+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-09 06:10:54.594 1 INFO nova.utils [None req-29384a5b-630b-444d-a4b7-6968dc4c44e5 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-09 06:10:54.739 1 INFO nova.utils [None req-29384a5b-630b-444d-a4b7-6968dc4c44e5 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-09 06:10:55.739 1 INFO nova.utils [None req-29384a5b-630b-444d-a4b7-6968dc4c44e5 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-09 06:10:55.742 1 WARNING oslo_service.backend._threading.service [None req-29384a5b-630b-444d-a4b7-6968dc4c44e5 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-09 06:10:55.749 1 WARNING oslo_config.cfg [None req-29384a5b-630b-444d-a4b7-6968dc4c44e5 - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.
2026-07-09 06:10:55.797 9 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-09 06:10:55.812 11 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-09 06:50:35.179 11 INFO nova.utils [None req-e350edd6-9e6d-47aa-a9ef-c945510a814f 1c1e8bea8a474709a0e4f0a58a689683 74001af0b2af43a7a5b8f0cfe6c5519b - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-09 06:50:35.414 11 INFO nova.compute.rpcapi [None req-869af3b8-5aea-447f-9d65-d0ab39c3c32b - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-09 06:50:56.709 11 ERROR nova.scheduler.utils [None req-e350edd6-9e6d-47aa-a9ef-c945510a814f 1c1e8bea8a474709a0e4f0a58a689683 74001af0b2af43a7a5b8f0cfe6c5519b - - default default] [instance: 13d83590-9d9f-45bd-87a6-97b867e89e43] 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 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 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 13d83590-9d9f-45bd-87a6-97b867e89e43 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 06:50:56.710 11 WARNING nova.scheduler.utils [None req-e350edd6-9e6d-47aa-a9ef-c945510a814f 1c1e8bea8a474709a0e4f0a58a689683 74001af0b2af43a7a5b8f0cfe6c5519b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 13d83590-9d9f-45bd-87a6-97b867e89e43.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 13d83590-9d9f-45bd-87a6-97b867e89e43.
2026-07-09 06:50:56.710 11 WARNING nova.scheduler.utils [None req-e350edd6-9e6d-47aa-a9ef-c945510a814f 1c1e8bea8a474709a0e4f0a58a689683 74001af0b2af43a7a5b8f0cfe6c5519b - - default default] [instance: 13d83590-9d9f-45bd-87a6-97b867e89e43] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 13d83590-9d9f-45bd-87a6-97b867e89e43.
2026-07-09 06:50:56.822 11 WARNING neutronclient.v2_0.client [None req-e350edd6-9e6d-47aa-a9ef-c945510a814f 1c1e8bea8a474709a0e4f0a58a689683 74001af0b2af43a7a5b8f0cfe6c5519b - - 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 13d83590-9d9f-45bd-87a6-97b867e89e43.
2026-07-09 06:50:57.310 11 WARNING neutronclient.v2_0.client [None req-e350edd6-9e6d-47aa-a9ef-c945510a814f 1c1e8bea8a474709a0e4f0a58a689683 74001af0b2af43a7a5b8f0cfe6c5519b - - 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 13d83590-9d9f-45bd-87a6-97b867e89e43.
2026-07-09 06:51:03.402 9 ERROR nova.scheduler.utils [None req-2099a57c-a6ea-413c-b13b-10a82bd52332 24c4bc994eec43ee9e704c660d703cab 3574ae02da0341b997b3601d2ac13953 - - default default] [instance: 46b1f092-ba50-4159-8f31-11f04fcbca5d] 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 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 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 46b1f092-ba50-4159-8f31-11f04fcbca5d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 06:51:03.404 9 WARNING nova.scheduler.utils [None req-2099a57c-a6ea-413c-b13b-10a82bd52332 24c4bc994eec43ee9e704c660d703cab 3574ae02da0341b997b3601d2ac13953 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 46b1f092-ba50-4159-8f31-11f04fcbca5d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 46b1f092-ba50-4159-8f31-11f04fcbca5d.
2026-07-09 06:51:03.404 9 WARNING nova.scheduler.utils [None req-2099a57c-a6ea-413c-b13b-10a82bd52332 24c4bc994eec43ee9e704c660d703cab 3574ae02da0341b997b3601d2ac13953 - - default default] [instance: 46b1f092-ba50-4159-8f31-11f04fcbca5d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 46b1f092-ba50-4159-8f31-11f04fcbca5d.
