+ exec nova-conductor --config-file /etc/nova/nova.conf
/var/lib/openstack/lib/python3.12/site-packages/nova/monkey_patch.py:39: EventletDeprecationWarning: 
Eventlet is deprecated. It is currently being maintained in bugfix mode, and
we strongly recommend against using it for new projects.

If you are already using Eventlet, we recommend migrating to a different
framework.  For more detail see
https://eventlet.readthedocs.io/en/latest/asyncio/migration.html

  import eventlet
2026-09-18 02:12:32.251 1 INFO nova.utils [None req-01ecb4d6-2fb4-4528-bfe0-72220624c406 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-09-18 02:12:32.411 1 INFO nova.utils [None req-01ecb4d6-2fb4-4528-bfe0-72220624c406 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-09-18 02:12:32.411 1 INFO nova.utils [None req-01ecb4d6-2fb4-4528-bfe0-72220624c406 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-09-18 02:12:32.412 1 INFO oslo_service.backend._eventlet.service [None req-01ecb4d6-2fb4-4528-bfe0-72220624c406 - - - - - -] Starting 2 workers
2026-09-18 02:12:32.420 7 INFO nova.service [-] Starting conductor node (version 33.0.2)
2026-09-18 02:12:32.422 8 INFO nova.service [-] Starting conductor node (version 33.0.2)
2026-09-18 02:12:32.424 1 WARNING oslo_config.cfg [None req-01ecb4d6-2fb4-4528-bfe0-72220624c406 - - - - - -] 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.
2026-09-18 02:54:28.951 7 INFO nova.utils [None req-32185840-0073-4d84-a074-b896d94d5fc5 355935d72f374594b4553008171170c4 b6809477aa844022b6cea8d7dbfb4461 - - default default] The cell worker thread pool MainProcess.cell_worker is initialized
2026-09-18 02:54:29.036 7 WARNING oslo_config.cfg [None req-32185840-0073-4d84-a074-b896d94d5fc5 355935d72f374594b4553008171170c4 b6809477aa844022b6cea8d7dbfb4461 - - default default] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.
2026-09-18 02:54:29.109 7 INFO nova.compute.rpcapi [None req-040f924c-690b-45ff-878e-ee26fa310022 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-09-18 02:54:29.229 8 WARNING oslo_config.cfg [None req-32185840-0073-4d84-a074-b896d94d5fc5 355935d72f374594b4553008171170c4 b6809477aa844022b6cea8d7dbfb4461 - - default default] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.
2026-09-18 02:54:29.447 8 INFO nova.utils [None req-d63c567d-a69e-48cd-af7d-6abdf01d9e06 171732c080964ca392ee2a99c4931e26 318fd7fea83a44ff9110a6d181a92bfd - - default default] The cell worker thread pool MainProcess.cell_worker is initialized
2026-09-18 02:54:29.590 8 INFO nova.compute.rpcapi [None req-f3d02b10-2b46-420b-8828-300c389c4e35 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-09-18 02:54:34.780 8 ERROR nova.scheduler.utils [None req-d63c567d-a69e-48cd-af7d-6abdf01d9e06 171732c080964ca392ee2a99c4931e26 318fd7fea83a44ff9110a6d181a92bfd - - default default] [instance: dc37a2c2-f4aa-4e3a-8220-74195a7f3603] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 450, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 752, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4887, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8421, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1522, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 776, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 756, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance dc37a2c2-f4aa-4e3a-8220-74195a7f3603 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-18 02:54:34.781 8 WARNING nova.scheduler.utils [None req-d63c567d-a69e-48cd-af7d-6abdf01d9e06 171732c080964ca392ee2a99c4931e26 318fd7fea83a44ff9110a6d181a92bfd - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc37a2c2-f4aa-4e3a-8220-74195a7f3603.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc37a2c2-f4aa-4e3a-8220-74195a7f3603.
2026-09-18 02:54:34.782 8 WARNING nova.scheduler.utils [None req-d63c567d-a69e-48cd-af7d-6abdf01d9e06 171732c080964ca392ee2a99c4931e26 318fd7fea83a44ff9110a6d181a92bfd - - default default] [instance: dc37a2c2-f4aa-4e3a-8220-74195a7f3603] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc37a2c2-f4aa-4e3a-8220-74195a7f3603.
2026-09-18 02:54:34.900 8 WARNING neutronclient.v2_0.client [None req-d63c567d-a69e-48cd-af7d-6abdf01d9e06 171732c080964ca392ee2a99c4931e26 318fd7fea83a44ff9110a6d181a92bfd - - 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 dc37a2c2-f4aa-4e3a-8220-74195a7f3603.
