+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-16 00:54:21.949 1 INFO nova.utils [None req-d34266bb-da8d-4f2e-9281-35020403ec3d - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-16 00:54:22.111 1 INFO nova.utils [None req-d34266bb-da8d-4f2e-9281-35020403ec3d - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-16 00:54:23.111 1 INFO nova.utils [None req-d34266bb-da8d-4f2e-9281-35020403ec3d - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-16 00:54:23.114 1 WARNING oslo_service.backend._threading.service [None req-d34266bb-da8d-4f2e-9281-35020403ec3d - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-16 00:54:23.125 1 WARNING oslo_config.cfg [None req-d34266bb-da8d-4f2e-9281-35020403ec3d - - - - - -] 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.
2026-07-16 00:54:23.170 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-16 00:54:23.182 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-16 01:32:30.403 12 INFO nova.utils [None req-5c92d705-ed5e-4580-88e5-f31f636fe64b a07efca7b6294f60b14f82151346f1b0 4d010433523e4048bfc01efaf05e0ded - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-16 01:32:30.570 12 INFO nova.compute.rpcapi [None req-0af67872-7967-4bbd-9e14-3de0c1f85660 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-16 01:32:45.629 10 INFO nova.utils [None req-7ce861cc-b41f-45a4-823a-0fbb5fddc4f7 128935627b33467492c288da7e0c5c18 c54ec8366e3f406a96335e3e224c7ca9 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-16 01:32:45.843 10 INFO nova.compute.rpcapi [None req-c0f79faf-5a1a-408c-ab53-cf39567d2372 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-16 01:32:46.794 10 ERROR nova.scheduler.utils [None req-5c92d705-ed5e-4580-88e5-f31f636fe64b a07efca7b6294f60b14f82151346f1b0 4d010433523e4048bfc01efaf05e0ded - - default default] [instance: ce48c672-c840-484c-a729-72d79780d37c] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance ce48c672-c840-484c-a729-72d79780d37c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:32:46.795 10 WARNING nova.scheduler.utils [None req-5c92d705-ed5e-4580-88e5-f31f636fe64b a07efca7b6294f60b14f82151346f1b0 4d010433523e4048bfc01efaf05e0ded - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ce48c672-c840-484c-a729-72d79780d37c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ce48c672-c840-484c-a729-72d79780d37c.
2026-07-16 01:32:46.795 10 WARNING nova.scheduler.utils [None req-5c92d705-ed5e-4580-88e5-f31f636fe64b a07efca7b6294f60b14f82151346f1b0 4d010433523e4048bfc01efaf05e0ded - - default default] [instance: ce48c672-c840-484c-a729-72d79780d37c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ce48c672-c840-484c-a729-72d79780d37c.
2026-07-16 01:32:46.895 10 WARNING neutronclient.v2_0.client [None req-5c92d705-ed5e-4580-88e5-f31f636fe64b a07efca7b6294f60b14f82151346f1b0 4d010433523e4048bfc01efaf05e0ded - - 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 ce48c672-c840-484c-a729-72d79780d37c.
2026-07-16 01:32:47.305 10 WARNING neutronclient.v2_0.client [None req-5c92d705-ed5e-4580-88e5-f31f636fe64b a07efca7b6294f60b14f82151346f1b0 4d010433523e4048bfc01efaf05e0ded - - 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 ce48c672-c840-484c-a729-72d79780d37c.
2026-07-16 01:33:00.915 10 ERROR nova.scheduler.utils [None req-fbb3800a-5a33-464d-8242-4a73920f8467 291953755fc0410eb5942ef5b75a7f04 2f046873d910406fa569b1b34dd6aa10 - - default default] [instance: a6a74949-528e-4a01-b6df-8c8ea9731e4c] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance a6a74949-528e-4a01-b6df-8c8ea9731e4c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:33:00.916 10 WARNING nova.scheduler.utils [None req-fbb3800a-5a33-464d-8242-4a73920f8467 291953755fc0410eb5942ef5b75a7f04 2f046873d910406fa569b1b34dd6aa10 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a6a74949-528e-4a01-b6df-8c8ea9731e4c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a6a74949-528e-4a01-b6df-8c8ea9731e4c.
