+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-17 04:18:14.124 1 INFO nova.utils [None req-e1920770-9899-4973-a745-670f36acf09d - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-17 04:18:14.288 1 INFO nova.utils [None req-e1920770-9899-4973-a745-670f36acf09d - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-17 04:18:15.288 1 INFO nova.utils [None req-e1920770-9899-4973-a745-670f36acf09d - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-17 04:18:15.289 1 WARNING oslo_service.backend._threading.service [None req-e1920770-9899-4973-a745-670f36acf09d - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-17 04:18:15.295 1 WARNING oslo_config.cfg [None req-e1920770-9899-4973-a745-670f36acf09d - - - - - -] 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.
2026-07-17 04:18:15.342 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-17 04:18:15.352 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-17 04:57:41.064 12 INFO nova.utils [None req-1831038d-a0a6-4c02-8526-d98d6b04db9f 1d2d6db1f2b84144877f12f99a389d54 dda1b31d3b134ece8452cd925b197509 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-17 04:57:41.223 12 INFO nova.compute.rpcapi [None req-576b889d-5082-4e68-a869-8889a4c9d0bb - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-17 04:57:55.875 10 INFO nova.utils [None req-1dbc8026-6cc4-47cf-81c1-2d91a1a8da38 90a9489a17dd4dac9594d9e02f2112d2 7ea23ec9832e4deaaa709a8de2e0170d - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-17 04:57:56.031 10 INFO nova.compute.rpcapi [None req-0fe43013-26b7-474b-863e-323047fd102d - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-17 04:58:03.479 10 ERROR nova.scheduler.utils [None req-1831038d-a0a6-4c02-8526-d98d6b04db9f 1d2d6db1f2b84144877f12f99a389d54 dda1b31d3b134ece8452cd925b197509 - - default default] [instance: eed7fc54-6a66-48b9-aa15-d98e87aa09c2] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance eed7fc54-6a66-48b9-aa15-d98e87aa09c2 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 04:58:03.480 10 WARNING nova.scheduler.utils [None req-1831038d-a0a6-4c02-8526-d98d6b04db9f 1d2d6db1f2b84144877f12f99a389d54 dda1b31d3b134ece8452cd925b197509 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eed7fc54-6a66-48b9-aa15-d98e87aa09c2.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eed7fc54-6a66-48b9-aa15-d98e87aa09c2.
2026-07-17 04:58:03.480 10 WARNING nova.scheduler.utils [None req-1831038d-a0a6-4c02-8526-d98d6b04db9f 1d2d6db1f2b84144877f12f99a389d54 dda1b31d3b134ece8452cd925b197509 - - default default] [instance: eed7fc54-6a66-48b9-aa15-d98e87aa09c2] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eed7fc54-6a66-48b9-aa15-d98e87aa09c2.
2026-07-17 04:58:03.571 10 WARNING neutronclient.v2_0.client [None req-1831038d-a0a6-4c02-8526-d98d6b04db9f 1d2d6db1f2b84144877f12f99a389d54 dda1b31d3b134ece8452cd925b197509 - - 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 eed7fc54-6a66-48b9-aa15-d98e87aa09c2.
2026-07-17 04:58:04.201 10 WARNING neutronclient.v2_0.client [None req-1831038d-a0a6-4c02-8526-d98d6b04db9f 1d2d6db1f2b84144877f12f99a389d54 dda1b31d3b134ece8452cd925b197509 - - 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 eed7fc54-6a66-48b9-aa15-d98e87aa09c2.
2026-07-17 04:58:09.908 12 ERROR nova.scheduler.utils [None req-1dbc8026-6cc4-47cf-81c1-2d91a1a8da38 90a9489a17dd4dac9594d9e02f2112d2 7ea23ec9832e4deaaa709a8de2e0170d - - default default] [instance: 87c55e9b-9197-442d-af0d-8e32d9278752] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 87c55e9b-9197-442d-af0d-8e32d9278752 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 04:58:09.910 12 WARNING nova.scheduler.utils [None req-1dbc8026-6cc4-47cf-81c1-2d91a1a8da38 90a9489a17dd4dac9594d9e02f2112d2 7ea23ec9832e4deaaa709a8de2e0170d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 87c55e9b-9197-442d-af0d-8e32d9278752.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 87c55e9b-9197-442d-af0d-8e32d9278752.