2026-07-09 06:51:03.493 9 WARNING neutronclient.v2_0.client [None req-2099a57c-a6ea-413c-b13b-10a82bd52332 24c4bc994eec43ee9e704c660d703cab 3574ae02da0341b997b3601d2ac13953 - - 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 46b1f092-ba50-4159-8f31-11f04fcbca5d.
2026-07-09 06:51:04.088 9 WARNING neutronclient.v2_0.client [None req-2099a57c-a6ea-413c-b13b-10a82bd52332 24c4bc994eec43ee9e704c660d703cab 3574ae02da0341b997b3601d2ac13953 - - 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 46b1f092-ba50-4159-8f31-11f04fcbca5d.
2026-07-09 06:51:04.927 9 ERROR nova.scheduler.utils [None req-e78fea25-63c5-4848-8657-690977e2a9de 5c6cd2acb73d439e9c145c3f1165558f 3dc21984bdc048a8b609c85455abae1b - - default default] [instance: 6b623af6-f80f-45db-ab71-ecd677f04c27] 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 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 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 6b623af6-f80f-45db-ab71-ecd677f04c27 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 06:51:04.930 9 WARNING nova.scheduler.utils [None req-e78fea25-63c5-4848-8657-690977e2a9de 5c6cd2acb73d439e9c145c3f1165558f 3dc21984bdc048a8b609c85455abae1b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6b623af6-f80f-45db-ab71-ecd677f04c27.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6b623af6-f80f-45db-ab71-ecd677f04c27.
2026-07-09 06:51:04.932 9 WARNING nova.scheduler.utils [None req-e78fea25-63c5-4848-8657-690977e2a9de 5c6cd2acb73d439e9c145c3f1165558f 3dc21984bdc048a8b609c85455abae1b - - default default] [instance: 6b623af6-f80f-45db-ab71-ecd677f04c27] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6b623af6-f80f-45db-ab71-ecd677f04c27.
2026-07-09 06:51:04.975 9 WARNING neutronclient.v2_0.client [None req-e78fea25-63c5-4848-8657-690977e2a9de 5c6cd2acb73d439e9c145c3f1165558f 3dc21984bdc048a8b609c85455abae1b - - 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 6b623af6-f80f-45db-ab71-ecd677f04c27.
2026-07-09 06:51:05.872 9 WARNING neutronclient.v2_0.client [None req-e78fea25-63c5-4848-8657-690977e2a9de 5c6cd2acb73d439e9c145c3f1165558f 3dc21984bdc048a8b609c85455abae1b - - 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 6b623af6-f80f-45db-ab71-ecd677f04c27.
2026-07-09 06:51:12.722 9 INFO nova.utils [None req-fd58b0d0-2796-4a6a-a1dc-5e902fb4a32b 143b66fc2bb846bd925f999e8dc287c9 63ca92665a3446e2aa9f01f2d48b5c7e - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-09 06:51:12.889 9 INFO nova.compute.rpcapi [None req-915a9965-4299-4fee-8ea0-be35e3332254 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-09 06:51:27.886 11 ERROR nova.scheduler.utils [None req-fd58b0d0-2796-4a6a-a1dc-5e902fb4a32b 143b66fc2bb846bd925f999e8dc287c9 63ca92665a3446e2aa9f01f2d48b5c7e - - default default] [instance: 42f17312-a711-464c-93ac-42296a9c6c44] 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 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 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 42f17312-a711-464c-93ac-42296a9c6c44 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 06:51:27.888 11 WARNING nova.scheduler.utils [None req-fd58b0d0-2796-4a6a-a1dc-5e902fb4a32b 143b66fc2bb846bd925f999e8dc287c9 63ca92665a3446e2aa9f01f2d48b5c7e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 42f17312-a711-464c-93ac-42296a9c6c44.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 42f17312-a711-464c-93ac-42296a9c6c44.
