None req-d7b2444c-ece6-4776-92e7-f88dc4e49170 7f100ee1676c4ced9fe1d57739fe94d6 dd64ca64125742638d8c21b68d3d4b4f - - default default] [instance: 30acc86b-efcf-4a06-a84d-135b1ae0b061] 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 30acc86b-efcf-4a06-a84d-135b1ae0b061 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 19:51:07.952 12 WARNING nova.scheduler.utils [None req-d7b2444c-ece6-4776-92e7-f88dc4e49170 7f100ee1676c4ced9fe1d57739fe94d6 dd64ca64125742638d8c21b68d3d4b4f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 30acc86b-efcf-4a06-a84d-135b1ae0b061.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 30acc86b-efcf-4a06-a84d-135b1ae0b061.
2026-07-23 19:51:07.953 12 WARNING nova.scheduler.utils [None req-d7b2444c-ece6-4776-92e7-f88dc4e49170 7f100ee1676c4ced9fe1d57739fe94d6 dd64ca64125742638d8c21b68d3d4b4f - - default default] [instance: 30acc86b-efcf-4a06-a84d-135b1ae0b061] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 30acc86b-efcf-4a06-a84d-135b1ae0b061.
2026-07-23 19:51:08.045 12 WARNING neutronclient.v2_0.client [None req-d7b2444c-ece6-4776-92e7-f88dc4e49170 7f100ee1676c4ced9fe1d57739fe94d6 dd64ca64125742638d8c21b68d3d4b4f - - 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 30acc86b-efcf-4a06-a84d-135b1ae0b061.
2026-07-23 19:51:08.797 12 WARNING neutronclient.v2_0.client [None req-d7b2444c-ece6-4776-92e7-f88dc4e49170 7f100ee1676c4ced9fe1d57739fe94d6 dd64ca64125742638d8c21b68d3d4b4f - - 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 30acc86b-efcf-4a06-a84d-135b1ae0b061.
2026-07-23 19:51:12.533 10 ERROR nova.scheduler.utils [None req-fbf963f0-b93e-433c-b757-13edd6af8102 baf7573b6dc54dafba2904ed3169cf15 c837cb109c2f4da68d1324b55c0c9b75 - - default default] [instance: 9274ccc0-4741-4298-b5f9-7a563cc7d1aa] 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 9274ccc0-4741-4298-b5f9-7a563cc7d1aa was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 19:51:12.534 10 WARNING nova.scheduler.utils [None req-fbf963f0-b93e-433c-b757-13edd6af8102 baf7573b6dc54dafba2904ed3169cf15 c837cb109c2f4da68d1324b55c0c9b75 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9274ccc0-4741-4298-b5f9-7a563cc7d1aa.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9274ccc0-4741-4298-b5f9-7a563cc7d1aa.
2026-07-23 19:51:12.534 10 WARNING nova.scheduler.utils [None req-fbf963f0-b93e-433c-b757-13edd6af8102 baf7573b6dc54dafba2904ed3169cf15 c837cb109c2f4da68d1324b55c0c9b75 - - default default] [instance: 9274ccc0-4741-4298-b5f9-7a563cc7d1aa] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9274ccc0-4741-4298-b5f9-7a563cc7d1aa.
2026-07-23 19:51:12.579 10 WARNING neutronclient.v2_0.client [None req-fbf963f0-b93e-433c-b757-13edd6af8102 baf7573b6dc54dafba2904ed3169cf15 c837cb109c2f4da68d1324b55c0c9b75 - - 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 9274ccc0-4741-4298-b5f9-7a563cc7d1aa.
2026-07-23 19:51:12.611 10 WARNING neutronclient.v2_0.client [None req-fbf963f0-b93e-433c-b757-13edd6af8102 baf7573b6dc54dafba2904ed3169cf15 c837cb109c2f4da68d1324b55c0c9b75 - - 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 9274ccc0-4741-4298-b5f9-7a563cc7d1aa.
2026-07-23 19:51:28.949 12 ERROR nova.scheduler.utils [None req-43f4c09f-c7e8-4d8c-9068-bec747a08a05 daeea6713bff4e4ba0c66a2cea2c0dfd 542b915e3a4847caa65fb2d1af99553f - - default default] [instance: 3e327529-9eed-42f4-8397-893a52eec209] 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 3e327529-9eed-42f4-8397-893a52eec209 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 19:51:28.950 12 WARNING nova.scheduler.utils [None req-43f4c09f-c7e8-4d8c-9068-bec747a08a05 daeea6713bff4e4ba0c66a2cea2c0dfd 542b915e3a4847caa65fb2d1af99553f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3e327529-9eed-42f4-8397-893a52eec209.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3e327529-9eed-42f4-8397-893a52eec209.
