+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-23 19:20:31.911 1 INFO nova.utils [None req-9090995b-abbe-4613-b1c4-7cb9ccaa995e - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-23 19:20:32.078 1 INFO nova.utils [None req-9090995b-abbe-4613-b1c4-7cb9ccaa995e - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-23 19:20:33.076 1 INFO nova.utils [None req-9090995b-abbe-4613-b1c4-7cb9ccaa995e - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-23 19:20:33.079 1 WARNING oslo_service.backend._threading.service [None req-9090995b-abbe-4613-b1c4-7cb9ccaa995e - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-23 19:20:33.088 1 WARNING oslo_config.cfg [None req-9090995b-abbe-4613-b1c4-7cb9ccaa995e - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.
2026-07-23 19:20:33.135 9 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-23 19:20:33.150 11 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-23 19:41:00.344 11 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 2.07 sec
2026-07-23 19:41:00.346 9 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 2.06 sec
2026-07-23 20:03:59.376 9 INFO nova.utils [None req-5f6ffc7c-e864-4a5b-955c-80351b342082 810f41e0016147799a417d210b7835b0 08b65a39b7fb472084c09b322c2310c3 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-23 20:03:59.777 9 INFO nova.compute.rpcapi [None req-371c0690-bdb5-4f5c-bf76-1724cd51184c - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-23 20:04:00.866 11 INFO nova.utils [None req-4f157a81-3966-4650-9bb8-6cd6b61fc938 97e3577ef5a14407b470a5552292f90f 6e5e717dcf2d4bc1b2269a7421453f15 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-23 20:04:01.231 11 INFO nova.compute.rpcapi [None req-5c126020-f5bc-4858-8f63-6f256c248bcb - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-23 20:04:19.949 9 ERROR nova.scheduler.utils [None req-5f6ffc7c-e864-4a5b-955c-80351b342082 810f41e0016147799a417d210b7835b0 08b65a39b7fb472084c09b322c2310c3 - - default default] [instance: dc20ba53-b15d-47d1-a88b-222d383bd19e] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance dc20ba53-b15d-47d1-a88b-222d383bd19e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 20:04:19.950 9 WARNING nova.scheduler.utils [None req-5f6ffc7c-e864-4a5b-955c-80351b342082 810f41e0016147799a417d210b7835b0 08b65a39b7fb472084c09b322c2310c3 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc20ba53-b15d-47d1-a88b-222d383bd19e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc20ba53-b15d-47d1-a88b-222d383bd19e.
2026-07-23 20:04:19.951 9 WARNING nova.scheduler.utils [None req-5f6ffc7c-e864-4a5b-955c-80351b342082 810f41e0016147799a417d210b7835b0 08b65a39b7fb472084c09b322c2310c3 - - default default] [instance: dc20ba53-b15d-47d1-a88b-222d383bd19e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc20ba53-b15d-47d1-a88b-222d383bd19e.
2026-07-23 20:04:20.077 9 WARNING neutronclient.v2_0.client [None req-5f6ffc7c-e864-4a5b-955c-80351b342082 810f41e0016147799a417d210b7835b0 08b65a39b7fb472084c09b322c2310c3 - - 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 dc20ba53-b15d-47d1-a88b-222d383bd19e.
2026-07-23 20:04:20.485 9 WARNING neutronclient.v2_0.client [None req-5f6ffc7c-e864-4a5b-955c-80351b342082 810f41e0016147799a417d210b7835b0 08b65a39b7fb472084c09b322c2310c3 - - 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 dc20ba53-b15d-47d1-a88b-222d383bd19e.
2026-07-23 20:04:21.415 9 ERROR nova.scheduler.utils [None req-4f157a81-3966-4650-9bb8-6cd6b61fc938 97e3577ef5a14407b470a5552292f90f 6e5e717dcf2d4bc1b2269a7421453f15 - - default default] [instance: 2fee8bb9-898e-4c06-a693-15e8f7fd5a87] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 2fee8bb9-898e-4c06-a693-15e8f7fd5a87 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 20:04:21.417 9 WARNING nova.scheduler.utils [None req-4f157a81-3966-4650-9bb8-6cd6b61fc938 97e3577ef5a14407b470a5552292f90f 6e5e717dcf2d4bc1b2269a7421453f15 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2fee8bb9-898e-4c06-a693-15e8f7fd5a87.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2fee8bb9-898e-4c06-a693-15e8f7fd5a87.
