+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-09-15 12:01:05.292 1 INFO nova.utils [None req-4af80cc2-7156-4500-8cac-118560eea45e - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-09-15 12:01:05.489 1 INFO nova.utils [None req-4af80cc2-7156-4500-8cac-118560eea45e - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-09-15 12:01:06.490 1 INFO nova.utils [None req-4af80cc2-7156-4500-8cac-118560eea45e - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-09-15 12:01:06.493 1 WARNING oslo_service.backend._threading.service [None req-4af80cc2-7156-4500-8cac-118560eea45e - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-09-15 12:01:06.507 1 WARNING oslo_config.cfg [None req-4af80cc2-7156-4500-8cac-118560eea45e - - - - - -] 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.
2026-09-15 12:01:06.563 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-09-15 12:01:06.569 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-09-15 12:41:56.461 10 INFO nova.utils [None req-c26664e8-6681-4f3d-b9a7-cdfa0e6541d5 2a404c4c7352462f84cd8be0718fc5ae e348ed7b09164dc8b9fdb1129a381b08 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-09-15 12:41:56.625 10 INFO nova.compute.rpcapi [None req-5eed1247-f206-4567-9d78-6dd55b5b8def - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-09-15 12:42:00.088 12 INFO nova.utils [None req-e0916f31-ee9f-41d0-9ce3-4b4a390a49ae 1623f1f6966443d6a2e57c27b9af8065 5b5756842cea4aef88f4226229b557e5 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-09-15 12:42:00.269 12 INFO nova.compute.rpcapi [None req-e0a0cc11-658c-4e2e-8453-49b26611663a - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-09-15 12:42:15.213 10 ERROR nova.scheduler.utils [None req-c26664e8-6681-4f3d-b9a7-cdfa0e6541d5 2a404c4c7352462f84cd8be0718fc5ae e348ed7b09164dc8b9fdb1129a381b08 - - default default] [instance: 3dd0269c-61e4-4d9c-baa1-90f33a6840ff] 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 3dd0269c-61e4-4d9c-baa1-90f33a6840ff was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-15 12:42:15.215 10 WARNING nova.scheduler.utils [None req-c26664e8-6681-4f3d-b9a7-cdfa0e6541d5 2a404c4c7352462f84cd8be0718fc5ae e348ed7b09164dc8b9fdb1129a381b08 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3dd0269c-61e4-4d9c-baa1-90f33a6840ff.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3dd0269c-61e4-4d9c-baa1-90f33a6840ff.
2026-09-15 12:42:15.216 10 WARNING nova.scheduler.utils [None req-c26664e8-6681-4f3d-b9a7-cdfa0e6541d5 2a404c4c7352462f84cd8be0718fc5ae e348ed7b09164dc8b9fdb1129a381b08 - - default default] [instance: 3dd0269c-61e4-4d9c-baa1-90f33a6840ff] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3dd0269c-61e4-4d9c-baa1-90f33a6840ff.
2026-09-15 12:42:15.348 10 WARNING neutronclient.v2_0.client [None req-c26664e8-6681-4f3d-b9a7-cdfa0e6541d5 2a404c4c7352462f84cd8be0718fc5ae e348ed7b09164dc8b9fdb1129a381b08 - - 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 3dd0269c-61e4-4d9c-baa1-90f33a6840ff.
2026-09-15 12:42:15.784 10 WARNING neutronclient.v2_0.client [None req-c26664e8-6681-4f3d-b9a7-cdfa0e6541d5 2a404c4c7352462f84cd8be0718fc5ae e348ed7b09164dc8b9fdb1129a381b08 - - 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 3dd0269c-61e4-4d9c-baa1-90f33a6840ff.
2026-09-15 12:42:18.721 12 ERROR nova.scheduler.utils [None req-e0916f31-ee9f-41d0-9ce3-4b4a390a49ae 1623f1f6966443d6a2e57c27b9af8065 5b5756842cea4aef88f4226229b557e5 - - default default] [instance: 6f2a90fa-4ad1-4592-85e5-7eb7710db623] 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 6f2a90fa-4ad1-4592-85e5-7eb7710db623 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-15 12:42:18.722 12 WARNING nova.scheduler.utils [None req-e0916f31-ee9f-41d0-9ce3-4b4a390a49ae 1623f1f6966443d6a2e57c27b9af8065 5b5756842cea4aef88f4226229b557e5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6f2a90fa-4ad1-4592-85e5-7eb7710db623.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6f2a90fa-4ad1-4592-85e5-7eb7710db623.
