+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-09-14 01:35:35.068 1 INFO nova.utils [None req-ad1728e8-60a7-40e7-ac09-9681d2e7662d - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-09-14 01:35:35.249 1 INFO nova.utils [None req-ad1728e8-60a7-40e7-ac09-9681d2e7662d - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-09-14 01:35:36.249 1 INFO nova.utils [None req-ad1728e8-60a7-40e7-ac09-9681d2e7662d - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-09-14 01:35:36.252 1 WARNING oslo_service.backend._threading.service [None req-ad1728e8-60a7-40e7-ac09-9681d2e7662d - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-09-14 01:35:36.267 1 WARNING oslo_config.cfg [None req-ad1728e8-60a7-40e7-ac09-9681d2e7662d - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.
2026-09-14 01:35:36.327 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-09-14 01:35:36.341 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-09-14 02:18:01.448 12 INFO nova.utils [None req-40b09038-b68c-474b-b739-a0683a469f9a 3466f02906044ea1a278a0e086f603cb c9ef9b4e7b3d47358bbd19107c5994d5 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-09-14 02:18:01.605 12 INFO nova.compute.rpcapi [None req-4b721592-506a-424f-9221-b330594b4748 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-09-14 02:18:16.582 10 INFO nova.utils [None req-579a3371-2833-42e2-a0b1-614c3023eb22 84a638c5ee014c7aa14cce068c511a45 683dc44e696242aca18135b33e899176 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-09-14 02:18:16.766 10 INFO nova.compute.rpcapi [None req-49f03390-8345-4399-9fb3-b7e57c5157f3 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-09-14 02:18:17.840 12 ERROR nova.scheduler.utils [None req-40b09038-b68c-474b-b739-a0683a469f9a 3466f02906044ea1a278a0e086f603cb c9ef9b4e7b3d47358bbd19107c5994d5 - - default default] [instance: 4a786495-9d4d-40dd-85c5-9aea2d7a2dc6] 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 4a786495-9d4d-40dd-85c5-9aea2d7a2dc6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 02:18:17.841 12 WARNING nova.scheduler.utils [None req-40b09038-b68c-474b-b739-a0683a469f9a 3466f02906044ea1a278a0e086f603cb c9ef9b4e7b3d47358bbd19107c5994d5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4a786495-9d4d-40dd-85c5-9aea2d7a2dc6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4a786495-9d4d-40dd-85c5-9aea2d7a2dc6.
2026-09-14 02:18:17.842 12 WARNING nova.scheduler.utils [None req-40b09038-b68c-474b-b739-a0683a469f9a 3466f02906044ea1a278a0e086f603cb c9ef9b4e7b3d47358bbd19107c5994d5 - - default default] [instance: 4a786495-9d4d-40dd-85c5-9aea2d7a2dc6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4a786495-9d4d-40dd-85c5-9aea2d7a2dc6.
2026-09-14 02:18:18.009 12 WARNING neutronclient.v2_0.client [None req-40b09038-b68c-474b-b739-a0683a469f9a 3466f02906044ea1a278a0e086f603cb c9ef9b4e7b3d47358bbd19107c5994d5 - - 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 4a786495-9d4d-40dd-85c5-9aea2d7a2dc6.
2026-09-14 02:18:18.690 12 WARNING neutronclient.v2_0.client [None req-40b09038-b68c-474b-b739-a0683a469f9a 3466f02906044ea1a278a0e086f603cb c9ef9b4e7b3d47358bbd19107c5994d5 - - 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 4a786495-9d4d-40dd-85c5-9aea2d7a2dc6.
2026-09-14 02:18:28.496 12 ERROR nova.scheduler.utils [None req-76d93a9c-0df2-48bf-8da4-72306aaa12ee dfb56872634347278f036291cba9ff56 5dc7758fdbf9462db48df1457ebe854b - - default default] [instance: f08cc175-802f-4718-95f0-c2e06be57ef3] 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 f08cc175-802f-4718-95f0-c2e06be57ef3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 02:18:28.497 12 WARNING nova.scheduler.utils [None req-76d93a9c-0df2-48bf-8da4-72306aaa12ee dfb56872634347278f036291cba9ff56 5dc7758fdbf9462db48df1457ebe854b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f08cc175-802f-4718-95f0-c2e06be57ef3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f08cc175-802f-4718-95f0-c2e06be57ef3.