2026-07-09 06:51:27.889 11 WARNING nova.scheduler.utils [None req-fd58b0d0-2796-4a6a-a1dc-5e902fb4a32b 143b66fc2bb846bd925f999e8dc287c9 63ca92665a3446e2aa9f01f2d48b5c7e - - default default] [instance: 42f17312-a711-464c-93ac-42296a9c6c44] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 42f17312-a711-464c-93ac-42296a9c6c44.
2026-07-09 06:51:27.938 11 WARNING neutronclient.v2_0.client [None req-fd58b0d0-2796-4a6a-a1dc-5e902fb4a32b 143b66fc2bb846bd925f999e8dc287c9 63ca92665a3446e2aa9f01f2d48b5c7e - - 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 42f17312-a711-464c-93ac-42296a9c6c44.
2026-07-09 06:51:27.966 11 WARNING neutronclient.v2_0.client [None req-fd58b0d0-2796-4a6a-a1dc-5e902fb4a32b 143b66fc2bb846bd925f999e8dc287c9 63ca92665a3446e2aa9f01f2d48b5c7e - - 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 42f17312-a711-464c-93ac-42296a9c6c44.
2026-07-09 06:51:46.113 9 ERROR nova.scheduler.utils [None req-f8aed194-343a-4e48-831d-d3c5cc9a1f00 44d57495ee264467939af6d39200b739 405ce3b198214eacaff684eb8d8f68fd - - default default] [instance: 79c576cf-a30a-48e1-b7a4-180022fc2f46] 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 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 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 79c576cf-a30a-48e1-b7a4-180022fc2f46 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 06:51:46.114 9 WARNING nova.scheduler.utils [None req-f8aed194-343a-4e48-831d-d3c5cc9a1f00 44d57495ee264467939af6d39200b739 405ce3b198214eacaff684eb8d8f68fd - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 79c576cf-a30a-48e1-b7a4-180022fc2f46.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 79c576cf-a30a-48e1-b7a4-180022fc2f46.
2026-07-09 06:51:46.114 9 WARNING nova.scheduler.utils [None req-f8aed194-343a-4e48-831d-d3c5cc9a1f00 44d57495ee264467939af6d39200b739 405ce3b198214eacaff684eb8d8f68fd - - default default] [instance: 79c576cf-a30a-48e1-b7a4-180022fc2f46] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 79c576cf-a30a-48e1-b7a4-180022fc2f46.
2026-07-09 06:51:46.170 9 WARNING neutronclient.v2_0.client [None req-f8aed194-343a-4e48-831d-d3c5cc9a1f00 44d57495ee264467939af6d39200b739 405ce3b198214eacaff684eb8d8f68fd - - 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 79c576cf-a30a-48e1-b7a4-180022fc2f46.
2026-07-09 06:51:46.375 9 WARNING neutronclient.v2_0.client [None req-f8aed194-343a-4e48-831d-d3c5cc9a1f00 44d57495ee264467939af6d39200b739 405ce3b198214eacaff684eb8d8f68fd - - 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 79c576cf-a30a-48e1-b7a4-180022fc2f46.
2026-07-09 06:52:02.117 11 ERROR nova.scheduler.utils [None req-f3b012f6-ffac-49a9-8e16-6fbb7b9752a6 b7aea828353c473f81529970283fc44d 12f74f68b55245bc90fcedfc037ad70d - - default default] [instance: 6b44a450-996d-4684-bfae-26fa9c87f2a7] 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 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 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 6b44a450-996d-4684-bfae-26fa9c87f2a7 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 06:52:02.118 11 WARNING nova.scheduler.utils [None req-f3b012f6-ffac-49a9-8e16-6fbb7b9752a6 b7aea828353c473f81529970283fc44d 12f74f68b55245bc90fcedfc037ad70d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6b44a450-996d-4684-bfae-26fa9c87f2a7.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6b44a450-996d-4684-bfae-26fa9c87f2a7.
2026-07-09 06:52:02.118 11 WARNING nova.scheduler.utils [None req-f3b012f6-ffac-49a9-8e16-6fbb7b9752a6 b7aea828353c473f81529970283fc44d 12f74f68b55245bc90fcedfc037ad70d - - default default] [instance: 6b44a450-996d-4684-bfae-26fa9c87f2a7] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6b44a450-996d-4684-bfae-26fa9c87f2a7.
