+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-09-14 20:23:10.518 1 INFO nova.utils [None req-28fe24ce-1fcb-4735-bc9d-24b765ab6d43 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-09-14 20:23:10.691 1 INFO nova.utils [None req-28fe24ce-1fcb-4735-bc9d-24b765ab6d43 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-09-14 20:23:11.691 1 INFO nova.utils [None req-28fe24ce-1fcb-4735-bc9d-24b765ab6d43 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-09-14 20:23:11.694 1 WARNING oslo_service.backend._threading.service [None req-28fe24ce-1fcb-4735-bc9d-24b765ab6d43 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-09-14 20:23:11.706 1 WARNING oslo_config.cfg [None req-28fe24ce-1fcb-4735-bc9d-24b765ab6d43 - - - - - -] 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.
2026-09-14 20:23:11.760 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-09-14 20:23:11.776 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-09-14 21:03:59.065 12 INFO nova.utils [None req-5f755346-484a-4cf0-922a-3015a15b5811 19c67fd097024e29b15caa3d12ba83eb 68b4505fc3594005b30954e875dfca72 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-09-14 21:03:59.209 12 INFO nova.compute.rpcapi [None req-b70ab2ca-dd01-4cf5-9043-2b5ec3700148 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-09-14 21:04:15.287 10 INFO nova.utils [None req-1df966ea-6b17-48d1-acb7-9c5f75a3c67d 451508d2af514d219d05295443808226 a12daf39b80d498191c791b68259bd00 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-09-14 21:04:15.469 10 INFO nova.compute.rpcapi [None req-f0b7d474-4f94-4f24-91cd-558cbd6fe58a - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-09-14 21:04:18.914 12 ERROR nova.scheduler.utils [None req-5f755346-484a-4cf0-922a-3015a15b5811 19c67fd097024e29b15caa3d12ba83eb 68b4505fc3594005b30954e875dfca72 - - default default] [instance: 27f5d8e0-0c04-46eb-8cfc-ec535121be3c] 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 27f5d8e0-0c04-46eb-8cfc-ec535121be3c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 21:04:18.916 12 WARNING nova.scheduler.utils [None req-5f755346-484a-4cf0-922a-3015a15b5811 19c67fd097024e29b15caa3d12ba83eb 68b4505fc3594005b30954e875dfca72 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27f5d8e0-0c04-46eb-8cfc-ec535121be3c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27f5d8e0-0c04-46eb-8cfc-ec535121be3c.
2026-09-14 21:04:18.916 12 WARNING nova.scheduler.utils [None req-5f755346-484a-4cf0-922a-3015a15b5811 19c67fd097024e29b15caa3d12ba83eb 68b4505fc3594005b30954e875dfca72 - - default default] [instance: 27f5d8e0-0c04-46eb-8cfc-ec535121be3c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 27f5d8e0-0c04-46eb-8cfc-ec535121be3c.
2026-09-14 21:04:19.041 12 WARNING neutronclient.v2_0.client [None req-5f755346-484a-4cf0-922a-3015a15b5811 19c67fd097024e29b15caa3d12ba83eb 68b4505fc3594005b30954e875dfca72 - - 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 27f5d8e0-0c04-46eb-8cfc-ec535121be3c.
2026-09-14 21:04:19.421 12 WARNING neutronclient.v2_0.client [None req-5f755346-484a-4cf0-922a-3015a15b5811 19c67fd097024e29b15caa3d12ba83eb 68b4505fc3594005b30954e875dfca72 - - 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 27f5d8e0-0c04-46eb-8cfc-ec535121be3c.
2026-09-14 21:04:25.034 10 ERROR nova.scheduler.utils [None req-f3406f13-81a5-4cef-b8c5-99518d35ea1b 27f4faf8fbae46e9ba349be268351674 efb291f2892847708379df6035cf337d - - default default] [instance: 6a11f120-09d1-4b09-a9f7-fd21fe1fe9ef] 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 6a11f120-09d1-4b09-a9f7-fd21fe1fe9ef was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 21:04:25.035 10 WARNING nova.scheduler.utils [None req-f3406f13-81a5-4cef-b8c5-99518d35ea1b 27f4faf8fbae46e9ba349be268351674 efb291f2892847708379df6035cf337d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6a11f120-09d1-4b09-a9f7-fd21fe1fe9ef.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6a11f120-09d1-4b09-a9f7-fd21fe1fe9ef.