2026-07-16 01:33:00.917 10 WARNING nova.scheduler.utils [None req-fbb3800a-5a33-464d-8242-4a73920f8467 291953755fc0410eb5942ef5b75a7f04 2f046873d910406fa569b1b34dd6aa10 - - default default] [instance: a6a74949-528e-4a01-b6df-8c8ea9731e4c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a6a74949-528e-4a01-b6df-8c8ea9731e4c.
2026-07-16 01:33:00.974 10 WARNING neutronclient.v2_0.client [None req-fbb3800a-5a33-464d-8242-4a73920f8467 291953755fc0410eb5942ef5b75a7f04 2f046873d910406fa569b1b34dd6aa10 - - 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 a6a74949-528e-4a01-b6df-8c8ea9731e4c.
2026-07-16 01:33:01.013 10 WARNING neutronclient.v2_0.client [None req-fbb3800a-5a33-464d-8242-4a73920f8467 291953755fc0410eb5942ef5b75a7f04 2f046873d910406fa569b1b34dd6aa10 - - 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 a6a74949-528e-4a01-b6df-8c8ea9731e4c.
2026-07-16 01:33:02.264 12 ERROR nova.scheduler.utils [None req-7ce861cc-b41f-45a4-823a-0fbb5fddc4f7 128935627b33467492c288da7e0c5c18 c54ec8366e3f406a96335e3e224c7ca9 - - default default] [instance: 8e13f65d-ec09-4285-8135-33811e941b83] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 8e13f65d-ec09-4285-8135-33811e941b83 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:33:02.265 12 WARNING nova.scheduler.utils [None req-7ce861cc-b41f-45a4-823a-0fbb5fddc4f7 128935627b33467492c288da7e0c5c18 c54ec8366e3f406a96335e3e224c7ca9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8e13f65d-ec09-4285-8135-33811e941b83.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8e13f65d-ec09-4285-8135-33811e941b83.
2026-07-16 01:33:02.265 12 WARNING nova.scheduler.utils [None req-7ce861cc-b41f-45a4-823a-0fbb5fddc4f7 128935627b33467492c288da7e0c5c18 c54ec8366e3f406a96335e3e224c7ca9 - - default default] [instance: 8e13f65d-ec09-4285-8135-33811e941b83] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8e13f65d-ec09-4285-8135-33811e941b83.
2026-07-16 01:33:02.347 12 WARNING neutronclient.v2_0.client [None req-7ce861cc-b41f-45a4-823a-0fbb5fddc4f7 128935627b33467492c288da7e0c5c18 c54ec8366e3f406a96335e3e224c7ca9 - - 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 8e13f65d-ec09-4285-8135-33811e941b83.
2026-07-16 01:33:02.922 12 WARNING neutronclient.v2_0.client [None req-7ce861cc-b41f-45a4-823a-0fbb5fddc4f7 128935627b33467492c288da7e0c5c18 c54ec8366e3f406a96335e3e224c7ca9 - - 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 8e13f65d-ec09-4285-8135-33811e941b83.
2026-07-16 01:33:15.382 10 ERROR nova.scheduler.utils [None req-863a037d-d70d-4042-956c-c790192b1068 5f18385c67b94d7ca28881e08452cfb8 fad8897d0d8c417f87aeac4fe0f1d3fb - - default default] [instance: a8122b1e-0c32-49f2-bc99-a4e3812c5f6b] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance a8122b1e-0c32-49f2-bc99-a4e3812c5f6b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:33:15.383 10 WARNING nova.scheduler.utils [None req-863a037d-d70d-4042-956c-c790192b1068 5f18385c67b94d7ca28881e08452cfb8 fad8897d0d8c417f87aeac4fe0f1d3fb - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a8122b1e-0c32-49f2-bc99-a4e3812c5f6b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a8122b1e-0c32-49f2-bc99-a4e3812c5f6b.
2026-07-16 01:33:15.383 10 WARNING nova.scheduler.utils [None req-863a037d-d70d-4042-956c-c790192b1068 5f18385c67b94d7ca28881e08452cfb8 fad8897d0d8c417f87aeac4fe0f1d3fb - - default default] [instance: a8122b1e-0c32-49f2-bc99-a4e3812c5f6b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a8122b1e-0c32-49f2-bc99-a4e3812c5f6b.