2026-09-18 02:54:34.958 7 ERROR nova.scheduler.utils [None req-32185840-0073-4d84-a074-b896d94d5fc5 355935d72f374594b4553008171170c4 b6809477aa844022b6cea8d7dbfb4461 - - default default] [instance: 1624a53f-9ca4-41df-980d-4626e617bf72] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 450, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 752, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4887, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8421, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1522, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 776, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 756, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 1624a53f-9ca4-41df-980d-4626e617bf72 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-18 02:54:34.959 7 WARNING nova.scheduler.utils [None req-32185840-0073-4d84-a074-b896d94d5fc5 355935d72f374594b4553008171170c4 b6809477aa844022b6cea8d7dbfb4461 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1624a53f-9ca4-41df-980d-4626e617bf72.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1624a53f-9ca4-41df-980d-4626e617bf72.
2026-09-18 02:54:34.959 7 WARNING nova.scheduler.utils [None req-32185840-0073-4d84-a074-b896d94d5fc5 355935d72f374594b4553008171170c4 b6809477aa844022b6cea8d7dbfb4461 - - default default] [instance: 1624a53f-9ca4-41df-980d-4626e617bf72] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1624a53f-9ca4-41df-980d-4626e617bf72.
2026-09-18 02:54:35.145 7 WARNING neutronclient.v2_0.client [None req-32185840-0073-4d84-a074-b896d94d5fc5 355935d72f374594b4553008171170c4 b6809477aa844022b6cea8d7dbfb4461 - - 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 1624a53f-9ca4-41df-980d-4626e617bf72.
2026-09-18 02:54:35.778 7 WARNING neutronclient.v2_0.client [None req-32185840-0073-4d84-a074-b896d94d5fc5 355935d72f374594b4553008171170c4 b6809477aa844022b6cea8d7dbfb4461 - - 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 1624a53f-9ca4-41df-980d-4626e617bf72.
2026-09-18 02:54:35.779 8 WARNING neutronclient.v2_0.client [None req-d63c567d-a69e-48cd-af7d-6abdf01d9e06 171732c080964ca392ee2a99c4931e26 318fd7fea83a44ff9110a6d181a92bfd - - 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 dc37a2c2-f4aa-4e3a-8220-74195a7f3603.
2026-09-18 02:54:45.206 8 ERROR nova.scheduler.utils [None req-0da3845f-21f5-45ca-b191-38557f61791d 1dc037f1bcee4586b8bf7a180e70d6b0 ec887c58517c40db8a84805652f731dc - - default default] [instance: cfe2530d-8d2a-4c77-9396-150f8d035f68] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 450, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 752, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4887, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8421, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1522, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 776, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 756, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance cfe2530d-8d2a-4c77-9396-150f8d035f68 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-18 02:54:45.207 8 WARNING nova.scheduler.utils [None req-0da3845f-21f5-45ca-b191-38557f61791d 1dc037f1bcee4586b8bf7a180e70d6b0 ec887c58517c40db8a84805652f731dc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cfe2530d-8d2a-4c77-9396-150f8d035f68.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cfe2530d-8d2a-4c77-9396-150f8d035f68.
2026-09-18 02:54:45.207 8 WARNING nova.scheduler.utils [None req-0da3845f-21f5-45ca-b191-38557f61791d 1dc037f1bcee4586b8bf7a180e70d6b0 ec887c58517c40db8a84805652f731dc - - default default] [instance: cfe2530d-8d2a-4c77-9396-150f8d035f68] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cfe2530d-8d2a-4c77-9396-150f8d035f68.
2026-09-18 02:54:45.262 8 WARNING neutronclient.v2_0.client [None req-0da3845f-21f5-45ca-b191-38557f61791d 1dc037f1bcee4586b8bf7a180e70d6b0 ec887c58517c40db8a84805652f731dc - - 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 cfe2530d-8d2a-4c77-9396-150f8d035f68.
2026-09-18 02:54:45.569 8 WARNING neutronclient.v2_0.client [None req-0da3845f-21f5-45ca-b191-38557f61791d 1dc037f1bcee4586b8bf7a180e70d6b0 ec887c58517c40db8a84805652f731dc - - 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 cfe2530d-8d2a-4c77-9396-150f8d035f68.