2026-07-17 04:58:09.910 12 WARNING nova.scheduler.utils [None req-1dbc8026-6cc4-47cf-81c1-2d91a1a8da38 90a9489a17dd4dac9594d9e02f2112d2 7ea23ec9832e4deaaa709a8de2e0170d - - default default] [instance: 87c55e9b-9197-442d-af0d-8e32d9278752] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 87c55e9b-9197-442d-af0d-8e32d9278752.
2026-07-17 04:58:10.006 12 WARNING neutronclient.v2_0.client [None req-1dbc8026-6cc4-47cf-81c1-2d91a1a8da38 90a9489a17dd4dac9594d9e02f2112d2 7ea23ec9832e4deaaa709a8de2e0170d - - 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 87c55e9b-9197-442d-af0d-8e32d9278752.
2026-07-17 04:58:10.689 12 WARNING neutronclient.v2_0.client [None req-1dbc8026-6cc4-47cf-81c1-2d91a1a8da38 90a9489a17dd4dac9594d9e02f2112d2 7ea23ec9832e4deaaa709a8de2e0170d - - 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 87c55e9b-9197-442d-af0d-8e32d9278752.
2026-07-17 04:58:15.785 12 ERROR nova.scheduler.utils [None req-46ff8cfa-fcf3-4532-bc52-524b96aa7673 eae36f540e53415f98e3fd5ce557462d 5bc071c6a7044cd1a21287ea823846fe - - default default] [instance: 8ec8c7b9-ea43-4bdd-b30c-907f500eb3bf] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 8ec8c7b9-ea43-4bdd-b30c-907f500eb3bf was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 04:58:15.786 12 WARNING nova.scheduler.utils [None req-46ff8cfa-fcf3-4532-bc52-524b96aa7673 eae36f540e53415f98e3fd5ce557462d 5bc071c6a7044cd1a21287ea823846fe - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8ec8c7b9-ea43-4bdd-b30c-907f500eb3bf.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8ec8c7b9-ea43-4bdd-b30c-907f500eb3bf.
2026-07-17 04:58:15.786 12 WARNING nova.scheduler.utils [None req-46ff8cfa-fcf3-4532-bc52-524b96aa7673 eae36f540e53415f98e3fd5ce557462d 5bc071c6a7044cd1a21287ea823846fe - - default default] [instance: 8ec8c7b9-ea43-4bdd-b30c-907f500eb3bf] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8ec8c7b9-ea43-4bdd-b30c-907f500eb3bf.
2026-07-17 04:58:15.833 12 WARNING neutronclient.v2_0.client [None req-46ff8cfa-fcf3-4532-bc52-524b96aa7673 eae36f540e53415f98e3fd5ce557462d 5bc071c6a7044cd1a21287ea823846fe - - 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 8ec8c7b9-ea43-4bdd-b30c-907f500eb3bf.
2026-07-17 04:58:16.363 12 WARNING neutronclient.v2_0.client [None req-46ff8cfa-fcf3-4532-bc52-524b96aa7673 eae36f540e53415f98e3fd5ce557462d 5bc071c6a7044cd1a21287ea823846fe - - 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 8ec8c7b9-ea43-4bdd-b30c-907f500eb3bf.
2026-07-17 04:58:42.688 12 ERROR nova.scheduler.utils [None req-5c9a5659-e284-4076-a9f7-a85b492e4c09 9e48a9b1130e4de1983217af87abfb3b 4eae98bbab0a4f0f9eb46fcec79cbb50 - - default default] [instance: d39e4947-75f5-4041-9b94-f758a881b0cc] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d39e4947-75f5-4041-9b94-f758a881b0cc was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 04:58:42.689 12 WARNING nova.scheduler.utils [None req-5c9a5659-e284-4076-a9f7-a85b492e4c09 9e48a9b1130e4de1983217af87abfb3b 4eae98bbab0a4f0f9eb46fcec79cbb50 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d39e4947-75f5-4041-9b94-f758a881b0cc.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d39e4947-75f5-4041-9b94-f758a881b0cc.