2026-07-09 06:52:02.156 11 WARNING neutronclient.v2_0.client [None req-f3b012f6-ffac-49a9-8e16-6fbb7b9752a6 b7aea828353c473f81529970283fc44d 12f74f68b55245bc90fcedfc037ad70d - - 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 6b44a450-996d-4684-bfae-26fa9c87f2a7.
2026-07-09 06:52:02.711 11 WARNING neutronclient.v2_0.client [None req-f3b012f6-ffac-49a9-8e16-6fbb7b9752a6 b7aea828353c473f81529970283fc44d 12f74f68b55245bc90fcedfc037ad70d - - 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 6b44a450-996d-4684-bfae-26fa9c87f2a7.
2026-07-09 06:52:23.375 9 ERROR nova.scheduler.utils [None req-72d113fe-b7f2-42f4-9c01-5541518efa73 5828a1fdcedf4d3290aea7a9fb14be99 7fc09ae4b90c4755bce0c9d4f322a763 - - default default] [instance: 4745f1b5-0740-4b2d-9a90-0543a3580ee5] 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 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 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 4745f1b5-0740-4b2d-9a90-0543a3580ee5 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 06:52:23.376 9 WARNING nova.scheduler.utils [None req-72d113fe-b7f2-42f4-9c01-5541518efa73 5828a1fdcedf4d3290aea7a9fb14be99 7fc09ae4b90c4755bce0c9d4f322a763 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4745f1b5-0740-4b2d-9a90-0543a3580ee5.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4745f1b5-0740-4b2d-9a90-0543a3580ee5.
2026-07-09 06:52:23.377 9 WARNING nova.scheduler.utils [None req-72d113fe-b7f2-42f4-9c01-5541518efa73 5828a1fdcedf4d3290aea7a9fb14be99 7fc09ae4b90c4755bce0c9d4f322a763 - - default default] [instance: 4745f1b5-0740-4b2d-9a90-0543a3580ee5] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4745f1b5-0740-4b2d-9a90-0543a3580ee5.
2026-07-09 06:52:23.428 9 WARNING neutronclient.v2_0.client [None req-72d113fe-b7f2-42f4-9c01-5541518efa73 5828a1fdcedf4d3290aea7a9fb14be99 7fc09ae4b90c4755bce0c9d4f322a763 - - 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 4745f1b5-0740-4b2d-9a90-0543a3580ee5.
2026-07-09 06:52:23.720 9 WARNING neutronclient.v2_0.client [None req-72d113fe-b7f2-42f4-9c01-5541518efa73 5828a1fdcedf4d3290aea7a9fb14be99 7fc09ae4b90c4755bce0c9d4f322a763 - - 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 4745f1b5-0740-4b2d-9a90-0543a3580ee5.
2026-07-09 06:52:52.599 11 ERROR nova.scheduler.utils [None req-7dc397e6-6f98-4366-ae9f-98e89f5329b6 f94a26a6183d4c449e548d9fdff6dd50 d5a8945a65b0479e92ce91849b3ca86e - - default default] [instance: faac510a-71fd-4c8d-aad4-6b5158167a74] 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 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 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 faac510a-71fd-4c8d-aad4-6b5158167a74 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 06:52:52.601 11 WARNING nova.scheduler.utils [None req-7dc397e6-6f98-4366-ae9f-98e89f5329b6 f94a26a6183d4c449e548d9fdff6dd50 d5a8945a65b0479e92ce91849b3ca86e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance faac510a-71fd-4c8d-aad4-6b5158167a74.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance faac510a-71fd-4c8d-aad4-6b5158167a74.
2026-07-09 06:52:52.601 11 WARNING nova.scheduler.utils [None req-7dc397e6-6f98-4366-ae9f-98e89f5329b6 f94a26a6183d4c449e548d9fdff6dd50 d5a8945a65b0479e92ce91849b3ca86e - - default default] [instance: faac510a-71fd-4c8d-aad4-6b5158167a74] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance faac510a-71fd-4c8d-aad4-6b5158167a74.
2026-07-09 06:52:52.648 11 WARNING neutronclient.v2_0.client [None req-7dc397e6-6f98-4366-ae9f-98e89f5329b6 f94a26a6183d4c449e548d9fdff6dd50 d5a8945a65b0479e92ce91849b3ca86e - - 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 faac510a-71fd-4c8d-aad4-6b5158167a74.