2026-07-23 19:51:28.950 12 WARNING nova.scheduler.utils [None req-43f4c09f-c7e8-4d8c-9068-bec747a08a05 daeea6713bff4e4ba0c66a2cea2c0dfd 542b915e3a4847caa65fb2d1af99553f - - default default] [instance: 3e327529-9eed-42f4-8397-893a52eec209] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3e327529-9eed-42f4-8397-893a52eec209.
2026-07-23 19:51:28.994 12 WARNING neutronclient.v2_0.client [None req-43f4c09f-c7e8-4d8c-9068-bec747a08a05 daeea6713bff4e4ba0c66a2cea2c0dfd 542b915e3a4847caa65fb2d1af99553f - - 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 3e327529-9eed-42f4-8397-893a52eec209.
2026-07-23 19:51:29.012 12 WARNING neutronclient.v2_0.client [None req-43f4c09f-c7e8-4d8c-9068-bec747a08a05 daeea6713bff4e4ba0c66a2cea2c0dfd 542b915e3a4847caa65fb2d1af99553f - - 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 3e327529-9eed-42f4-8397-893a52eec209.
2026-07-23 19:53:05.368 10 ERROR nova.scheduler.utils [None req-1960d6d0-9e4a-46f3-bdb4-ac94b2ee8827 fd546c3203414f5986dc777fe80a0b8f 0a09b426a0fd4e2faba3ee85a3f017a1 - - default default] [instance: 9b397207-1049-43eb-810c-16b8004fa0e8] 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 9b397207-1049-43eb-810c-16b8004fa0e8 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 19:53:05.370 10 WARNING nova.scheduler.utils [None req-1960d6d0-9e4a-46f3-bdb4-ac94b2ee8827 fd546c3203414f5986dc777fe80a0b8f 0a09b426a0fd4e2faba3ee85a3f017a1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9b397207-1049-43eb-810c-16b8004fa0e8.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9b397207-1049-43eb-810c-16b8004fa0e8.
2026-07-23 19:53:05.370 10 WARNING nova.scheduler.utils [None req-1960d6d0-9e4a-46f3-bdb4-ac94b2ee8827 fd546c3203414f5986dc777fe80a0b8f 0a09b426a0fd4e2faba3ee85a3f017a1 - - default default] [instance: 9b397207-1049-43eb-810c-16b8004fa0e8] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9b397207-1049-43eb-810c-16b8004fa0e8.
2026-07-23 19:53:05.426 10 WARNING neutronclient.v2_0.client [None req-1960d6d0-9e4a-46f3-bdb4-ac94b2ee8827 fd546c3203414f5986dc777fe80a0b8f 0a09b426a0fd4e2faba3ee85a3f017a1 - - 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 9b397207-1049-43eb-810c-16b8004fa0e8.
2026-07-23 19:53:05.457 10 WARNING neutronclient.v2_0.client [None req-1960d6d0-9e4a-46f3-bdb4-ac94b2ee8827 fd546c3203414f5986dc777fe80a0b8f 0a09b426a0fd4e2faba3ee85a3f017a1 - - 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 9b397207-1049-43eb-810c-16b8004fa0e8.
2026-07-23 19:53:33.104 10 ERROR nova.scheduler.utils [None req-1f47fac4-f197-4252-beed-20b6452834aa e932494c8d0140818a6799ccea8e7b8f 6e886d8ae56f446292152f511fa70e0e - - default default] [instance: a52c4a33-255e-44cc-b7b7-f41fa93b5093] 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 a52c4a33-255e-44cc-b7b7-f41fa93b5093 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 19:53:33.104 10 WARNING nova.scheduler.utils [None req-1f47fac4-f197-4252-beed-20b6452834aa e932494c8d0140818a6799ccea8e7b8f 6e886d8ae56f446292152f511fa70e0e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a52c4a33-255e-44cc-b7b7-f41fa93b5093.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a52c4a33-255e-44cc-b7b7-f41fa93b5093.