2026-09-14 02:18:28.497 12 WARNING nova.scheduler.utils [None req-76d93a9c-0df2-48bf-8da4-72306aaa12ee dfb56872634347278f036291cba9ff56 5dc7758fdbf9462db48df1457ebe854b - - default default] [instance: f08cc175-802f-4718-95f0-c2e06be57ef3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f08cc175-802f-4718-95f0-c2e06be57ef3.
2026-09-14 02:18:28.588 12 WARNING neutronclient.v2_0.client [None req-76d93a9c-0df2-48bf-8da4-72306aaa12ee dfb56872634347278f036291cba9ff56 5dc7758fdbf9462db48df1457ebe854b - - 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 f08cc175-802f-4718-95f0-c2e06be57ef3.
2026-09-14 02:18:28.634 12 WARNING neutronclient.v2_0.client [None req-76d93a9c-0df2-48bf-8da4-72306aaa12ee dfb56872634347278f036291cba9ff56 5dc7758fdbf9462db48df1457ebe854b - - 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 f08cc175-802f-4718-95f0-c2e06be57ef3.
2026-09-14 02:18:30.324 12 ERROR nova.scheduler.utils [None req-579a3371-2833-42e2-a0b1-614c3023eb22 84a638c5ee014c7aa14cce068c511a45 683dc44e696242aca18135b33e899176 - - default default] [instance: 655a7440-249a-454b-9b53-81609abf6cda] 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 655a7440-249a-454b-9b53-81609abf6cda was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 02:18:30.324 12 WARNING nova.scheduler.utils [None req-579a3371-2833-42e2-a0b1-614c3023eb22 84a638c5ee014c7aa14cce068c511a45 683dc44e696242aca18135b33e899176 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 655a7440-249a-454b-9b53-81609abf6cda.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 655a7440-249a-454b-9b53-81609abf6cda.
2026-09-14 02:18:30.325 12 WARNING nova.scheduler.utils [None req-579a3371-2833-42e2-a0b1-614c3023eb22 84a638c5ee014c7aa14cce068c511a45 683dc44e696242aca18135b33e899176 - - default default] [instance: 655a7440-249a-454b-9b53-81609abf6cda] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 655a7440-249a-454b-9b53-81609abf6cda.
2026-09-14 02:18:30.390 12 WARNING neutronclient.v2_0.client [None req-579a3371-2833-42e2-a0b1-614c3023eb22 84a638c5ee014c7aa14cce068c511a45 683dc44e696242aca18135b33e899176 - - 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 655a7440-249a-454b-9b53-81609abf6cda.
2026-09-14 02:18:30.431 12 WARNING neutronclient.v2_0.client [None req-579a3371-2833-42e2-a0b1-614c3023eb22 84a638c5ee014c7aa14cce068c511a45 683dc44e696242aca18135b33e899176 - - 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 655a7440-249a-454b-9b53-81609abf6cda.
2026-09-14 02:18:51.913 10 ERROR nova.scheduler.utils [None req-b82e847f-256d-4c9a-8187-81c1f496e515 621954c031744b4dae97370d10dc91f0 4eccef4a6202407ca5a84a392d120f38 - - default default] [instance: a5663d50-54ab-4be8-9bca-41e9dd236a66] 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 a5663d50-54ab-4be8-9bca-41e9dd236a66 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 02:18:51.915 10 WARNING nova.scheduler.utils [None req-b82e847f-256d-4c9a-8187-81c1f496e515 621954c031744b4dae97370d10dc91f0 4eccef4a6202407ca5a84a392d120f38 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a5663d50-54ab-4be8-9bca-41e9dd236a66.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a5663d50-54ab-4be8-9bca-41e9dd236a66.
2026-09-14 02:18:51.916 10 WARNING nova.scheduler.utils [None req-b82e847f-256d-4c9a-8187-81c1f496e515 621954c031744b4dae97370d10dc91f0 4eccef4a6202407ca5a84a392d120f38 - - default default] [instance: a5663d50-54ab-4be8-9bca-41e9dd236a66] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a5663d50-54ab-4be8-9bca-41e9dd236a66.