2026-07-09 06:52:52.676 11 WARNING neutronclient.v2_0.client [None req-7dc397e6-6f98-4366-ae9f-98e89f5329b6 f94a26a6183d4c449e548d9fdff6dd50 d5a8945a65b0479e92ce91849b3ca86e - - 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 faac510a-71fd-4c8d-aad4-6b5158167a74.
2026-07-09 06:53:42.305 9 ERROR nova.scheduler.utils [None req-bf59bb2c-2f05-4bb2-9648-fc621485f987 49293195819a4807ace1fa17cb454c0f 3d32abf788724a93a859ace74b0d9ad5 - - default default] [instance: 946ab825-ccde-45e1-8414-fc10b79736a0] 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 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 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 946ab825-ccde-45e1-8414-fc10b79736a0 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 06:53:42.306 9 WARNING nova.scheduler.utils [None req-bf59bb2c-2f05-4bb2-9648-fc621485f987 49293195819a4807ace1fa17cb454c0f 3d32abf788724a93a859ace74b0d9ad5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 946ab825-ccde-45e1-8414-fc10b79736a0.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 946ab825-ccde-45e1-8414-fc10b79736a0.
2026-07-09 06:53:42.306 9 WARNING nova.scheduler.utils [None req-bf59bb2c-2f05-4bb2-9648-fc621485f987 49293195819a4807ace1fa17cb454c0f 3d32abf788724a93a859ace74b0d9ad5 - - default default] [instance: 946ab825-ccde-45e1-8414-fc10b79736a0] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 946ab825-ccde-45e1-8414-fc10b79736a0.
2026-07-09 06:53:42.375 9 WARNING neutronclient.v2_0.client [None req-bf59bb2c-2f05-4bb2-9648-fc621485f987 49293195819a4807ace1fa17cb454c0f 3d32abf788724a93a859ace74b0d9ad5 - - 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 946ab825-ccde-45e1-8414-fc10b79736a0.
2026-07-09 06:53:42.423 9 WARNING neutronclient.v2_0.client [None req-bf59bb2c-2f05-4bb2-9648-fc621485f987 49293195819a4807ace1fa17cb454c0f 3d32abf788724a93a859ace74b0d9ad5 - - 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 946ab825-ccde-45e1-8414-fc10b79736a0.
2026-07-09 06:55:46.881 11 ERROR nova.scheduler.utils [None req-aa7819ce-a164-48e5-95f0-693af7a892d8 684e597d356747a183b41d2eb23036e5 e45555c771d7461899dd6503c252701c - - default default] [instance: 521afd11-4fd0-446e-b0d7-882f1188dee0] 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 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 4879, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 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 521afd11-4fd0-446e-b0d7-882f1188dee0 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-09 06:55:46.881 11 WARNING nova.scheduler.utils [None req-aa7819ce-a164-48e5-95f0-693af7a892d8 684e597d356747a183b41d2eb23036e5 e45555c771d7461899dd6503c252701c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 521afd11-4fd0-446e-b0d7-882f1188dee0.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 521afd11-4fd0-446e-b0d7-882f1188dee0.
2026-07-09 06:55:46.882 11 WARNING nova.scheduler.utils [None req-aa7819ce-a164-48e5-95f0-693af7a892d8 684e597d356747a183b41d2eb23036e5 e45555c771d7461899dd6503c252701c - - default default] [instance: 521afd11-4fd0-446e-b0d7-882f1188dee0] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 521afd11-4fd0-446e-b0d7-882f1188dee0.
2026-07-09 06:55:47.120 11 WARNING neutronclient.v2_0.client [None req-aa7819ce-a164-48e5-95f0-693af7a892d8 684e597d356747a183b41d2eb23036e5 e45555c771d7461899dd6503c252701c - - 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 521afd11-4fd0-446e-b0d7-882f1188dee0.
2026-07-09 06:55:47.154 11 WARNING neutronclient.v2_0.client [None req-aa7819ce-a164-48e5-95f0-693af7a892d8 684e597d356747a183b41d2eb23036e5 e45555c771d7461899dd6503c252701c - - 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 521afd11-4fd0-446e-b0d7-882f1188dee0.