2026-07-17 04:58:42.689 12 WARNING nova.scheduler.utils [None req-5c9a5659-e284-4076-a9f7-a85b492e4c09 9e48a9b1130e4de1983217af87abfb3b 4eae98bbab0a4f0f9eb46fcec79cbb50 - - default default] [instance: d39e4947-75f5-4041-9b94-f758a881b0cc] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d39e4947-75f5-4041-9b94-f758a881b0cc.
2026-07-17 04:58:42.738 12 WARNING neutronclient.v2_0.client [None req-5c9a5659-e284-4076-a9f7-a85b492e4c09 9e48a9b1130e4de1983217af87abfb3b 4eae98bbab0a4f0f9eb46fcec79cbb50 - - 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 d39e4947-75f5-4041-9b94-f758a881b0cc.
2026-07-17 04:58:42.768 12 WARNING neutronclient.v2_0.client [None req-5c9a5659-e284-4076-a9f7-a85b492e4c09 9e48a9b1130e4de1983217af87abfb3b 4eae98bbab0a4f0f9eb46fcec79cbb50 - - 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 d39e4947-75f5-4041-9b94-f758a881b0cc.
2026-07-17 04:58:47.475 10 ERROR nova.scheduler.utils [None req-b5c0281c-3ba8-46d1-9caa-171048897925 f1b7edc075a346f38a0106d59f03e4fa ea7e56233b03466fba9e26ee59f99e84 - - default default] [instance: dc9c04d7-620b-499e-af7e-dd244e5e36c3] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance dc9c04d7-620b-499e-af7e-dd244e5e36c3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 04:58:47.476 10 WARNING nova.scheduler.utils [None req-b5c0281c-3ba8-46d1-9caa-171048897925 f1b7edc075a346f38a0106d59f03e4fa ea7e56233b03466fba9e26ee59f99e84 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc9c04d7-620b-499e-af7e-dd244e5e36c3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc9c04d7-620b-499e-af7e-dd244e5e36c3.
2026-07-17 04:58:47.477 10 WARNING nova.scheduler.utils [None req-b5c0281c-3ba8-46d1-9caa-171048897925 f1b7edc075a346f38a0106d59f03e4fa ea7e56233b03466fba9e26ee59f99e84 - - default default] [instance: dc9c04d7-620b-499e-af7e-dd244e5e36c3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dc9c04d7-620b-499e-af7e-dd244e5e36c3.
2026-07-17 04:58:47.533 10 WARNING neutronclient.v2_0.client [None req-b5c0281c-3ba8-46d1-9caa-171048897925 f1b7edc075a346f38a0106d59f03e4fa ea7e56233b03466fba9e26ee59f99e84 - - 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 dc9c04d7-620b-499e-af7e-dd244e5e36c3.
2026-07-17 04:58:47.563 10 WARNING neutronclient.v2_0.client [None req-b5c0281c-3ba8-46d1-9caa-171048897925 f1b7edc075a346f38a0106d59f03e4fa ea7e56233b03466fba9e26ee59f99e84 - - 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 dc9c04d7-620b-499e-af7e-dd244e5e36c3.
2026-07-17 04:58:48.980 10 ERROR nova.scheduler.utils [None req-60afecf5-1b69-4d58-9d40-98a1aa8b0101 99568b0711e84589800acab89beb54db 5aca19b3bcd94dd79a1ab7fcb98f07dc - - default default] [instance: 920d7fe1-c937-4987-85d1-15e18810c8e9] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 920d7fe1-c937-4987-85d1-15e18810c8e9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 04:58:48.980 10 WARNING nova.scheduler.utils [None req-60afecf5-1b69-4d58-9d40-98a1aa8b0101 99568b0711e84589800acab89beb54db 5aca19b3bcd94dd79a1ab7fcb98f07dc - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 920d7fe1-c937-4987-85d1-15e18810c8e9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 920d7fe1-c937-4987-85d1-15e18810c8e9.
2026-07-17 04:58:48.981 10 WARNING nova.scheduler.utils [None req-60afecf5-1b69-4d58-9d40-98a1aa8b0101 99568b0711e84589800acab89beb54db 5aca19b3bcd94dd79a1ab7fcb98f07dc - - default default] [instance: 920d7fe1-c937-4987-85d1-15e18810c8e9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 920d7fe1-c937-4987-85d1-15e18810c8e9.
