+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-21 07:13:15.319 1 INFO nova.utils [None req-c5ffc563-5f38-47c7-912e-6e44510bd6a9 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-21 07:13:15.506 1 INFO nova.utils [None req-c5ffc563-5f38-47c7-912e-6e44510bd6a9 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-21 07:13:16.507 1 INFO nova.utils [None req-c5ffc563-5f38-47c7-912e-6e44510bd6a9 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-21 07:13:16.510 1 WARNING oslo_service.backend._threading.service [None req-c5ffc563-5f38-47c7-912e-6e44510bd6a9 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-21 07:13:16.520 1 WARNING oslo_config.cfg [None req-c5ffc563-5f38-47c7-912e-6e44510bd6a9 - - - - - -] 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.
2026-07-21 07:13:16.568 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-21 07:13:16.586 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-21 07:54:56.982 10 INFO nova.utils [None req-754af62b-7dd4-497d-ba44-fe3b260b49d6 3881600e09f7459993b04ab8c34660cb bbcf78c238fc44e082d273338f93ccf6 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-21 07:54:57.285 10 INFO nova.compute.rpcapi [None req-7fe9700e-3362-4f34-9bd6-0907dcee13ac - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-21 07:54:58.535 12 INFO nova.utils [None req-8068b65f-c035-47ff-ae51-f805561a1785 008b0a580cf9450996f289b19204ba62 7c6eea05e20c4060b4b99dbc627d8992 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-21 07:54:58.696 12 INFO nova.compute.rpcapi [None req-bbb9d8c0-df26-47c5-80d4-a4781847f71c - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-21 07:55:17.057 10 ERROR nova.scheduler.utils [None req-754af62b-7dd4-497d-ba44-fe3b260b49d6 3881600e09f7459993b04ab8c34660cb bbcf78c238fc44e082d273338f93ccf6 - - default default] [instance: 55bd84b3-ca42-430c-8151-52c8790019bc] 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 55bd84b3-ca42-430c-8151-52c8790019bc was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 07:55:17.058 10 WARNING nova.scheduler.utils [None req-754af62b-7dd4-497d-ba44-fe3b260b49d6 3881600e09f7459993b04ab8c34660cb bbcf78c238fc44e082d273338f93ccf6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 55bd84b3-ca42-430c-8151-52c8790019bc.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 55bd84b3-ca42-430c-8151-52c8790019bc.
2026-07-21 07:55:17.058 10 WARNING nova.scheduler.utils [None req-754af62b-7dd4-497d-ba44-fe3b260b49d6 3881600e09f7459993b04ab8c34660cb bbcf78c238fc44e082d273338f93ccf6 - - default default] [instance: 55bd84b3-ca42-430c-8151-52c8790019bc] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 55bd84b3-ca42-430c-8151-52c8790019bc.
2026-07-21 07:55:17.166 10 WARNING neutronclient.v2_0.client [None req-754af62b-7dd4-497d-ba44-fe3b260b49d6 3881600e09f7459993b04ab8c34660cb bbcf78c238fc44e082d273338f93ccf6 - - 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 55bd84b3-ca42-430c-8151-52c8790019bc.
2026-07-21 07:55:17.586 10 WARNING neutronclient.v2_0.client [None req-754af62b-7dd4-497d-ba44-fe3b260b49d6 3881600e09f7459993b04ab8c34660cb bbcf78c238fc44e082d273338f93ccf6 - - 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 55bd84b3-ca42-430c-8151-52c8790019bc.
2026-07-21 07:55:18.985 10 ERROR nova.scheduler.utils [None req-465d4042-e69b-46ca-a619-926211fb2f15 c06bceb41822455083ea4fd502d37e62 878d2f9404914d00928bb501a2c3d7fd - - default default] [instance: 7d6125c4-7d45-48d5-b4e4-96c1b264f138] 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 7d6125c4-7d45-48d5-b4e4-96c1b264f138 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 07:55:18.987 10 WARNING nova.scheduler.utils [None req-465d4042-e69b-46ca-a619-926211fb2f15 c06bceb41822455083ea4fd502d37e62 878d2f9404914d00928bb501a2c3d7fd - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7d6125c4-7d45-48d5-b4e4-96c1b264f138.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7d6125c4-7d45-48d5-b4e4-96c1b264f138.