2026-09-14 02:18:52.015 10 WARNING neutronclient.v2_0.client [None req-b82e847f-256d-4c9a-8187-81c1f496e515 621954c031744b4dae97370d10dc91f0 4eccef4a6202407ca5a84a392d120f38 - - 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 a5663d50-54ab-4be8-9bca-41e9dd236a66.
2026-09-14 02:18:52.530 10 WARNING neutronclient.v2_0.client [None req-b82e847f-256d-4c9a-8187-81c1f496e515 621954c031744b4dae97370d10dc91f0 4eccef4a6202407ca5a84a392d120f38 - - 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 a5663d50-54ab-4be8-9bca-41e9dd236a66.
2026-09-14 02:18:58.851 10 ERROR nova.scheduler.utils [None req-22868510-31e4-4fd7-9819-e2cab5016069 f93f6bf822d743da9be803c23440381f ef07dd23e645428fae82c3cf1ea39aaf - - default default] [instance: 83a6f674-05b5-4b02-94bd-067a19b78a85] 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 83a6f674-05b5-4b02-94bd-067a19b78a85 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 02:18:58.852 10 WARNING nova.scheduler.utils [None req-22868510-31e4-4fd7-9819-e2cab5016069 f93f6bf822d743da9be803c23440381f ef07dd23e645428fae82c3cf1ea39aaf - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 83a6f674-05b5-4b02-94bd-067a19b78a85.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 83a6f674-05b5-4b02-94bd-067a19b78a85.
2026-09-14 02:18:58.852 10 WARNING nova.scheduler.utils [None req-22868510-31e4-4fd7-9819-e2cab5016069 f93f6bf822d743da9be803c23440381f ef07dd23e645428fae82c3cf1ea39aaf - - default default] [instance: 83a6f674-05b5-4b02-94bd-067a19b78a85] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 83a6f674-05b5-4b02-94bd-067a19b78a85.
2026-09-14 02:18:58.905 10 WARNING neutronclient.v2_0.client [None req-22868510-31e4-4fd7-9819-e2cab5016069 f93f6bf822d743da9be803c23440381f ef07dd23e645428fae82c3cf1ea39aaf - - 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 83a6f674-05b5-4b02-94bd-067a19b78a85.
2026-09-14 02:18:58.953 10 WARNING neutronclient.v2_0.client [None req-22868510-31e4-4fd7-9819-e2cab5016069 f93f6bf822d743da9be803c23440381f ef07dd23e645428fae82c3cf1ea39aaf - - 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 83a6f674-05b5-4b02-94bd-067a19b78a85.
2026-09-14 02:19:23.316 12 ERROR nova.scheduler.utils [None req-4cd9a3d6-fbdb-48ed-bc57-9fdae1d6b18b 99dda050a5f2449f97a806d018e894ec 9a53411d2a9442a1b52d4cb7a27e6ceb - - default default] [instance: 70cda566-79c2-4d18-a22c-4a07f1f39140] 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 70cda566-79c2-4d18-a22c-4a07f1f39140 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 02:19:23.317 12 WARNING nova.scheduler.utils [None req-4cd9a3d6-fbdb-48ed-bc57-9fdae1d6b18b 99dda050a5f2449f97a806d018e894ec 9a53411d2a9442a1b52d4cb7a27e6ceb - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 70cda566-79c2-4d18-a22c-4a07f1f39140.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 70cda566-79c2-4d18-a22c-4a07f1f39140.
2026-09-14 02:19:23.317 12 WARNING nova.scheduler.utils [None req-4cd9a3d6-fbdb-48ed-bc57-9fdae1d6b18b 99dda050a5f2449f97a806d018e894ec 9a53411d2a9442a1b52d4cb7a27e6ceb - - default default] [instance: 70cda566-79c2-4d18-a22c-4a07f1f39140] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 70cda566-79c2-4d18-a22c-4a07f1f39140.
2026-09-14 02:19:23.417 12 WARNING neutronclient.v2_0.client [None req-4cd9a3d6-fbdb-48ed-bc57-9fdae1d6b18b 99dda050a5f2449f97a806d018e894ec 9a53411d2a9442a1b52d4cb7a27e6ceb - - 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 70cda566-79c2-4d18-a22c-4a07f1f39140.