2026-09-18 02:54:54.209 7 ERROR nova.scheduler.utils [None req-010c84ba-490a-4023-aa77-54ee665c33b8 1c0c5c828c1746148f89970ec7c53b46 ffb3d997e1524d93810e1f5439691cde - - default default] [instance: c4509764-c97e-42fc-a092-c0d63f8c9489] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 450, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 752, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4887, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8421, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1522, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 776, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 756, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance c4509764-c97e-42fc-a092-c0d63f8c9489 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-18 02:54:54.210 7 WARNING nova.scheduler.utils [None req-010c84ba-490a-4023-aa77-54ee665c33b8 1c0c5c828c1746148f89970ec7c53b46 ffb3d997e1524d93810e1f5439691cde - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c4509764-c97e-42fc-a092-c0d63f8c9489.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c4509764-c97e-42fc-a092-c0d63f8c9489.
2026-09-18 02:54:54.211 7 WARNING nova.scheduler.utils [None req-010c84ba-490a-4023-aa77-54ee665c33b8 1c0c5c828c1746148f89970ec7c53b46 ffb3d997e1524d93810e1f5439691cde - - default default] [instance: c4509764-c97e-42fc-a092-c0d63f8c9489] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c4509764-c97e-42fc-a092-c0d63f8c9489.
2026-09-18 02:54:54.292 7 WARNING neutronclient.v2_0.client [None req-010c84ba-490a-4023-aa77-54ee665c33b8 1c0c5c828c1746148f89970ec7c53b46 ffb3d997e1524d93810e1f5439691cde - - 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 c4509764-c97e-42fc-a092-c0d63f8c9489.
2026-09-18 02:54:54.343 7 WARNING neutronclient.v2_0.client [None req-010c84ba-490a-4023-aa77-54ee665c33b8 1c0c5c828c1746148f89970ec7c53b46 ffb3d997e1524d93810e1f5439691cde - - 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 c4509764-c97e-42fc-a092-c0d63f8c9489.
2026-09-18 02:55:02.348 7 ERROR nova.scheduler.utils [None req-7e7aad3f-5f2c-4134-996d-13116bf495ad f2d4e9918c5b4f26a1e25435c9f3d3b1 4206c738733948d39e690204ea267744 - - default default] [instance: 9f7eb8d3-11df-4f5c-9320-319eb9886945] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 450, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 752, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4887, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8421, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1522, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 776, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 756, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 9f7eb8d3-11df-4f5c-9320-319eb9886945 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-18 02:55:02.349 7 WARNING nova.scheduler.utils [None req-7e7aad3f-5f2c-4134-996d-13116bf495ad f2d4e9918c5b4f26a1e25435c9f3d3b1 4206c738733948d39e690204ea267744 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9f7eb8d3-11df-4f5c-9320-319eb9886945.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9f7eb8d3-11df-4f5c-9320-319eb9886945.
2026-09-18 02:55:02.349 7 WARNING nova.scheduler.utils [None req-7e7aad3f-5f2c-4134-996d-13116bf495ad f2d4e9918c5b4f26a1e25435c9f3d3b1 4206c738733948d39e690204ea267744 - - default default] [instance: 9f7eb8d3-11df-4f5c-9320-319eb9886945] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9f7eb8d3-11df-4f5c-9320-319eb9886945.
2026-09-18 02:55:02.396 7 WARNING neutronclient.v2_0.client [None req-7e7aad3f-5f2c-4134-996d-13116bf495ad f2d4e9918c5b4f26a1e25435c9f3d3b1 4206c738733948d39e690204ea267744 - - 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 9f7eb8d3-11df-4f5c-9320-319eb9886945.
2026-09-18 02:55:02.424 7 WARNING neutronclient.v2_0.client [None req-7e7aad3f-5f2c-4134-996d-13116bf495ad f2d4e9918c5b4f26a1e25435c9f3d3b1 4206c738733948d39e690204ea267744 - - 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 9f7eb8d3-11df-4f5c-9320-319eb9886945.
2026-09-18 02:55:19.517 7 ERROR nova.scheduler.utils [None req-cdc5d9e7-4104-44f5-a30c-29f88202821d 5f5d3f461565446784afacc087b54693 41fd7f3c695b45be9149eff18fad099a - - default default] [instance: 60d24e34-505e-4ea1-8c11-bfb9506048c3] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 450, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 752, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4887, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8421, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1522, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 776, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 756, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 60d24e34-505e-4ea1-8c11-bfb9506048c3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-18 02:55:19.518 7 WARNING nova.scheduler.utils [None req-cdc5d9e7-4104-44f5-a30c-29f88202821d 5f5d3f461565446784afacc087b54693 41fd7f3c695b45be9149eff18fad099a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 60d24e34-505e-4ea1-8c11-bfb9506048c3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 60d24e34-505e-4ea1-8c11-bfb9506048c3.