2026-07-21 07:55:18.987 10 WARNING nova.scheduler.utils [None req-465d4042-e69b-46ca-a619-926211fb2f15 c06bceb41822455083ea4fd502d37e62 878d2f9404914d00928bb501a2c3d7fd - - default default] [instance: 7d6125c4-7d45-48d5-b4e4-96c1b264f138] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7d6125c4-7d45-48d5-b4e4-96c1b264f138.
2026-07-21 07:55:19.053 10 WARNING neutronclient.v2_0.client [None req-465d4042-e69b-46ca-a619-926211fb2f15 c06bceb41822455083ea4fd502d37e62 878d2f9404914d00928bb501a2c3d7fd - - 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 7d6125c4-7d45-48d5-b4e4-96c1b264f138.
2026-07-21 07:55:19.086 10 WARNING neutronclient.v2_0.client [None req-465d4042-e69b-46ca-a619-926211fb2f15 c06bceb41822455083ea4fd502d37e62 878d2f9404914d00928bb501a2c3d7fd - - 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 7d6125c4-7d45-48d5-b4e4-96c1b264f138.
2026-07-21 07:55:20.831 12 ERROR nova.scheduler.utils [None req-8068b65f-c035-47ff-ae51-f805561a1785 008b0a580cf9450996f289b19204ba62 7c6eea05e20c4060b4b99dbc627d8992 - - default default] [instance: effd3f4e-0fdb-417b-9448-bd6ce62e649c] 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 effd3f4e-0fdb-417b-9448-bd6ce62e649c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 07:55:20.832 12 WARNING nova.scheduler.utils [None req-8068b65f-c035-47ff-ae51-f805561a1785 008b0a580cf9450996f289b19204ba62 7c6eea05e20c4060b4b99dbc627d8992 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance effd3f4e-0fdb-417b-9448-bd6ce62e649c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance effd3f4e-0fdb-417b-9448-bd6ce62e649c.
2026-07-21 07:55:20.832 12 WARNING nova.scheduler.utils [None req-8068b65f-c035-47ff-ae51-f805561a1785 008b0a580cf9450996f289b19204ba62 7c6eea05e20c4060b4b99dbc627d8992 - - default default] [instance: effd3f4e-0fdb-417b-9448-bd6ce62e649c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance effd3f4e-0fdb-417b-9448-bd6ce62e649c.
2026-07-21 07:55:20.941 12 WARNING neutronclient.v2_0.client [None req-8068b65f-c035-47ff-ae51-f805561a1785 008b0a580cf9450996f289b19204ba62 7c6eea05e20c4060b4b99dbc627d8992 - - 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 effd3f4e-0fdb-417b-9448-bd6ce62e649c.
2026-07-21 07:55:21.757 12 WARNING neutronclient.v2_0.client [None req-8068b65f-c035-47ff-ae51-f805561a1785 008b0a580cf9450996f289b19204ba62 7c6eea05e20c4060b4b99dbc627d8992 - - 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 effd3f4e-0fdb-417b-9448-bd6ce62e649c.
2026-07-21 07:55:22.428 10 ERROR nova.scheduler.utils [None req-ca55bea3-bf84-411e-8593-17b5c711df34 bd1ccf5c45f94090a5ed2752ef52e794 65ad200f735b4241973e071d5f509a1f - - default default] [instance: 97fec93c-99fc-416a-ad9d-27edff72c794] 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 97fec93c-99fc-416a-ad9d-27edff72c794 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 07:55:22.430 10 WARNING nova.scheduler.utils [None req-ca55bea3-bf84-411e-8593-17b5c711df34 bd1ccf5c45f94090a5ed2752ef52e794 65ad200f735b4241973e071d5f509a1f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 97fec93c-99fc-416a-ad9d-27edff72c794.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 97fec93c-99fc-416a-ad9d-27edff72c794.
2026-07-21 07:55:22.430 10 WARNING nova.scheduler.utils [None req-ca55bea3-bf84-411e-8593-17b5c711df34 bd1ccf5c45f94090a5ed2752ef52e794 65ad200f735b4241973e071d5f509a1f - - default default] [instance: 97fec93c-99fc-416a-ad9d-27edff72c794] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 97fec93c-99fc-416a-ad9d-27edff72c794.