2026-09-14 21:04:25.035 10 WARNING nova.scheduler.utils [None req-f3406f13-81a5-4cef-b8c5-99518d35ea1b 27f4faf8fbae46e9ba349be268351674 efb291f2892847708379df6035cf337d - - default default] [instance: 6a11f120-09d1-4b09-a9f7-fd21fe1fe9ef] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6a11f120-09d1-4b09-a9f7-fd21fe1fe9ef.
2026-09-14 21:04:25.138 10 WARNING neutronclient.v2_0.client [None req-f3406f13-81a5-4cef-b8c5-99518d35ea1b 27f4faf8fbae46e9ba349be268351674 efb291f2892847708379df6035cf337d - - 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 6a11f120-09d1-4b09-a9f7-fd21fe1fe9ef.
2026-09-14 21:04:25.753 10 WARNING neutronclient.v2_0.client [None req-f3406f13-81a5-4cef-b8c5-99518d35ea1b 27f4faf8fbae46e9ba349be268351674 efb291f2892847708379df6035cf337d - - 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 6a11f120-09d1-4b09-a9f7-fd21fe1fe9ef.
2026-09-14 21:04:30.167 10 ERROR nova.scheduler.utils [None req-55ad09bb-0e6a-4985-9be3-c182afe25701 bae2d2c0379a43c9a1faf19b6f061a8f 68a42e2537554062ab18f2a6bd21d821 - - default default] [instance: da83960e-52d8-4300-b5e8-f0623d2ea4ec] 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 da83960e-52d8-4300-b5e8-f0623d2ea4ec was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 21:04:30.168 10 WARNING nova.scheduler.utils [None req-55ad09bb-0e6a-4985-9be3-c182afe25701 bae2d2c0379a43c9a1faf19b6f061a8f 68a42e2537554062ab18f2a6bd21d821 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da83960e-52d8-4300-b5e8-f0623d2ea4ec.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da83960e-52d8-4300-b5e8-f0623d2ea4ec.
2026-09-14 21:04:30.168 10 WARNING nova.scheduler.utils [None req-55ad09bb-0e6a-4985-9be3-c182afe25701 bae2d2c0379a43c9a1faf19b6f061a8f 68a42e2537554062ab18f2a6bd21d821 - - default default] [instance: da83960e-52d8-4300-b5e8-f0623d2ea4ec] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da83960e-52d8-4300-b5e8-f0623d2ea4ec.
2026-09-14 21:04:30.207 10 WARNING neutronclient.v2_0.client [None req-55ad09bb-0e6a-4985-9be3-c182afe25701 bae2d2c0379a43c9a1faf19b6f061a8f 68a42e2537554062ab18f2a6bd21d821 - - 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 da83960e-52d8-4300-b5e8-f0623d2ea4ec.
2026-09-14 21:04:30.898 10 WARNING neutronclient.v2_0.client [None req-55ad09bb-0e6a-4985-9be3-c182afe25701 bae2d2c0379a43c9a1faf19b6f061a8f 68a42e2537554062ab18f2a6bd21d821 - - 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 da83960e-52d8-4300-b5e8-f0623d2ea4ec.
2026-09-14 21:04:31.901 10 ERROR nova.scheduler.utils [None req-1df966ea-6b17-48d1-acb7-9c5f75a3c67d 451508d2af514d219d05295443808226 a12daf39b80d498191c791b68259bd00 - - default default] [instance: 11a9ce61-3286-4d37-ae8f-1106d32ae743] 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 11a9ce61-3286-4d37-ae8f-1106d32ae743 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 21:04:31.902 10 WARNING nova.scheduler.utils [None req-1df966ea-6b17-48d1-acb7-9c5f75a3c67d 451508d2af514d219d05295443808226 a12daf39b80d498191c791b68259bd00 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 11a9ce61-3286-4d37-ae8f-1106d32ae743.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 11a9ce61-3286-4d37-ae8f-1106d32ae743.