2026-07-16 01:33:15.422 10 WARNING neutronclient.v2_0.client [None req-863a037d-d70d-4042-956c-c790192b1068 5f18385c67b94d7ca28881e08452cfb8 fad8897d0d8c417f87aeac4fe0f1d3fb - - 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 a8122b1e-0c32-49f2-bc99-a4e3812c5f6b.
2026-07-16 01:33:15.451 10 WARNING neutronclient.v2_0.client [None req-863a037d-d70d-4042-956c-c790192b1068 5f18385c67b94d7ca28881e08452cfb8 fad8897d0d8c417f87aeac4fe0f1d3fb - - 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 a8122b1e-0c32-49f2-bc99-a4e3812c5f6b.
2026-07-16 01:33:38.167 12 ERROR nova.scheduler.utils [None req-0b66aa49-f0ad-4ab0-b418-440fc5e322ce e4dc6de9f1d044069154cbb4788a1eab cd148dd53bfe4e13953418daf7a6388b - - default default] [instance: d78ecb74-6f23-43ee-83db-fd49d16522ae] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d78ecb74-6f23-43ee-83db-fd49d16522ae was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:33:38.168 12 WARNING nova.scheduler.utils [None req-0b66aa49-f0ad-4ab0-b418-440fc5e322ce e4dc6de9f1d044069154cbb4788a1eab cd148dd53bfe4e13953418daf7a6388b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d78ecb74-6f23-43ee-83db-fd49d16522ae.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d78ecb74-6f23-43ee-83db-fd49d16522ae.
2026-07-16 01:33:38.169 12 WARNING nova.scheduler.utils [None req-0b66aa49-f0ad-4ab0-b418-440fc5e322ce e4dc6de9f1d044069154cbb4788a1eab cd148dd53bfe4e13953418daf7a6388b - - default default] [instance: d78ecb74-6f23-43ee-83db-fd49d16522ae] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d78ecb74-6f23-43ee-83db-fd49d16522ae.
2026-07-16 01:33:38.215 12 WARNING neutronclient.v2_0.client [None req-0b66aa49-f0ad-4ab0-b418-440fc5e322ce e4dc6de9f1d044069154cbb4788a1eab cd148dd53bfe4e13953418daf7a6388b - - 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 d78ecb74-6f23-43ee-83db-fd49d16522ae.
2026-07-16 01:33:38.239 12 WARNING neutronclient.v2_0.client [None req-0b66aa49-f0ad-4ab0-b418-440fc5e322ce e4dc6de9f1d044069154cbb4788a1eab cd148dd53bfe4e13953418daf7a6388b - - 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 d78ecb74-6f23-43ee-83db-fd49d16522ae.
2026-07-16 01:34:07.656 10 ERROR nova.scheduler.utils [None req-7fae5071-7f98-4fde-9284-3acfad0eb833 bb70f2586a3d427586658831b835329f 00a8682ce4a84240ae08cc07cfc21e9f - - default default] [instance: 19b016fa-e819-4195-9a4f-dfbb02377e65] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 19b016fa-e819-4195-9a4f-dfbb02377e65 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:34:07.658 10 WARNING nova.scheduler.utils [None req-7fae5071-7f98-4fde-9284-3acfad0eb833 bb70f2586a3d427586658831b835329f 00a8682ce4a84240ae08cc07cfc21e9f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 19b016fa-e819-4195-9a4f-dfbb02377e65.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 19b016fa-e819-4195-9a4f-dfbb02377e65.
2026-07-16 01:34:07.659 10 WARNING nova.scheduler.utils [None req-7fae5071-7f98-4fde-9284-3acfad0eb833 bb70f2586a3d427586658831b835329f 00a8682ce4a84240ae08cc07cfc21e9f - - default default] [instance: 19b016fa-e819-4195-9a4f-dfbb02377e65] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 19b016fa-e819-4195-9a4f-dfbb02377e65.