2026-07-23 19:53:33.105 10 WARNING nova.scheduler.utils [None req-1f47fac4-f197-4252-beed-20b6452834aa e932494c8d0140818a6799ccea8e7b8f 6e886d8ae56f446292152f511fa70e0e - - default default] [instance: a52c4a33-255e-44cc-b7b7-f41fa93b5093] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a52c4a33-255e-44cc-b7b7-f41fa93b5093.
2026-07-23 19:53:33.158 10 WARNING neutronclient.v2_0.client [None req-1f47fac4-f197-4252-beed-20b6452834aa e932494c8d0140818a6799ccea8e7b8f 6e886d8ae56f446292152f511fa70e0e - - 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 a52c4a33-255e-44cc-b7b7-f41fa93b5093.
2026-07-23 19:53:33.191 10 WARNING neutronclient.v2_0.client [None req-1f47fac4-f197-4252-beed-20b6452834aa e932494c8d0140818a6799ccea8e7b8f 6e886d8ae56f446292152f511fa70e0e - - 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 a52c4a33-255e-44cc-b7b7-f41fa93b5093.
2026-07-23 19:53:34.765 12 ERROR nova.scheduler.utils [None req-b7e528d2-3021-4cde-9bba-5239ae8a3e81 ca1f1eb88b01428c9030cd05e5904e9f 2cdb93de8aba4ec7ac4ecb8d38fe8b00 - - default default] [instance: 403b66ce-5927-42d0-a9a9-513794e9a026] 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 403b66ce-5927-42d0-a9a9-513794e9a026 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 19:53:34.766 12 WARNING nova.scheduler.utils [None req-b7e528d2-3021-4cde-9bba-5239ae8a3e81 ca1f1eb88b01428c9030cd05e5904e9f 2cdb93de8aba4ec7ac4ecb8d38fe8b00 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 403b66ce-5927-42d0-a9a9-513794e9a026.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 403b66ce-5927-42d0-a9a9-513794e9a026.
2026-07-23 19:53:34.766 12 WARNING nova.scheduler.utils [None req-b7e528d2-3021-4cde-9bba-5239ae8a3e81 ca1f1eb88b01428c9030cd05e5904e9f 2cdb93de8aba4ec7ac4ecb8d38fe8b00 - - default default] [instance: 403b66ce-5927-42d0-a9a9-513794e9a026] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 403b66ce-5927-42d0-a9a9-513794e9a026.
2026-07-23 19:53:34.861 12 WARNING neutronclient.v2_0.client [None req-b7e528d2-3021-4cde-9bba-5239ae8a3e81 ca1f1eb88b01428c9030cd05e5904e9f 2cdb93de8aba4ec7ac4ecb8d38fe8b00 - - 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 403b66ce-5927-42d0-a9a9-513794e9a026.
2026-07-23 19:53:35.094 12 WARNING neutronclient.v2_0.client [None req-b7e528d2-3021-4cde-9bba-5239ae8a3e81 ca1f1eb88b01428c9030cd05e5904e9f 2cdb93de8aba4ec7ac4ecb8d38fe8b00 - - 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 403b66ce-5927-42d0-a9a9-513794e9a026.
2026-07-23 19:53:53.669 12 ERROR nova.scheduler.utils [None req-9e43f2bd-db72-4977-8a69-314940497120 501c6582ea02451f9089288707d817ac 4d657719030440fab69820e8f66c6b7a - - default default] [instance: 28c983a7-5ca6-4900-ab5c-e820f57ff528] 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 28c983a7-5ca6-4900-ab5c-e820f57ff528 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 19:53:53.670 12 WARNING nova.scheduler.utils [None req-9e43f2bd-db72-4977-8a69-314940497120 501c6582ea02451f9089288707d817ac 4d657719030440fab69820e8f66c6b7a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 28c983a7-5ca6-4900-ab5c-e820f57ff528.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 28c983a7-5ca6-4900-ab5c-e820f57ff528.
2026-07-23 19:53:53.670 12 WARNING nova.scheduler.utils [None req-9e43f2bd-db72-4977-8a69-314940497120 501c6582ea02451f9089288707d817ac 4d657719030440fab69820e8f66c6b7a - - default default] [instance: 28c983a7-5ca6-4900-ab5c-e820f57ff528] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 28c983a7-5ca6-4900-ab5c-e820f57ff528.
2026-07-23 19:53:53.714 12 WARNING neutronclient.v2_0.client [None req-9e43f2bd-db72-4977-8a69-314940497120 501c6582ea02451f9089288707d817ac 4d657719030440fab69820e8f66c6b7a - - 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 28c983a7-5ca6-4900-ab5c-e820f57ff528.