2026-07-17 04:58:49.021 10 WARNING neutronclient.v2_0.client [None req-60afecf5-1b69-4d58-9d40-98a1aa8b0101 99568b0711e84589800acab89beb54db 5aca19b3bcd94dd79a1ab7fcb98f07dc - - 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 920d7fe1-c937-4987-85d1-15e18810c8e9.
2026-07-17 04:58:49.275 10 WARNING neutronclient.v2_0.client [None req-60afecf5-1b69-4d58-9d40-98a1aa8b0101 99568b0711e84589800acab89beb54db 5aca19b3bcd94dd79a1ab7fcb98f07dc - - 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 920d7fe1-c937-4987-85d1-15e18810c8e9.
2026-07-17 05:00:50.957 10 ERROR nova.scheduler.utils [None req-297d4b4d-6aac-4041-84da-8427aebbaaae 0b70e107dbd34e4fa744d887881a9b90 3b7db21117914cea9e8f495d7c420e17 - - default default] [instance: 97cb4e95-ecaa-409a-98a1-7429e0ded69e] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 97cb4e95-ecaa-409a-98a1-7429e0ded69e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 05:00:50.959 10 WARNING nova.scheduler.utils [None req-297d4b4d-6aac-4041-84da-8427aebbaaae 0b70e107dbd34e4fa744d887881a9b90 3b7db21117914cea9e8f495d7c420e17 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 97cb4e95-ecaa-409a-98a1-7429e0ded69e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 97cb4e95-ecaa-409a-98a1-7429e0ded69e.
2026-07-17 05:00:50.959 10 WARNING nova.scheduler.utils [None req-297d4b4d-6aac-4041-84da-8427aebbaaae 0b70e107dbd34e4fa744d887881a9b90 3b7db21117914cea9e8f495d7c420e17 - - default default] [instance: 97cb4e95-ecaa-409a-98a1-7429e0ded69e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 97cb4e95-ecaa-409a-98a1-7429e0ded69e.
2026-07-17 05:00:51.003 10 WARNING neutronclient.v2_0.client [None req-297d4b4d-6aac-4041-84da-8427aebbaaae 0b70e107dbd34e4fa744d887881a9b90 3b7db21117914cea9e8f495d7c420e17 - - 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 97cb4e95-ecaa-409a-98a1-7429e0ded69e.
2026-07-17 05:00:51.037 10 WARNING neutronclient.v2_0.client [None req-297d4b4d-6aac-4041-84da-8427aebbaaae 0b70e107dbd34e4fa744d887881a9b90 3b7db21117914cea9e8f495d7c420e17 - - 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 97cb4e95-ecaa-409a-98a1-7429e0ded69e.
2026-07-17 05:01:31.674 12 ERROR nova.scheduler.utils [None req-7b26527d-e3fa-4588-bcf0-5785a48a0d7a 8166287d9996400f8e3b2b541748a5a6 761c47e1bf454293b5ed1ea17806db7b - - default default] [instance: 0b8b8401-2d3a-424a-be28-fa9f98a92ba7] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 0b8b8401-2d3a-424a-be28-fa9f98a92ba7 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 05:01:31.675 12 WARNING nova.scheduler.utils [None req-7b26527d-e3fa-4588-bcf0-5785a48a0d7a 8166287d9996400f8e3b2b541748a5a6 761c47e1bf454293b5ed1ea17806db7b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0b8b8401-2d3a-424a-be28-fa9f98a92ba7.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0b8b8401-2d3a-424a-be28-fa9f98a92ba7.
2026-07-17 05:01:31.675 12 WARNING nova.scheduler.utils [None req-7b26527d-e3fa-4588-bcf0-5785a48a0d7a 8166287d9996400f8e3b2b541748a5a6 761c47e1bf454293b5ed1ea17806db7b - - default default] [instance: 0b8b8401-2d3a-424a-be28-fa9f98a92ba7] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0b8b8401-2d3a-424a-be28-fa9f98a92ba7.
2026-07-17 05:01:31.722 12 WARNING neutronclient.v2_0.client [None req-7b26527d-e3fa-4588-bcf0-5785a48a0d7a 8166287d9996400f8e3b2b541748a5a6 761c47e1bf454293b5ed1ea17806db7b - - 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 0b8b8401-2d3a-424a-be28-fa9f98a92ba7.