2026-07-23 20:04:21.417 9 WARNING nova.scheduler.utils [None req-4f157a81-3966-4650-9bb8-6cd6b61fc938 97e3577ef5a14407b470a5552292f90f 6e5e717dcf2d4bc1b2269a7421453f15 - - default default] [instance: 2fee8bb9-898e-4c06-a693-15e8f7fd5a87] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2fee8bb9-898e-4c06-a693-15e8f7fd5a87.
2026-07-23 20:04:21.571 9 WARNING neutronclient.v2_0.client [None req-4f157a81-3966-4650-9bb8-6cd6b61fc938 97e3577ef5a14407b470a5552292f90f 6e5e717dcf2d4bc1b2269a7421453f15 - - 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 2fee8bb9-898e-4c06-a693-15e8f7fd5a87.
2026-07-23 20:04:21.598 9 WARNING neutronclient.v2_0.client [None req-4f157a81-3966-4650-9bb8-6cd6b61fc938 97e3577ef5a14407b470a5552292f90f 6e5e717dcf2d4bc1b2269a7421453f15 - - 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 2fee8bb9-898e-4c06-a693-15e8f7fd5a87.
2026-07-23 20:04:37.006 9 ERROR nova.scheduler.utils [None req-70e0e29a-9e00-4421-ae71-baeec5291d08 22beca64cff24c82a9ba5dbc7953dbaa 7349d6d634bf447ebdb9366022dadc67 - - default default] [instance: dc6b2150-524a-4e30-94fa-87a6bde4b243] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance dc6b2150-524a-4e30-94fa-87a6bde4b243 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 20:04:37.007 9 WARNING nova.scheduler.utils [None req-70e0e29a-9e00-4421-ae71-baeec5291d08 22beca64cff24c82a9ba5dbc7953dbaa 7349d6d634bf447ebdb9366022dadc67 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc6b2150-524a-4e30-94fa-87a6bde4b243.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc6b2150-524a-4e30-94fa-87a6bde4b243.
2026-07-23 20:04:37.007 9 WARNING nova.scheduler.utils [None req-70e0e29a-9e00-4421-ae71-baeec5291d08 22beca64cff24c82a9ba5dbc7953dbaa 7349d6d634bf447ebdb9366022dadc67 - - default default] [instance: dc6b2150-524a-4e30-94fa-87a6bde4b243] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc6b2150-524a-4e30-94fa-87a6bde4b243.
2026-07-23 20:04:37.051 9 WARNING neutronclient.v2_0.client [None req-70e0e29a-9e00-4421-ae71-baeec5291d08 22beca64cff24c82a9ba5dbc7953dbaa 7349d6d634bf447ebdb9366022dadc67 - - 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 dc6b2150-524a-4e30-94fa-87a6bde4b243.
2026-07-23 20:04:37.077 9 WARNING neutronclient.v2_0.client [None req-70e0e29a-9e00-4421-ae71-baeec5291d08 22beca64cff24c82a9ba5dbc7953dbaa 7349d6d634bf447ebdb9366022dadc67 - - 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 dc6b2150-524a-4e30-94fa-87a6bde4b243.
2026-07-23 20:04:38.318 9 ERROR nova.scheduler.utils [None req-fe84badd-d7c6-459e-81f2-a35b063d5673 e4cf0362ac5547c19c644f60ac73f5f0 8f0d59ca8991410dabdb09bc380260e7 - - default default] [instance: 7df731d6-d2eb-48ec-af43-143edab96f03] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 7df731d6-d2eb-48ec-af43-143edab96f03 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 20:04:38.318 9 WARNING nova.scheduler.utils [None req-fe84badd-d7c6-459e-81f2-a35b063d5673 e4cf0362ac5547c19c644f60ac73f5f0 8f0d59ca8991410dabdb09bc380260e7 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7df731d6-d2eb-48ec-af43-143edab96f03.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7df731d6-d2eb-48ec-af43-143edab96f03.