2026-07-21 07:55:22.485 10 WARNING neutronclient.v2_0.client [None req-ca55bea3-bf84-411e-8593-17b5c711df34 bd1ccf5c45f94090a5ed2752ef52e794 65ad200f735b4241973e071d5f509a1f - - 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 97fec93c-99fc-416a-ad9d-27edff72c794.
2026-07-21 07:55:22.533 10 WARNING neutronclient.v2_0.client [None req-ca55bea3-bf84-411e-8593-17b5c711df34 bd1ccf5c45f94090a5ed2752ef52e794 65ad200f735b4241973e071d5f509a1f - - 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 97fec93c-99fc-416a-ad9d-27edff72c794.
2026-07-21 07:55:51.882 12 ERROR nova.scheduler.utils [None req-6deaa32c-c4de-4c4f-9abf-2b7ff0fa7956 d2e804f07c8d4564896e7ae324c20c4e bac812d71a75473bb31419245dd84bbb - - default default] [instance: f69d01a4-3cde-4bbc-a666-313b47d34919] 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 f69d01a4-3cde-4bbc-a666-313b47d34919 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 07:55:51.883 12 WARNING nova.scheduler.utils [None req-6deaa32c-c4de-4c4f-9abf-2b7ff0fa7956 d2e804f07c8d4564896e7ae324c20c4e bac812d71a75473bb31419245dd84bbb - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f69d01a4-3cde-4bbc-a666-313b47d34919.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f69d01a4-3cde-4bbc-a666-313b47d34919.
2026-07-21 07:55:51.883 12 WARNING nova.scheduler.utils [None req-6deaa32c-c4de-4c4f-9abf-2b7ff0fa7956 d2e804f07c8d4564896e7ae324c20c4e bac812d71a75473bb31419245dd84bbb - - default default] [instance: f69d01a4-3cde-4bbc-a666-313b47d34919] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f69d01a4-3cde-4bbc-a666-313b47d34919.
2026-07-21 07:55:51.952 12 WARNING neutronclient.v2_0.client [None req-6deaa32c-c4de-4c4f-9abf-2b7ff0fa7956 d2e804f07c8d4564896e7ae324c20c4e bac812d71a75473bb31419245dd84bbb - - 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 f69d01a4-3cde-4bbc-a666-313b47d34919.
2026-07-21 07:55:52.156 12 WARNING neutronclient.v2_0.client [None req-6deaa32c-c4de-4c4f-9abf-2b7ff0fa7956 d2e804f07c8d4564896e7ae324c20c4e bac812d71a75473bb31419245dd84bbb - - 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 f69d01a4-3cde-4bbc-a666-313b47d34919.
2026-07-21 07:56:22.563 10 ERROR nova.scheduler.utils [None req-b3495e48-1e8b-4a2d-99bf-cab69b0e1f0d f87ea7dfdd514040901a5244f17fa06d f7773eef963e4500888fda2a87c7f1b8 - - default default] [instance: 4c81e052-95ad-46b2-b3fd-c7484498985b] 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 4c81e052-95ad-46b2-b3fd-c7484498985b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 07:56:22.565 10 WARNING nova.scheduler.utils [None req-b3495e48-1e8b-4a2d-99bf-cab69b0e1f0d f87ea7dfdd514040901a5244f17fa06d f7773eef963e4500888fda2a87c7f1b8 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4c81e052-95ad-46b2-b3fd-c7484498985b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4c81e052-95ad-46b2-b3fd-c7484498985b.
2026-07-21 07:56:22.566 10 WARNING nova.scheduler.utils [None req-b3495e48-1e8b-4a2d-99bf-cab69b0e1f0d f87ea7dfdd514040901a5244f17fa06d f7773eef963e4500888fda2a87c7f1b8 - - default default] [instance: 4c81e052-95ad-46b2-b3fd-c7484498985b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4c81e052-95ad-46b2-b3fd-c7484498985b.