2026-07-17 05:01:31.750 12 WARNING neutronclient.v2_0.client [None req-7b26527d-e3fa-4588-bcf0-5785a48a0d7a 8166287d9996400f8e3b2b541748a5a6 761c47e1bf454293b5ed1ea17806db7b - - 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 0b8b8401-2d3a-424a-be28-fa9f98a92ba7.
2026-07-17 05:01:32.940 12 ERROR nova.scheduler.utils [None req-4eaa94fb-2ddb-45b4-8321-2afd72c51f4b 7fdd433f0dfe4bcc80febc45e5a1f4ab c702392a9e264373b63fb8abd820a661 - - default default] [instance: eb13d82e-a513-4059-84bb-07de62b4bca1] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance eb13d82e-a513-4059-84bb-07de62b4bca1 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 05:01:32.941 12 WARNING nova.scheduler.utils [None req-4eaa94fb-2ddb-45b4-8321-2afd72c51f4b 7fdd433f0dfe4bcc80febc45e5a1f4ab c702392a9e264373b63fb8abd820a661 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eb13d82e-a513-4059-84bb-07de62b4bca1.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eb13d82e-a513-4059-84bb-07de62b4bca1.
2026-07-17 05:01:32.941 12 WARNING nova.scheduler.utils [None req-4eaa94fb-2ddb-45b4-8321-2afd72c51f4b 7fdd433f0dfe4bcc80febc45e5a1f4ab c702392a9e264373b63fb8abd820a661 - - default default] [instance: eb13d82e-a513-4059-84bb-07de62b4bca1] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eb13d82e-a513-4059-84bb-07de62b4bca1.
2026-07-17 05:01:32.988 12 WARNING neutronclient.v2_0.client [None req-4eaa94fb-2ddb-45b4-8321-2afd72c51f4b 7fdd433f0dfe4bcc80febc45e5a1f4ab c702392a9e264373b63fb8abd820a661 - - 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 eb13d82e-a513-4059-84bb-07de62b4bca1.
2026-07-17 05:01:33.191 12 WARNING neutronclient.v2_0.client [None req-4eaa94fb-2ddb-45b4-8321-2afd72c51f4b 7fdd433f0dfe4bcc80febc45e5a1f4ab c702392a9e264373b63fb8abd820a661 - - 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 eb13d82e-a513-4059-84bb-07de62b4bca1.
2026-07-17 05:01:35.230 12 ERROR nova.scheduler.utils [None req-93a3f447-aef7-4ab3-90d6-746d2a68b44d 240bc5dadf314935bf9ba9915746e0f7 1bffdba3a94e4923af13bed764eaedaa - - default default] [instance: 666b7125-738e-458a-a5f1-681eb4723e05] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 4984, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8549, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1616, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 666b7125-738e-458a-a5f1-681eb4723e05 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-17 05:01:35.231 12 WARNING nova.scheduler.utils [None req-93a3f447-aef7-4ab3-90d6-746d2a68b44d 240bc5dadf314935bf9ba9915746e0f7 1bffdba3a94e4923af13bed764eaedaa - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 666b7125-738e-458a-a5f1-681eb4723e05.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 666b7125-738e-458a-a5f1-681eb4723e05.
2026-07-17 05:01:35.232 12 WARNING nova.scheduler.utils [None req-93a3f447-aef7-4ab3-90d6-746d2a68b44d 240bc5dadf314935bf9ba9915746e0f7 1bffdba3a94e4923af13bed764eaedaa - - default default] [instance: 666b7125-738e-458a-a5f1-681eb4723e05] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 666b7125-738e-458a-a5f1-681eb4723e05.
2026-07-17 05:01:35.274 12 WARNING neutronclient.v2_0.client [None req-93a3f447-aef7-4ab3-90d6-746d2a68b44d 240bc5dadf314935bf9ba9915746e0f7 1bffdba3a94e4923af13bed764eaedaa - - 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 666b7125-738e-458a-a5f1-681eb4723e05.
2026-07-17 05:01:35.300 12 WARNING neutronclient.v2_0.client [None req-93a3f447-aef7-4ab3-90d6-746d2a68b44d 240bc5dadf314935bf9ba9915746e0f7 1bffdba3a94e4923af13bed764eaedaa - - 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 666b7125-738e-458a-a5f1-681eb4723e05.