2026-07-23 20:04:38.318 9 WARNING nova.scheduler.utils [None req-fe84badd-d7c6-459e-81f2-a35b063d5673 e4cf0362ac5547c19c644f60ac73f5f0 8f0d59ca8991410dabdb09bc380260e7 - - default default] [instance: 7df731d6-d2eb-48ec-af43-143edab96f03] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7df731d6-d2eb-48ec-af43-143edab96f03.
2026-07-23 20:04:38.355 9 WARNING neutronclient.v2_0.client [None req-fe84badd-d7c6-459e-81f2-a35b063d5673 e4cf0362ac5547c19c644f60ac73f5f0 8f0d59ca8991410dabdb09bc380260e7 - - 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 7df731d6-d2eb-48ec-af43-143edab96f03.
2026-07-23 20:04:38.381 9 WARNING neutronclient.v2_0.client [None req-fe84badd-d7c6-459e-81f2-a35b063d5673 e4cf0362ac5547c19c644f60ac73f5f0 8f0d59ca8991410dabdb09bc380260e7 - - 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 7df731d6-d2eb-48ec-af43-143edab96f03.
2026-07-23 20:05:00.823 11 ERROR nova.scheduler.utils [None req-dc48057f-c69e-4b61-84ff-a8e7d6e6b795 bdd29e893a514842b955c6077d632981 58b8b5808cff4deca67e16d0d0342e19 - - default default] [instance: 76f2146c-503f-4066-bb6a-618878dbb3a2] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 76f2146c-503f-4066-bb6a-618878dbb3a2 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 20:05:00.830 11 WARNING nova.scheduler.utils [None req-dc48057f-c69e-4b61-84ff-a8e7d6e6b795 bdd29e893a514842b955c6077d632981 58b8b5808cff4deca67e16d0d0342e19 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 76f2146c-503f-4066-bb6a-618878dbb3a2.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 76f2146c-503f-4066-bb6a-618878dbb3a2.
2026-07-23 20:05:00.831 11 WARNING nova.scheduler.utils [None req-dc48057f-c69e-4b61-84ff-a8e7d6e6b795 bdd29e893a514842b955c6077d632981 58b8b5808cff4deca67e16d0d0342e19 - - default default] [instance: 76f2146c-503f-4066-bb6a-618878dbb3a2] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 76f2146c-503f-4066-bb6a-618878dbb3a2.
2026-07-23 20:05:00.936 11 WARNING neutronclient.v2_0.client [None req-dc48057f-c69e-4b61-84ff-a8e7d6e6b795 bdd29e893a514842b955c6077d632981 58b8b5808cff4deca67e16d0d0342e19 - - 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 76f2146c-503f-4066-bb6a-618878dbb3a2.
2026-07-23 20:05:01.533 11 WARNING neutronclient.v2_0.client [None req-dc48057f-c69e-4b61-84ff-a8e7d6e6b795 bdd29e893a514842b955c6077d632981 58b8b5808cff4deca67e16d0d0342e19 - - 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 76f2146c-503f-4066-bb6a-618878dbb3a2.
2026-07-23 20:05:35.426 11 ERROR nova.scheduler.utils [None req-e1a2dd13-38d8-496d-aef7-093c35e3142b a60990b24b2f4d069665cae59230a2d5 08917680830942a3bf5b0441d49d69f2 - - default default] [instance: df1ff636-ccd5-4600-82af-0bcc9716ce48] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance df1ff636-ccd5-4600-82af-0bcc9716ce48 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 20:05:35.427 11 WARNING nova.scheduler.utils [None req-e1a2dd13-38d8-496d-aef7-093c35e3142b a60990b24b2f4d069665cae59230a2d5 08917680830942a3bf5b0441d49d69f2 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance df1ff636-ccd5-4600-82af-0bcc9716ce48.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance df1ff636-ccd5-4600-82af-0bcc9716ce48.
2026-07-23 20:05:35.428 11 WARNING nova.scheduler.utils [None req-e1a2dd13-38d8-496d-aef7-093c35e3142b a60990b24b2f4d069665cae59230a2d5 08917680830942a3bf5b0441d49d69f2 - - default default] [instance: df1ff636-ccd5-4600-82af-0bcc9716ce48] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance df1ff636-ccd5-4600-82af-0bcc9716ce48.
2026-07-23 20:05:35.490 11 WARNING neutronclient.v2_0.client [None req-e1a2dd13-38d8-496d-aef7-093c35e3142b a60990b24b2f4d069665cae59230a2d5 08917680830942a3bf5b0441d49d69f2 - - 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 df1ff636-ccd5-4600-82af-0bcc9716ce48.