2026-09-14 02:19:23.453 12 WARNING neutronclient.v2_0.client [None req-4cd9a3d6-fbdb-48ed-bc57-9fdae1d6b18b 99dda050a5f2449f97a806d018e894ec 9a53411d2a9442a1b52d4cb7a27e6ceb - - 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 70cda566-79c2-4d18-a22c-4a07f1f39140.
2026-09-14 02:19:35.525 12 ERROR nova.scheduler.utils [None req-1482b139-e9e2-41eb-a4a8-68f05c8d8c05 32535c55db814e2ba518a3654686baf5 b3ffd634e1524d81bb628c54e35a3f8c - - default default] [instance: 936c3142-289c-46bf-acbf-699b79acea89] 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 936c3142-289c-46bf-acbf-699b79acea89 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 02:19:35.526 12 WARNING nova.scheduler.utils [None req-1482b139-e9e2-41eb-a4a8-68f05c8d8c05 32535c55db814e2ba518a3654686baf5 b3ffd634e1524d81bb628c54e35a3f8c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 936c3142-289c-46bf-acbf-699b79acea89.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 936c3142-289c-46bf-acbf-699b79acea89.
2026-09-14 02:19:35.526 12 WARNING nova.scheduler.utils [None req-1482b139-e9e2-41eb-a4a8-68f05c8d8c05 32535c55db814e2ba518a3654686baf5 b3ffd634e1524d81bb628c54e35a3f8c - - default default] [instance: 936c3142-289c-46bf-acbf-699b79acea89] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 936c3142-289c-46bf-acbf-699b79acea89.
2026-09-14 02:19:35.593 12 WARNING neutronclient.v2_0.client [None req-1482b139-e9e2-41eb-a4a8-68f05c8d8c05 32535c55db814e2ba518a3654686baf5 b3ffd634e1524d81bb628c54e35a3f8c - - 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 936c3142-289c-46bf-acbf-699b79acea89.
2026-09-14 02:19:35.621 12 WARNING neutronclient.v2_0.client [None req-1482b139-e9e2-41eb-a4a8-68f05c8d8c05 32535c55db814e2ba518a3654686baf5 b3ffd634e1524d81bb628c54e35a3f8c - - 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 936c3142-289c-46bf-acbf-699b79acea89.
2026-09-14 02:20:33.005 10 ERROR nova.scheduler.utils [None req-71c5db78-7942-4353-9ee1-cd58d14b6495 06bb82c9b1f4425fb0edae717d61f554 9d8e681ef8214b6c9d50f6f6377ad884 - - default default] [instance: 9a062ea8-bef5-4c74-bbdc-607991f353f6] 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 9a062ea8-bef5-4c74-bbdc-607991f353f6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 02:20:33.006 10 WARNING nova.scheduler.utils [None req-71c5db78-7942-4353-9ee1-cd58d14b6495 06bb82c9b1f4425fb0edae717d61f554 9d8e681ef8214b6c9d50f6f6377ad884 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9a062ea8-bef5-4c74-bbdc-607991f353f6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9a062ea8-bef5-4c74-bbdc-607991f353f6.
2026-09-14 02:20:33.006 10 WARNING nova.scheduler.utils [None req-71c5db78-7942-4353-9ee1-cd58d14b6495 06bb82c9b1f4425fb0edae717d61f554 9d8e681ef8214b6c9d50f6f6377ad884 - - default default] [instance: 9a062ea8-bef5-4c74-bbdc-607991f353f6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9a062ea8-bef5-4c74-bbdc-607991f353f6.
2026-09-14 02:20:33.056 10 WARNING neutronclient.v2_0.client [None req-71c5db78-7942-4353-9ee1-cd58d14b6495 06bb82c9b1f4425fb0edae717d61f554 9d8e681ef8214b6c9d50f6f6377ad884 - - 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 9a062ea8-bef5-4c74-bbdc-607991f353f6.
2026-09-14 02:20:33.097 10 WARNING neutronclient.v2_0.client [None req-71c5db78-7942-4353-9ee1-cd58d14b6495 06bb82c9b1f4425fb0edae717d61f554 9d8e681ef8214b6c9d50f6f6377ad884 - - 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 9a062ea8-bef5-4c74-bbdc-607991f353f6.