2026-07-21 07:56:22.649 10 WARNING neutronclient.v2_0.client [None req-b3495e48-1e8b-4a2d-99bf-cab69b0e1f0d f87ea7dfdd514040901a5244f17fa06d f7773eef963e4500888fda2a87c7f1b8 - - 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 4c81e052-95ad-46b2-b3fd-c7484498985b.
2026-07-21 07:56:22.715 10 WARNING neutronclient.v2_0.client [None req-b3495e48-1e8b-4a2d-99bf-cab69b0e1f0d f87ea7dfdd514040901a5244f17fa06d f7773eef963e4500888fda2a87c7f1b8 - - 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 4c81e052-95ad-46b2-b3fd-c7484498985b.
2026-07-21 07:56:51.414 12 ERROR nova.scheduler.utils [None req-9512c3e2-401a-453c-af78-8b4cefb7dc0e fd091043077c4d62af581d85d47f3df6 dd20f8570d224669a9b2243699d4f83f - - default default] [instance: ff6dbe6f-b240-4a31-8489-fe02b00ab95f] 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 ff6dbe6f-b240-4a31-8489-fe02b00ab95f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 07:56:51.416 12 WARNING nova.scheduler.utils [None req-9512c3e2-401a-453c-af78-8b4cefb7dc0e fd091043077c4d62af581d85d47f3df6 dd20f8570d224669a9b2243699d4f83f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ff6dbe6f-b240-4a31-8489-fe02b00ab95f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ff6dbe6f-b240-4a31-8489-fe02b00ab95f.
2026-07-21 07:56:51.416 12 WARNING nova.scheduler.utils [None req-9512c3e2-401a-453c-af78-8b4cefb7dc0e fd091043077c4d62af581d85d47f3df6 dd20f8570d224669a9b2243699d4f83f - - default default] [instance: ff6dbe6f-b240-4a31-8489-fe02b00ab95f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ff6dbe6f-b240-4a31-8489-fe02b00ab95f.
2026-07-21 07:56:51.474 12 WARNING neutronclient.v2_0.client [None req-9512c3e2-401a-453c-af78-8b4cefb7dc0e fd091043077c4d62af581d85d47f3df6 dd20f8570d224669a9b2243699d4f83f - - 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 ff6dbe6f-b240-4a31-8489-fe02b00ab95f.
2026-07-21 07:56:51.545 12 WARNING neutronclient.v2_0.client [None req-9512c3e2-401a-453c-af78-8b4cefb7dc0e fd091043077c4d62af581d85d47f3df6 dd20f8570d224669a9b2243699d4f83f - - 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 ff6dbe6f-b240-4a31-8489-fe02b00ab95f.
2026-07-21 07:57:56.158 12 ERROR nova.scheduler.utils [None req-553db8da-87e6-4dd5-868c-085f2e49485d 899119337f5c4dfeae46d3aa2dc6b67f 9e1ae3685fe3436a9ed551edca102737 - - default default] [instance: caf94c4a-a708-475c-a5d0-fcd246b30c2e] 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 caf94c4a-a708-475c-a5d0-fcd246b30c2e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 07:57:56.158 12 WARNING nova.scheduler.utils [None req-553db8da-87e6-4dd5-868c-085f2e49485d 899119337f5c4dfeae46d3aa2dc6b67f 9e1ae3685fe3436a9ed551edca102737 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance caf94c4a-a708-475c-a5d0-fcd246b30c2e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance caf94c4a-a708-475c-a5d0-fcd246b30c2e.
2026-07-21 07:57:56.159 12 WARNING nova.scheduler.utils [None req-553db8da-87e6-4dd5-868c-085f2e49485d 899119337f5c4dfeae46d3aa2dc6b67f 9e1ae3685fe3436a9ed551edca102737 - - default default] [instance: caf94c4a-a708-475c-a5d0-fcd246b30c2e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance caf94c4a-a708-475c-a5d0-fcd246b30c2e.
2026-07-21 07:57:56.232 12 WARNING neutronclient.v2_0.client [None req-553db8da-87e6-4dd5-868c-085f2e49485d 899119337f5c4dfeae46d3aa2dc6b67f 9e1ae3685fe3436a9ed551edca102737 - - 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 caf94c4a-a708-475c-a5d0-fcd246b30c2e.