2026-07-23 20:05:35.548 11 WARNING neutronclient.v2_0.client [None req-e1a2dd13-38d8-496d-aef7-093c35e3142b a60990b24b2f4d069665cae59230a2d5 08917680830942a3bf5b0441d49d69f2 - - 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 df1ff636-ccd5-4600-82af-0bcc9716ce48.
2026-07-23 20:05:59.666 9 ERROR nova.scheduler.utils [None req-72089f01-2a9f-46ea-ac08-331700d670d1 ea06c58a93794d15b9f9830529bf4e6d 0fa78d8d9a544ba7b6f8779664d12ed0 - - default default] [instance: 7b420913-3232-49e9-b9e8-92c978ab8024] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 7b420913-3232-49e9-b9e8-92c978ab8024 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 20:05:59.667 9 WARNING nova.scheduler.utils [None req-72089f01-2a9f-46ea-ac08-331700d670d1 ea06c58a93794d15b9f9830529bf4e6d 0fa78d8d9a544ba7b6f8779664d12ed0 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7b420913-3232-49e9-b9e8-92c978ab8024.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7b420913-3232-49e9-b9e8-92c978ab8024.
2026-07-23 20:05:59.667 9 WARNING nova.scheduler.utils [None req-72089f01-2a9f-46ea-ac08-331700d670d1 ea06c58a93794d15b9f9830529bf4e6d 0fa78d8d9a544ba7b6f8779664d12ed0 - - default default] [instance: 7b420913-3232-49e9-b9e8-92c978ab8024] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7b420913-3232-49e9-b9e8-92c978ab8024.
2026-07-23 20:05:59.732 9 WARNING neutronclient.v2_0.client [None req-72089f01-2a9f-46ea-ac08-331700d670d1 ea06c58a93794d15b9f9830529bf4e6d 0fa78d8d9a544ba7b6f8779664d12ed0 - - 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 7b420913-3232-49e9-b9e8-92c978ab8024.
2026-07-23 20:05:59.770 9 WARNING neutronclient.v2_0.client [None req-72089f01-2a9f-46ea-ac08-331700d670d1 ea06c58a93794d15b9f9830529bf4e6d 0fa78d8d9a544ba7b6f8779664d12ed0 - - 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 7b420913-3232-49e9-b9e8-92c978ab8024.
2026-07-23 20:07:07.471 11 ERROR nova.scheduler.utils [None req-decbd744-670a-4b1a-9b8c-ceef8dbe0d50 4abb75213a8a4e1a99b44d7b6d6bd428 a08b9464a30045049baf96e712770819 - - default default] [instance: 1bc7e4a8-48c2-47d8-b05e-4dd2d195dff1] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 1bc7e4a8-48c2-47d8-b05e-4dd2d195dff1 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 20:07:07.472 11 WARNING nova.scheduler.utils [None req-decbd744-670a-4b1a-9b8c-ceef8dbe0d50 4abb75213a8a4e1a99b44d7b6d6bd428 a08b9464a30045049baf96e712770819 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1bc7e4a8-48c2-47d8-b05e-4dd2d195dff1.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1bc7e4a8-48c2-47d8-b05e-4dd2d195dff1.
2026-07-23 20:07:07.472 11 WARNING nova.scheduler.utils [None req-decbd744-670a-4b1a-9b8c-ceef8dbe0d50 4abb75213a8a4e1a99b44d7b6d6bd428 a08b9464a30045049baf96e712770819 - - default default] [instance: 1bc7e4a8-48c2-47d8-b05e-4dd2d195dff1] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1bc7e4a8-48c2-47d8-b05e-4dd2d195dff1.
2026-07-23 20:07:07.531 11 WARNING neutronclient.v2_0.client [None req-decbd744-670a-4b1a-9b8c-ceef8dbe0d50 4abb75213a8a4e1a99b44d7b6d6bd428 a08b9464a30045049baf96e712770819 - - 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 1bc7e4a8-48c2-47d8-b05e-4dd2d195dff1.