2026-09-18 02:55:19.519 7 WARNING nova.scheduler.utils [None req-cdc5d9e7-4104-44f5-a30c-29f88202821d 5f5d3f461565446784afacc087b54693 41fd7f3c695b45be9149eff18fad099a - - default default] [instance: 60d24e34-505e-4ea1-8c11-bfb9506048c3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 60d24e34-505e-4ea1-8c11-bfb9506048c3.
2026-09-18 02:55:19.579 7 WARNING neutronclient.v2_0.client [None req-cdc5d9e7-4104-44f5-a30c-29f88202821d 5f5d3f461565446784afacc087b54693 41fd7f3c695b45be9149eff18fad099a - - 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 60d24e34-505e-4ea1-8c11-bfb9506048c3.
2026-09-18 02:55:19.614 7 WARNING neutronclient.v2_0.client [None req-cdc5d9e7-4104-44f5-a30c-29f88202821d 5f5d3f461565446784afacc087b54693 41fd7f3c695b45be9149eff18fad099a - - 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 60d24e34-505e-4ea1-8c11-bfb9506048c3.
2026-09-18 02:55:55.805 8 ERROR nova.scheduler.utils [None req-081dd321-9436-44df-b75c-73a9316c3aa5 22aa61933b2b4aa98b8e25b7e3c02af3 5f97bc569aab4091848cf05677afe3f1 - - default default] [instance: 105ac3c0-9dab-4066-b282-39e9890397d8] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 450, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 752, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4887, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8421, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1522, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 776, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 756, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 105ac3c0-9dab-4066-b282-39e9890397d8 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-18 02:55:55.806 8 WARNING nova.scheduler.utils [None req-081dd321-9436-44df-b75c-73a9316c3aa5 22aa61933b2b4aa98b8e25b7e3c02af3 5f97bc569aab4091848cf05677afe3f1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 105ac3c0-9dab-4066-b282-39e9890397d8.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 105ac3c0-9dab-4066-b282-39e9890397d8.
2026-09-18 02:55:55.806 8 WARNING nova.scheduler.utils [None req-081dd321-9436-44df-b75c-73a9316c3aa5 22aa61933b2b4aa98b8e25b7e3c02af3 5f97bc569aab4091848cf05677afe3f1 - - default default] [instance: 105ac3c0-9dab-4066-b282-39e9890397d8] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 105ac3c0-9dab-4066-b282-39e9890397d8.
2026-09-18 02:55:55.873 8 WARNING neutronclient.v2_0.client [None req-081dd321-9436-44df-b75c-73a9316c3aa5 22aa61933b2b4aa98b8e25b7e3c02af3 5f97bc569aab4091848cf05677afe3f1 - - 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 105ac3c0-9dab-4066-b282-39e9890397d8.
2026-09-18 02:55:55.934 8 WARNING neutronclient.v2_0.client [None req-081dd321-9436-44df-b75c-73a9316c3aa5 22aa61933b2b4aa98b8e25b7e3c02af3 5f97bc569aab4091848cf05677afe3f1 - - 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 105ac3c0-9dab-4066-b282-39e9890397d8.
2026-09-18 02:55:58.099 7 ERROR nova.scheduler.utils [None req-f7c79f25-78f1-44af-a9ac-ee3f8d4eb7c6 a1336aa4e22342ca8e7384a5738c9f91 4d3eb8d0cba14714be2aa9eb8eac7106 - - default default] [instance: 6827b5ab-6f34-4cab-a631-311a1fffac6f] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 450, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 752, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4887, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8421, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1522, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 776, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 756, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 6827b5ab-6f34-4cab-a631-311a1fffac6f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-18 02:55:58.100 7 WARNING nova.scheduler.utils [None req-f7c79f25-78f1-44af-a9ac-ee3f8d4eb7c6 a1336aa4e22342ca8e7384a5738c9f91 4d3eb8d0cba14714be2aa9eb8eac7106 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6827b5ab-6f34-4cab-a631-311a1fffac6f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6827b5ab-6f34-4cab-a631-311a1fffac6f.
2026-09-18 02:55:58.101 7 WARNING nova.scheduler.utils [None req-f7c79f25-78f1-44af-a9ac-ee3f8d4eb7c6 a1336aa4e22342ca8e7384a5738c9f91 4d3eb8d0cba14714be2aa9eb8eac7106 - - default default] [instance: 6827b5ab-6f34-4cab-a631-311a1fffac6f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6827b5ab-6f34-4cab-a631-311a1fffac6f.