2026-07-16 01:34:07.710 10 WARNING neutronclient.v2_0.client [None req-7fae5071-7f98-4fde-9284-3acfad0eb833 bb70f2586a3d427586658831b835329f 00a8682ce4a84240ae08cc07cfc21e9f - - 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 19b016fa-e819-4195-9a4f-dfbb02377e65.
2026-07-16 01:34:07.849 10 WARNING neutronclient.v2_0.client [None req-7fae5071-7f98-4fde-9284-3acfad0eb833 bb70f2586a3d427586658831b835329f 00a8682ce4a84240ae08cc07cfc21e9f - - 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 19b016fa-e819-4195-9a4f-dfbb02377e65.
2026-07-16 01:34:28.135 12 ERROR nova.scheduler.utils [None req-4728448f-c419-4bcc-ad98-22fc6f73b9d0 c43af573e82946b783e6b13a3f293e9e ed77df376a01425d9c88af1ad637c53c - - default default] [instance: c0139963-4b61-415a-ae10-20f350073bf7] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance c0139963-4b61-415a-ae10-20f350073bf7 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:34:28.137 12 WARNING nova.scheduler.utils [None req-4728448f-c419-4bcc-ad98-22fc6f73b9d0 c43af573e82946b783e6b13a3f293e9e ed77df376a01425d9c88af1ad637c53c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c0139963-4b61-415a-ae10-20f350073bf7.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c0139963-4b61-415a-ae10-20f350073bf7.
2026-07-16 01:34:28.137 12 WARNING nova.scheduler.utils [None req-4728448f-c419-4bcc-ad98-22fc6f73b9d0 c43af573e82946b783e6b13a3f293e9e ed77df376a01425d9c88af1ad637c53c - - default default] [instance: c0139963-4b61-415a-ae10-20f350073bf7] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c0139963-4b61-415a-ae10-20f350073bf7.
2026-07-16 01:34:28.188 12 WARNING neutronclient.v2_0.client [None req-4728448f-c419-4bcc-ad98-22fc6f73b9d0 c43af573e82946b783e6b13a3f293e9e ed77df376a01425d9c88af1ad637c53c - - 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 c0139963-4b61-415a-ae10-20f350073bf7.
2026-07-16 01:34:28.212 12 WARNING neutronclient.v2_0.client [None req-4728448f-c419-4bcc-ad98-22fc6f73b9d0 c43af573e82946b783e6b13a3f293e9e ed77df376a01425d9c88af1ad637c53c - - 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 c0139963-4b61-415a-ae10-20f350073bf7.
2026-07-16 01:34:49.106 12 ERROR nova.scheduler.utils [None req-3ab0ab0e-2d7a-47eb-b768-dfb8daa5caa6 a62569d5571b44b3bb5d6fa39ab5b9d8 9bad793bfa4047f6a3b77200b508c24b - - default default] [instance: 89c0c4f4-4e47-4af1-bad1-331183c71c0d] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 89c0c4f4-4e47-4af1-bad1-331183c71c0d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:34:49.107 12 WARNING nova.scheduler.utils [None req-3ab0ab0e-2d7a-47eb-b768-dfb8daa5caa6 a62569d5571b44b3bb5d6fa39ab5b9d8 9bad793bfa4047f6a3b77200b508c24b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 89c0c4f4-4e47-4af1-bad1-331183c71c0d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 89c0c4f4-4e47-4af1-bad1-331183c71c0d.
2026-07-16 01:34:49.108 12 WARNING nova.scheduler.utils [None req-3ab0ab0e-2d7a-47eb-b768-dfb8daa5caa6 a62569d5571b44b3bb5d6fa39ab5b9d8 9bad793bfa4047f6a3b77200b508c24b - - default default] [instance: 89c0c4f4-4e47-4af1-bad1-331183c71c0d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 89c0c4f4-4e47-4af1-bad1-331183c71c0d.
2026-07-16 01:34:49.154 12 WARNING neutronclient.v2_0.client [None req-3ab0ab0e-2d7a-47eb-b768-dfb8daa5caa6 a62569d5571b44b3bb5d6fa39ab5b9d8 9bad793bfa4047f6a3b77200b508c24b - - 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 89c0c4f4-4e47-4af1-bad1-331183c71c0d.