2026-07-23 20:07:07.585 11 WARNING neutronclient.v2_0.client [None req-decbd744-670a-4b1a-9b8c-ceef8dbe0d50 4abb75213a8a4e1a99b44d7b6d6bd428 a08b9464a30045049baf96e712770819 - - 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 1bc7e4a8-48c2-47d8-b05e-4dd2d195dff1.
2026-07-23 20:07:38.060 9 ERROR nova.scheduler.utils [None req-8865c1c1-ad03-4c2e-84c2-2b91f92cba3f 1e49e90deed5400f83155d6eca0f292c ae7688e223e5467e88f8c314fd6033c5 - - default default] [instance: 12b2e0a2-6693-44d9-8cee-1e253df1f324] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 12b2e0a2-6693-44d9-8cee-1e253df1f324 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 20:07:38.061 9 WARNING nova.scheduler.utils [None req-8865c1c1-ad03-4c2e-84c2-2b91f92cba3f 1e49e90deed5400f83155d6eca0f292c ae7688e223e5467e88f8c314fd6033c5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 12b2e0a2-6693-44d9-8cee-1e253df1f324.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 12b2e0a2-6693-44d9-8cee-1e253df1f324.
2026-07-23 20:07:38.061 9 WARNING nova.scheduler.utils [None req-8865c1c1-ad03-4c2e-84c2-2b91f92cba3f 1e49e90deed5400f83155d6eca0f292c ae7688e223e5467e88f8c314fd6033c5 - - default default] [instance: 12b2e0a2-6693-44d9-8cee-1e253df1f324] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 12b2e0a2-6693-44d9-8cee-1e253df1f324.
2026-07-23 20:07:38.105 9 WARNING neutronclient.v2_0.client [None req-8865c1c1-ad03-4c2e-84c2-2b91f92cba3f 1e49e90deed5400f83155d6eca0f292c ae7688e223e5467e88f8c314fd6033c5 - - 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 12b2e0a2-6693-44d9-8cee-1e253df1f324.
2026-07-23 20:07:38.131 9 WARNING neutronclient.v2_0.client [None req-8865c1c1-ad03-4c2e-84c2-2b91f92cba3f 1e49e90deed5400f83155d6eca0f292c ae7688e223e5467e88f8c314fd6033c5 - - 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 12b2e0a2-6693-44d9-8cee-1e253df1f324.
2026-07-23 20:08:21.819 9 ERROR nova.scheduler.utils [None req-ca9532a8-1a65-4dbb-b3cb-cbfb9d7169ff 4fb358fb61764a1b9424b5578712e903 4c06cc37ec9f4aee9a24aa05e9e9a482 - - default default] [instance: d9417ab8-73c8-4669-a36a-2a9baaf6b301] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d9417ab8-73c8-4669-a36a-2a9baaf6b301 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-23 20:08:21.820 9 WARNING nova.scheduler.utils [None req-ca9532a8-1a65-4dbb-b3cb-cbfb9d7169ff 4fb358fb61764a1b9424b5578712e903 4c06cc37ec9f4aee9a24aa05e9e9a482 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d9417ab8-73c8-4669-a36a-2a9baaf6b301.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d9417ab8-73c8-4669-a36a-2a9baaf6b301.
2026-07-23 20:08:21.821 9 WARNING nova.scheduler.utils [None req-ca9532a8-1a65-4dbb-b3cb-cbfb9d7169ff 4fb358fb61764a1b9424b5578712e903 4c06cc37ec9f4aee9a24aa05e9e9a482 - - default default] [instance: d9417ab8-73c8-4669-a36a-2a9baaf6b301] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d9417ab8-73c8-4669-a36a-2a9baaf6b301.
2026-07-23 20:08:21.891 9 WARNING neutronclient.v2_0.client [None req-ca9532a8-1a65-4dbb-b3cb-cbfb9d7169ff 4fb358fb61764a1b9424b5578712e903 4c06cc37ec9f4aee9a24aa05e9e9a482 - - 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 d9417ab8-73c8-4669-a36a-2a9baaf6b301.
2026-07-23 20:08:21.921 9 WARNING neutronclient.v2_0.client [None req-ca9532a8-1a65-4dbb-b3cb-cbfb9d7169ff 4fb358fb61764a1b9424b5578712e903 4c06cc37ec9f4aee9a24aa05e9e9a482 - - 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 d9417ab8-73c8-4669-a36a-2a9baaf6b301.