2026-09-14 02:21:06.930 10 ERROR nova.scheduler.utils [None req-94e04fb7-fa88-4454-aee8-6a11748e191d b78cc95a8aad4ea288ccdcdc93357c58 e7f5d8f2c7c64293b382423bc77e021d - - default default] [instance: c6f0ec06-61cd-469b-b93a-eaa48bcdcd6f] 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 c6f0ec06-61cd-469b-b93a-eaa48bcdcd6f was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 02:21:06.931 10 WARNING nova.scheduler.utils [None req-94e04fb7-fa88-4454-aee8-6a11748e191d b78cc95a8aad4ea288ccdcdc93357c58 e7f5d8f2c7c64293b382423bc77e021d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c6f0ec06-61cd-469b-b93a-eaa48bcdcd6f.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c6f0ec06-61cd-469b-b93a-eaa48bcdcd6f.
2026-09-14 02:21:06.934 10 WARNING nova.scheduler.utils [None req-94e04fb7-fa88-4454-aee8-6a11748e191d b78cc95a8aad4ea288ccdcdc93357c58 e7f5d8f2c7c64293b382423bc77e021d - - default default] [instance: c6f0ec06-61cd-469b-b93a-eaa48bcdcd6f] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c6f0ec06-61cd-469b-b93a-eaa48bcdcd6f.
2026-09-14 02:21:07.003 10 WARNING neutronclient.v2_0.client [None req-94e04fb7-fa88-4454-aee8-6a11748e191d b78cc95a8aad4ea288ccdcdc93357c58 e7f5d8f2c7c64293b382423bc77e021d - - 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 c6f0ec06-61cd-469b-b93a-eaa48bcdcd6f.
2026-09-14 02:21:07.482 10 WARNING neutronclient.v2_0.client [None req-94e04fb7-fa88-4454-aee8-6a11748e191d b78cc95a8aad4ea288ccdcdc93357c58 e7f5d8f2c7c64293b382423bc77e021d - - 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 c6f0ec06-61cd-469b-b93a-eaa48bcdcd6f.
2026-09-14 02:21:37.269 12 ERROR nova.scheduler.utils [None req-cdd89180-4e7b-4f59-b470-220add5fbb65 d5457eaea29543b998ad09b3fa174ea6 ef83e75d5d654f83a7eb8e5ef5f099e3 - - default default] [instance: c2107115-379a-46d4-95fa-e44fb398f5e6] 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 c2107115-379a-46d4-95fa-e44fb398f5e6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-14 02:21:37.270 12 WARNING nova.scheduler.utils [None req-cdd89180-4e7b-4f59-b470-220add5fbb65 d5457eaea29543b998ad09b3fa174ea6 ef83e75d5d654f83a7eb8e5ef5f099e3 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c2107115-379a-46d4-95fa-e44fb398f5e6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c2107115-379a-46d4-95fa-e44fb398f5e6.
2026-09-14 02:21:37.271 12 WARNING nova.scheduler.utils [None req-cdd89180-4e7b-4f59-b470-220add5fbb65 d5457eaea29543b998ad09b3fa174ea6 ef83e75d5d654f83a7eb8e5ef5f099e3 - - default default] [instance: c2107115-379a-46d4-95fa-e44fb398f5e6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c2107115-379a-46d4-95fa-e44fb398f5e6.
2026-09-14 02:21:37.320 12 WARNING neutronclient.v2_0.client [None req-cdd89180-4e7b-4f59-b470-220add5fbb65 d5457eaea29543b998ad09b3fa174ea6 ef83e75d5d654f83a7eb8e5ef5f099e3 - - 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 c2107115-379a-46d4-95fa-e44fb398f5e6.
2026-09-14 02:21:37.360 12 WARNING neutronclient.v2_0.client [None req-cdd89180-4e7b-4f59-b470-220add5fbb65 d5457eaea29543b998ad09b3fa174ea6 ef83e75d5d654f83a7eb8e5ef5f099e3 - - 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 c2107115-379a-46d4-95fa-e44fb398f5e6.