2026-07-21 07:57:56.269 12 WARNING neutronclient.v2_0.client [None req-553db8da-87e6-4dd5-868c-085f2e49485d 899119337f5c4dfeae46d3aa2dc6b67f 9e1ae3685fe3436a9ed551edca102737 - - 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 caf94c4a-a708-475c-a5d0-fcd246b30c2e.
2026-07-21 07:58:32.119 10 ERROR nova.scheduler.utils [None req-28289c14-c78a-4553-b7d0-12ad7b0ba2d1 f15b7f8eef304514bb37c5d6608663e0 8a301e314eb54f429b6f0af8cd6778c5 - - default default] [instance: bb720ae2-e042-43f4-ba04-361974ca63ad] 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 bb720ae2-e042-43f4-ba04-361974ca63ad was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 07:58:32.120 10 WARNING nova.scheduler.utils [None req-28289c14-c78a-4553-b7d0-12ad7b0ba2d1 f15b7f8eef304514bb37c5d6608663e0 8a301e314eb54f429b6f0af8cd6778c5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bb720ae2-e042-43f4-ba04-361974ca63ad.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bb720ae2-e042-43f4-ba04-361974ca63ad.
2026-07-21 07:58:32.121 10 WARNING nova.scheduler.utils [None req-28289c14-c78a-4553-b7d0-12ad7b0ba2d1 f15b7f8eef304514bb37c5d6608663e0 8a301e314eb54f429b6f0af8cd6778c5 - - default default] [instance: bb720ae2-e042-43f4-ba04-361974ca63ad] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bb720ae2-e042-43f4-ba04-361974ca63ad.
2026-07-21 07:58:32.411 10 WARNING neutronclient.v2_0.client [None req-28289c14-c78a-4553-b7d0-12ad7b0ba2d1 f15b7f8eef304514bb37c5d6608663e0 8a301e314eb54f429b6f0af8cd6778c5 - - 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 bb720ae2-e042-43f4-ba04-361974ca63ad.
2026-07-21 07:58:32.436 10 WARNING neutronclient.v2_0.client [None req-28289c14-c78a-4553-b7d0-12ad7b0ba2d1 f15b7f8eef304514bb37c5d6608663e0 8a301e314eb54f429b6f0af8cd6778c5 - - 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 bb720ae2-e042-43f4-ba04-361974ca63ad.
2026-07-21 07:59:02.231 10 ERROR nova.scheduler.utils [None req-66012d80-58db-4d3e-abfe-133b8364aba3 ce3a911f76944296bdcf211664b083cd d4f971c908d949c9815cf56d0165428c - - default default] [instance: 557bc41b-842b-4973-946b-39e05e8604c4] 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 557bc41b-842b-4973-946b-39e05e8604c4 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-21 07:59:02.232 10 WARNING nova.scheduler.utils [None req-66012d80-58db-4d3e-abfe-133b8364aba3 ce3a911f76944296bdcf211664b083cd d4f971c908d949c9815cf56d0165428c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 557bc41b-842b-4973-946b-39e05e8604c4.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 557bc41b-842b-4973-946b-39e05e8604c4.
2026-07-21 07:59:02.233 10 WARNING nova.scheduler.utils [None req-66012d80-58db-4d3e-abfe-133b8364aba3 ce3a911f76944296bdcf211664b083cd d4f971c908d949c9815cf56d0165428c - - default default] [instance: 557bc41b-842b-4973-946b-39e05e8604c4] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 557bc41b-842b-4973-946b-39e05e8604c4.
2026-07-21 07:59:02.304 10 WARNING neutronclient.v2_0.client [None req-66012d80-58db-4d3e-abfe-133b8364aba3 ce3a911f76944296bdcf211664b083cd d4f971c908d949c9815cf56d0165428c - - 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 557bc41b-842b-4973-946b-39e05e8604c4.
2026-07-21 07:59:02.350 10 WARNING neutronclient.v2_0.client [None req-66012d80-58db-4d3e-abfe-133b8364aba3 ce3a911f76944296bdcf211664b083cd d4f971c908d949c9815cf56d0165428c - - 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 557bc41b-842b-4973-946b-39e05e8604c4.