2026-09-14 21:04:31.902 10 WARNING nova.scheduler.utils [None req-1df966ea-6b17-48d1-acb7-9c5f75a3c67d 451508d2af514d219d05295443808226 a12daf39b80d498191c791b68259bd00 - - default default] [instance: 11a9ce61-3286-4d37-ae8f-1106d32ae743] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 11a9ce61-3286-4d37-ae8f-1106d32ae743.
2026-09-14 21:04:31.945 10 WARNING neutronclient.v2_0.client [None req-1df966ea-6b17-48d1-acb7-9c5f75a3c67d 451508d2af514d219d05295443808226 a12daf39b80d498191c791b68259bd00 - - 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 11a9ce61-3286-4d37-ae8f-1106d32ae743.
2026-09-14 21:04:31.989 10 WARNING neutronclient.v2_0.client [None req-1df966ea-6b17-48d1-acb7-9c5f75a3c67d 451508d2af514d219d05295443808226 a12daf39b80d498191c791b68259bd00 - - 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 11a9ce61-3286-4d37-ae8f-1106d32ae743.
2026-09-14 21:04:51.248 10 ERROR nova.scheduler.utils [None req-58e279de-eb58-4ab8-a011-c8aa7b69f410 cfa77de7631a4049834b11bcf6fb53cc 113de8aed5cb48b783cf337f1920701b - - default default] [instance: 4b1e4b0f-09a6-41c4-82a0-0933fef36e18] 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 4b1e4b0f-09a6-41c4-82a0-0933fef36e18 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 21:04:51.248 10 WARNING nova.scheduler.utils [None req-58e279de-eb58-4ab8-a011-c8aa7b69f410 cfa77de7631a4049834b11bcf6fb53cc 113de8aed5cb48b783cf337f1920701b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4b1e4b0f-09a6-41c4-82a0-0933fef36e18.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4b1e4b0f-09a6-41c4-82a0-0933fef36e18.
2026-09-14 21:04:51.249 10 WARNING nova.scheduler.utils [None req-58e279de-eb58-4ab8-a011-c8aa7b69f410 cfa77de7631a4049834b11bcf6fb53cc 113de8aed5cb48b783cf337f1920701b - - default default] [instance: 4b1e4b0f-09a6-41c4-82a0-0933fef36e18] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4b1e4b0f-09a6-41c4-82a0-0933fef36e18.
2026-09-14 21:04:51.324 10 WARNING neutronclient.v2_0.client [None req-58e279de-eb58-4ab8-a011-c8aa7b69f410 cfa77de7631a4049834b11bcf6fb53cc 113de8aed5cb48b783cf337f1920701b - - 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 4b1e4b0f-09a6-41c4-82a0-0933fef36e18.
2026-09-14 21:04:51.370 10 WARNING neutronclient.v2_0.client [None req-58e279de-eb58-4ab8-a011-c8aa7b69f410 cfa77de7631a4049834b11bcf6fb53cc 113de8aed5cb48b783cf337f1920701b - - 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 4b1e4b0f-09a6-41c4-82a0-0933fef36e18.
2026-09-14 21:04:55.431 10 ERROR nova.scheduler.utils [None req-915d8198-8b91-48c0-9613-a351bb74cafb 8f5d6f2c63304d3281d97cbfde9541f4 0cd697ab97104d1ea97a0809d4fe1279 - - default default] [instance: 77092ca7-beb2-40ad-a06d-0714dd4d024b] 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 77092ca7-beb2-40ad-a06d-0714dd4d024b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 21:04:55.432 10 WARNING nova.scheduler.utils [None req-915d8198-8b91-48c0-9613-a351bb74cafb 8f5d6f2c63304d3281d97cbfde9541f4 0cd697ab97104d1ea97a0809d4fe1279 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 77092ca7-beb2-40ad-a06d-0714dd4d024b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 77092ca7-beb2-40ad-a06d-0714dd4d024b.
2026-09-14 21:04:55.432 10 WARNING nova.scheduler.utils [None req-915d8198-8b91-48c0-9613-a351bb74cafb 8f5d6f2c63304d3281d97cbfde9541f4 0cd697ab97104d1ea97a0809d4fe1279 - - default default] [instance: 77092ca7-beb2-40ad-a06d-0714dd4d024b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 77092ca7-beb2-40ad-a06d-0714dd4d024b.