2026-07-23 19:53:53.783 12 WARNING neutronclient.v2_0.client [None req-9e43f2bd-db72-4977-8a69-314940497120 501c6582ea02451f9089288707d817ac 4d657719030440fab69820e8f66c6b7a - - 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 28c983a7-5ca6-4900-ab5c-e820f57ff528.
2026-07-23 19:54:29.746 10 ERROR nova.scheduler.utils [None req-ad624e6c-8398-43bb-8514-571baa1a237c a5fea0e2c1374ecbbcf8ffe62fdc7a9c 4b030aa2bcd345e3aa64f0566308f47d - - default default] [instance: 4f6b296f-23dc-473c-a5b7-60ccb84b4d41] 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 4f6b296f-23dc-473c-a5b7-60ccb84b4d41 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 19:54:29.746 10 WARNING nova.scheduler.utils [None req-ad624e6c-8398-43bb-8514-571baa1a237c a5fea0e2c1374ecbbcf8ffe62fdc7a9c 4b030aa2bcd345e3aa64f0566308f47d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4f6b296f-23dc-473c-a5b7-60ccb84b4d41.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4f6b296f-23dc-473c-a5b7-60ccb84b4d41.
2026-07-23 19:54:29.747 10 WARNING nova.scheduler.utils [None req-ad624e6c-8398-43bb-8514-571baa1a237c a5fea0e2c1374ecbbcf8ffe62fdc7a9c 4b030aa2bcd345e3aa64f0566308f47d - - default default] [instance: 4f6b296f-23dc-473c-a5b7-60ccb84b4d41] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4f6b296f-23dc-473c-a5b7-60ccb84b4d41.
2026-07-23 19:54:29.799 10 WARNING neutronclient.v2_0.client [None req-ad624e6c-8398-43bb-8514-571baa1a237c a5fea0e2c1374ecbbcf8ffe62fdc7a9c 4b030aa2bcd345e3aa64f0566308f47d - - 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 4f6b296f-23dc-473c-a5b7-60ccb84b4d41.
2026-07-23 19:54:29.825 10 WARNING neutronclient.v2_0.client [None req-ad624e6c-8398-43bb-8514-571baa1a237c a5fea0e2c1374ecbbcf8ffe62fdc7a9c 4b030aa2bcd345e3aa64f0566308f47d - - 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 4f6b296f-23dc-473c-a5b7-60ccb84b4d41.
2026-07-23 19:55:01.903 12 ERROR nova.scheduler.utils [None req-05c77471-4b4f-457f-8bae-2e455f50efc2 daaa7ed8af4041039d0390e2b746ee51 8cdec5f0b4854253a359d3ce6d995336 - - default default] [instance: 7b10a62f-58c9-4b98-a3b9-0daa8a5d7f39] 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 7b10a62f-58c9-4b98-a3b9-0daa8a5d7f39 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 19:55:01.904 12 WARNING nova.scheduler.utils [None req-05c77471-4b4f-457f-8bae-2e455f50efc2 daaa7ed8af4041039d0390e2b746ee51 8cdec5f0b4854253a359d3ce6d995336 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7b10a62f-58c9-4b98-a3b9-0daa8a5d7f39.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7b10a62f-58c9-4b98-a3b9-0daa8a5d7f39.
2026-07-23 19:55:01.904 12 WARNING nova.scheduler.utils [None req-05c77471-4b4f-457f-8bae-2e455f50efc2 daaa7ed8af4041039d0390e2b746ee51 8cdec5f0b4854253a359d3ce6d995336 - - default default] [instance: 7b10a62f-58c9-4b98-a3b9-0daa8a5d7f39] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7b10a62f-58c9-4b98-a3b9-0daa8a5d7f39.
2026-07-23 19:55:01.940 12 WARNING neutronclient.v2_0.client [None req-05c77471-4b4f-457f-8bae-2e455f50efc2 daaa7ed8af4041039d0390e2b746ee51 8cdec5f0b4854253a359d3ce6d995336 - - 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 7b10a62f-58c9-4b98-a3b9-0daa8a5d7f39.
2026-07-23 19:55:01.964 12 WARNING neutronclient.v2_0.client [None req-05c77471-4b4f-457f-8bae-2e455f50efc2 daaa7ed8af4041039d0390e2b746ee51 8cdec5f0b4854253a359d3ce6d995336 - - 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 7b10a62f-58c9-4b98-a3b9-0daa8a5d7f39.