2026-09-18 02:55:58.160 7 WARNING neutronclient.v2_0.client [None req-f7c79f25-78f1-44af-a9ac-ee3f8d4eb7c6 a1336aa4e22342ca8e7384a5738c9f91 4d3eb8d0cba14714be2aa9eb8eac7106 - - 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 6827b5ab-6f34-4cab-a631-311a1fffac6f.
2026-09-18 02:55:58.892 7 WARNING neutronclient.v2_0.client [None req-f7c79f25-78f1-44af-a9ac-ee3f8d4eb7c6 a1336aa4e22342ca8e7384a5738c9f91 4d3eb8d0cba14714be2aa9eb8eac7106 - - 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 6827b5ab-6f34-4cab-a631-311a1fffac6f.
2026-09-18 02:56:23.549 7 ERROR nova.scheduler.utils [None req-cb89c707-55f1-40b3-852e-a5848c6f38c5 9957a74522a34c808a25ec4bc3acf095 748cd410eb294833bc72eddabafbf9aa - - default default] [instance: 1fac68db-6be6-407d-8c09-623716061d36] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 450, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 752, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4887, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8421, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1522, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 776, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 756, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 1fac68db-6be6-407d-8c09-623716061d36 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-18 02:56:23.550 7 WARNING nova.scheduler.utils [None req-cb89c707-55f1-40b3-852e-a5848c6f38c5 9957a74522a34c808a25ec4bc3acf095 748cd410eb294833bc72eddabafbf9aa - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1fac68db-6be6-407d-8c09-623716061d36.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1fac68db-6be6-407d-8c09-623716061d36.
2026-09-18 02:56:23.551 7 WARNING nova.scheduler.utils [None req-cb89c707-55f1-40b3-852e-a5848c6f38c5 9957a74522a34c808a25ec4bc3acf095 748cd410eb294833bc72eddabafbf9aa - - default default] [instance: 1fac68db-6be6-407d-8c09-623716061d36] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1fac68db-6be6-407d-8c09-623716061d36.
2026-09-18 02:56:23.595 7 WARNING neutronclient.v2_0.client [None req-cb89c707-55f1-40b3-852e-a5848c6f38c5 9957a74522a34c808a25ec4bc3acf095 748cd410eb294833bc72eddabafbf9aa - - 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 1fac68db-6be6-407d-8c09-623716061d36.
2026-09-18 02:56:23.642 7 WARNING neutronclient.v2_0.client [None req-cb89c707-55f1-40b3-852e-a5848c6f38c5 9957a74522a34c808a25ec4bc3acf095 748cd410eb294833bc72eddabafbf9aa - - 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 1fac68db-6be6-407d-8c09-623716061d36.
2026-09-18 02:57:45.599 8 ERROR nova.scheduler.utils [None req-d9abaab0-1608-4d28-b58e-3e2857662f26 f4efc80ba593428bb57502c884e07f08 fbaeb410dd684b128ea1afe75ef12ffb - - default default] [instance: d3376857-a6be-4140-b2d8-8014023df854] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 450, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 752, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2821, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4887, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8447, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8421, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1522, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 776, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 756, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2636, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2929, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d3376857-a6be-4140-b2d8-8014023df854 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-18 02:57:45.601 8 WARNING nova.scheduler.utils [None req-d9abaab0-1608-4d28-b58e-3e2857662f26 f4efc80ba593428bb57502c884e07f08 fbaeb410dd684b128ea1afe75ef12ffb - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d3376857-a6be-4140-b2d8-8014023df854.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d3376857-a6be-4140-b2d8-8014023df854.
2026-09-18 02:57:45.604 8 WARNING nova.scheduler.utils [None req-d9abaab0-1608-4d28-b58e-3e2857662f26 f4efc80ba593428bb57502c884e07f08 fbaeb410dd684b128ea1afe75ef12ffb - - default default] [instance: d3376857-a6be-4140-b2d8-8014023df854] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d3376857-a6be-4140-b2d8-8014023df854.
2026-09-18 02:57:45.676 8 WARNING neutronclient.v2_0.client [None req-d9abaab0-1608-4d28-b58e-3e2857662f26 f4efc80ba593428bb57502c884e07f08 fbaeb410dd684b128ea1afe75ef12ffb - - 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 d3376857-a6be-4140-b2d8-8014023df854.
2026-09-18 02:57:45.745 8 WARNING neutronclient.v2_0.client [None req-d9abaab0-1608-4d28-b58e-3e2857662f26 f4efc80ba593428bb57502c884e07f08 fbaeb410dd684b128ea1afe75ef12ffb - - 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 d3376857-a6be-4140-b2d8-8014023df854.