2026-09-14 21:04:55.470 10 WARNING neutronclient.v2_0.client [None req-915d8198-8b91-48c0-9613-a351bb74cafb 8f5d6f2c63304d3281d97cbfde9541f4 0cd697ab97104d1ea97a0809d4fe1279 - - 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 77092ca7-beb2-40ad-a06d-0714dd4d024b.
2026-09-14 21:04:55.512 10 WARNING neutronclient.v2_0.client [None req-915d8198-8b91-48c0-9613-a351bb74cafb 8f5d6f2c63304d3281d97cbfde9541f4 0cd697ab97104d1ea97a0809d4fe1279 - - 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 77092ca7-beb2-40ad-a06d-0714dd4d024b.
2026-09-14 21:05:31.787 10 ERROR nova.scheduler.utils [None req-7176332d-5465-4aaa-8d25-6d3ebb34190f 6c43e1275933494aa289f8cb9298fc2b bf4daca4aa0e460f84ca61a19fccf2fd - - default default] [instance: 5c741fbb-c2ab-4fb9-94cf-cf5b56a4e4d1] 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 5c741fbb-c2ab-4fb9-94cf-cf5b56a4e4d1 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 21:05:31.788 10 WARNING nova.scheduler.utils [None req-7176332d-5465-4aaa-8d25-6d3ebb34190f 6c43e1275933494aa289f8cb9298fc2b bf4daca4aa0e460f84ca61a19fccf2fd - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5c741fbb-c2ab-4fb9-94cf-cf5b56a4e4d1.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5c741fbb-c2ab-4fb9-94cf-cf5b56a4e4d1.
2026-09-14 21:05:31.788 10 WARNING nova.scheduler.utils [None req-7176332d-5465-4aaa-8d25-6d3ebb34190f 6c43e1275933494aa289f8cb9298fc2b bf4daca4aa0e460f84ca61a19fccf2fd - - default default] [instance: 5c741fbb-c2ab-4fb9-94cf-cf5b56a4e4d1] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5c741fbb-c2ab-4fb9-94cf-cf5b56a4e4d1.
2026-09-14 21:05:31.827 10 WARNING neutronclient.v2_0.client [None req-7176332d-5465-4aaa-8d25-6d3ebb34190f 6c43e1275933494aa289f8cb9298fc2b bf4daca4aa0e460f84ca61a19fccf2fd - - 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 5c741fbb-c2ab-4fb9-94cf-cf5b56a4e4d1.
2026-09-14 21:05:31.897 10 WARNING neutronclient.v2_0.client [None req-7176332d-5465-4aaa-8d25-6d3ebb34190f 6c43e1275933494aa289f8cb9298fc2b bf4daca4aa0e460f84ca61a19fccf2fd - - 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 5c741fbb-c2ab-4fb9-94cf-cf5b56a4e4d1.
2026-09-14 21:06:22.975 10 ERROR nova.scheduler.utils [None req-d614e574-8611-4ad0-8a62-4096c4def606 1a129d2a312f4ff7a2316ad99bee2e43 d937cb9b3e8540939aff10358839180a - - default default] [instance: 503ef145-ec6b-4fb6-bed4-57978ad317df] 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 503ef145-ec6b-4fb6-bed4-57978ad317df was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 21:06:22.975 10 WARNING nova.scheduler.utils [None req-d614e574-8611-4ad0-8a62-4096c4def606 1a129d2a312f4ff7a2316ad99bee2e43 d937cb9b3e8540939aff10358839180a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 503ef145-ec6b-4fb6-bed4-57978ad317df.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 503ef145-ec6b-4fb6-bed4-57978ad317df.
2026-09-14 21:06:22.976 10 WARNING nova.scheduler.utils [None req-d614e574-8611-4ad0-8a62-4096c4def606 1a129d2a312f4ff7a2316ad99bee2e43 d937cb9b3e8540939aff10358839180a - - default default] [instance: 503ef145-ec6b-4fb6-bed4-57978ad317df] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 503ef145-ec6b-4fb6-bed4-57978ad317df.
2026-09-14 21:06:23.032 10 WARNING neutronclient.v2_0.client [None req-d614e574-8611-4ad0-8a62-4096c4def606 1a129d2a312f4ff7a2316ad99bee2e43 d937cb9b3e8540939aff10358839180a - - 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 503ef145-ec6b-4fb6-bed4-57978ad317df.