2026-07-16 01:34:49.183 12 WARNING neutronclient.v2_0.client [None req-3ab0ab0e-2d7a-47eb-b768-dfb8daa5caa6 a62569d5571b44b3bb5d6fa39ab5b9d8 9bad793bfa4047f6a3b77200b508c24b - - 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 89c0c4f4-4e47-4af1-bad1-331183c71c0d.
2026-07-16 01:35:16.804 12 ERROR nova.scheduler.utils [None req-adb8baed-31e3-41ef-9e3d-940c6443080d 13e47caf2f69464693cff141c9af2640 3ccf8db0407a42298a3990c76bb16367 - - default default] [instance: d1895654-620d-4da7-8cd7-169904578689] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d1895654-620d-4da7-8cd7-169904578689 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:35:16.805 12 WARNING nova.scheduler.utils [None req-adb8baed-31e3-41ef-9e3d-940c6443080d 13e47caf2f69464693cff141c9af2640 3ccf8db0407a42298a3990c76bb16367 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d1895654-620d-4da7-8cd7-169904578689.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d1895654-620d-4da7-8cd7-169904578689.
2026-07-16 01:35:16.805 12 WARNING nova.scheduler.utils [None req-adb8baed-31e3-41ef-9e3d-940c6443080d 13e47caf2f69464693cff141c9af2640 3ccf8db0407a42298a3990c76bb16367 - - default default] [instance: d1895654-620d-4da7-8cd7-169904578689] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d1895654-620d-4da7-8cd7-169904578689.
2026-07-16 01:35:16.858 12 WARNING neutronclient.v2_0.client [None req-adb8baed-31e3-41ef-9e3d-940c6443080d 13e47caf2f69464693cff141c9af2640 3ccf8db0407a42298a3990c76bb16367 - - 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 d1895654-620d-4da7-8cd7-169904578689.
2026-07-16 01:35:16.891 12 WARNING neutronclient.v2_0.client [None req-adb8baed-31e3-41ef-9e3d-940c6443080d 13e47caf2f69464693cff141c9af2640 3ccf8db0407a42298a3990c76bb16367 - - 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 d1895654-620d-4da7-8cd7-169904578689.
2026-07-16 01:36:29.626 12 ERROR nova.scheduler.utils [None req-8339d214-b57b-45cb-a8ac-df3179c8e236 01b7a475e3fb4a0191f0dcefb0c4df03 52bdf208c361484388dab72da5b8cb9a - - default default] [instance: 62918b95-b304-4166-a717-cb0181c67021] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 62918b95-b304-4166-a717-cb0181c67021 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 01:36:29.628 12 WARNING nova.scheduler.utils [None req-8339d214-b57b-45cb-a8ac-df3179c8e236 01b7a475e3fb4a0191f0dcefb0c4df03 52bdf208c361484388dab72da5b8cb9a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 62918b95-b304-4166-a717-cb0181c67021.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 62918b95-b304-4166-a717-cb0181c67021.
2026-07-16 01:36:29.628 12 WARNING nova.scheduler.utils [None req-8339d214-b57b-45cb-a8ac-df3179c8e236 01b7a475e3fb4a0191f0dcefb0c4df03 52bdf208c361484388dab72da5b8cb9a - - default default] [instance: 62918b95-b304-4166-a717-cb0181c67021] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 62918b95-b304-4166-a717-cb0181c67021.
2026-07-16 01:36:29.665 12 WARNING neutronclient.v2_0.client [None req-8339d214-b57b-45cb-a8ac-df3179c8e236 01b7a475e3fb4a0191f0dcefb0c4df03 52bdf208c361484388dab72da5b8cb9a - - 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 62918b95-b304-4166-a717-cb0181c67021.
2026-07-16 01:36:29.692 12 WARNING neutronclient.v2_0.client [None req-8339d214-b57b-45cb-a8ac-df3179c8e236 01b7a475e3fb4a0191f0dcefb0c4df03 52bdf208c361484388dab72da5b8cb9a - - 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 62918b95-b304-4166-a717-cb0181c67021.