2026-09-14 21:06:23.057 10 WARNING neutronclient.v2_0.client [None req-d614e574-8611-4ad0-8a62-4096c4def606 1a129d2a312f4ff7a2316ad99bee2e43 d937cb9b3e8540939aff10358839180a - - 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 503ef145-ec6b-4fb6-bed4-57978ad317df.
2026-09-14 21:07:13.173 10 ERROR nova.scheduler.utils [None req-354e86b5-2335-469b-81a4-266e129384d6 735737ac77c04d63929b302048ec9330 ddb47d7342ca4dabaab8f7dc01df04a9 - - default default] [instance: 7c587348-9f95-49f9-aca4-7f3b139b9493] 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 7c587348-9f95-49f9-aca4-7f3b139b9493 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 21:07:13.174 10 WARNING nova.scheduler.utils [None req-354e86b5-2335-469b-81a4-266e129384d6 735737ac77c04d63929b302048ec9330 ddb47d7342ca4dabaab8f7dc01df04a9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7c587348-9f95-49f9-aca4-7f3b139b9493.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7c587348-9f95-49f9-aca4-7f3b139b9493.
2026-09-14 21:07:13.175 10 WARNING nova.scheduler.utils [None req-354e86b5-2335-469b-81a4-266e129384d6 735737ac77c04d63929b302048ec9330 ddb47d7342ca4dabaab8f7dc01df04a9 - - default default] [instance: 7c587348-9f95-49f9-aca4-7f3b139b9493] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7c587348-9f95-49f9-aca4-7f3b139b9493.
2026-09-14 21:07:13.248 10 WARNING neutronclient.v2_0.client [None req-354e86b5-2335-469b-81a4-266e129384d6 735737ac77c04d63929b302048ec9330 ddb47d7342ca4dabaab8f7dc01df04a9 - - 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 7c587348-9f95-49f9-aca4-7f3b139b9493.
2026-09-14 21:07:13.345 10 WARNING neutronclient.v2_0.client [None req-354e86b5-2335-469b-81a4-266e129384d6 735737ac77c04d63929b302048ec9330 ddb47d7342ca4dabaab8f7dc01df04a9 - - 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 7c587348-9f95-49f9-aca4-7f3b139b9493.
2026-09-14 21:08:37.398 12 ERROR nova.scheduler.utils [None req-06f1dbb3-1e69-4976-863e-077cf572b415 e3ddbe32f2714a76ba7d9651338e5dac 9034b35bce264e88b16fe717be68eb33 - - default default] [instance: 309c5b9e-59cc-4749-bf87-d5188bf628d4] 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 309c5b9e-59cc-4749-bf87-d5188bf628d4 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 21:08:37.399 12 WARNING nova.scheduler.utils [None req-06f1dbb3-1e69-4976-863e-077cf572b415 e3ddbe32f2714a76ba7d9651338e5dac 9034b35bce264e88b16fe717be68eb33 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 309c5b9e-59cc-4749-bf87-d5188bf628d4.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 309c5b9e-59cc-4749-bf87-d5188bf628d4.
2026-09-14 21:08:37.400 12 WARNING nova.scheduler.utils [None req-06f1dbb3-1e69-4976-863e-077cf572b415 e3ddbe32f2714a76ba7d9651338e5dac 9034b35bce264e88b16fe717be68eb33 - - default default] [instance: 309c5b9e-59cc-4749-bf87-d5188bf628d4] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 309c5b9e-59cc-4749-bf87-d5188bf628d4.
2026-09-14 21:08:37.472 12 WARNING neutronclient.v2_0.client [None req-06f1dbb3-1e69-4976-863e-077cf572b415 e3ddbe32f2714a76ba7d9651338e5dac 9034b35bce264e88b16fe717be68eb33 - - 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 309c5b9e-59cc-4749-bf87-d5188bf628d4.
2026-09-14 21:08:37.511 12 WARNING neutronclient.v2_0.client [None req-06f1dbb3-1e69-4976-863e-077cf572b415 e3ddbe32f2714a76ba7d9651338e5dac 9034b35bce264e88b16fe717be68eb33 - - 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 309c5b9e-59cc-4749-bf87-d5188bf628d4.