2026-09-15 12:42:18.723 12 WARNING nova.scheduler.utils [None req-e0916f31-ee9f-41d0-9ce3-4b4a390a49ae 1623f1f6966443d6a2e57c27b9af8065 5b5756842cea4aef88f4226229b557e5 - - default default] [instance: 6f2a90fa-4ad1-4592-85e5-7eb7710db623] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6f2a90fa-4ad1-4592-85e5-7eb7710db623.
2026-09-15 12:42:18.839 12 WARNING neutronclient.v2_0.client [None req-e0916f31-ee9f-41d0-9ce3-4b4a390a49ae 1623f1f6966443d6a2e57c27b9af8065 5b5756842cea4aef88f4226229b557e5 - - 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 6f2a90fa-4ad1-4592-85e5-7eb7710db623.
2026-09-15 12:42:19.240 12 WARNING neutronclient.v2_0.client [None req-e0916f31-ee9f-41d0-9ce3-4b4a390a49ae 1623f1f6966443d6a2e57c27b9af8065 5b5756842cea4aef88f4226229b557e5 - - 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 6f2a90fa-4ad1-4592-85e5-7eb7710db623.
2026-09-15 12:42:25.306 10 ERROR nova.scheduler.utils [None req-c7ea1383-1209-4877-adab-a0911a00069c adee102b987c4382a01a84a6f57767a6 46091e824bdf483b9c1e7574a30404ae - - default default] [instance: 407d5c2a-4fed-4022-a5f2-aefb3e9ff79c] 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 407d5c2a-4fed-4022-a5f2-aefb3e9ff79c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-15 12:42:25.308 10 WARNING nova.scheduler.utils [None req-c7ea1383-1209-4877-adab-a0911a00069c adee102b987c4382a01a84a6f57767a6 46091e824bdf483b9c1e7574a30404ae - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 407d5c2a-4fed-4022-a5f2-aefb3e9ff79c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 407d5c2a-4fed-4022-a5f2-aefb3e9ff79c.
2026-09-15 12:42:25.309 10 WARNING nova.scheduler.utils [None req-c7ea1383-1209-4877-adab-a0911a00069c adee102b987c4382a01a84a6f57767a6 46091e824bdf483b9c1e7574a30404ae - - default default] [instance: 407d5c2a-4fed-4022-a5f2-aefb3e9ff79c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 407d5c2a-4fed-4022-a5f2-aefb3e9ff79c.
2026-09-15 12:42:25.368 10 WARNING neutronclient.v2_0.client [None req-c7ea1383-1209-4877-adab-a0911a00069c adee102b987c4382a01a84a6f57767a6 46091e824bdf483b9c1e7574a30404ae - - 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 407d5c2a-4fed-4022-a5f2-aefb3e9ff79c.
2026-09-15 12:42:25.407 10 WARNING neutronclient.v2_0.client [None req-c7ea1383-1209-4877-adab-a0911a00069c adee102b987c4382a01a84a6f57767a6 46091e824bdf483b9c1e7574a30404ae - - 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 407d5c2a-4fed-4022-a5f2-aefb3e9ff79c.
2026-09-15 12:42:31.369 12 ERROR nova.scheduler.utils [None req-1470007e-b83f-46ad-902a-b88d96355874 9979a0ad89dd452c9bba620171936f80 4a6e9ff7b2d1411f84bcc09ccf40f90e - - default default] [instance: a3c05a92-6931-4cd0-8ba9-057b619c6134] 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 a3c05a92-6931-4cd0-8ba9-057b619c6134 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-15 12:42:31.369 12 WARNING nova.scheduler.utils [None req-1470007e-b83f-46ad-902a-b88d96355874 9979a0ad89dd452c9bba620171936f80 4a6e9ff7b2d1411f84bcc09ccf40f90e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a3c05a92-6931-4cd0-8ba9-057b619c6134.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a3c05a92-6931-4cd0-8ba9-057b619c6134.
2026-09-15 12:42:31.370 12 WARNING nova.scheduler.utils [None req-1470007e-b83f-46ad-902a-b88d96355874 9979a0ad89dd452c9bba620171936f80 4a6e9ff7b2d1411f84bcc09ccf40f90e - - default default] [instance: a3c05a92-6931-4cd0-8ba9-057b619c6134] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a3c05a92-6931-4cd0-8ba9-057b619c6134.
2026-09-15 12:42:31.422 12 WARNING neutronclient.v2_0.client [None req-1470007e-b83f-46ad-902a-b88d96355874 9979a0ad89dd452c9bba620171936f80 4a6e9ff7b2d1411f84bcc09ccf40f90e - - 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 a3c05a92-6931-4cd0-8ba9-057b619c6134.
2026-09-15 12:42:31.703 12 WARNING neutronclient.v2_0.client [None req-1470007e-b83f-46ad-902a-b88d96355874 9979a0ad89dd452c9bba620171936f80 4a6e9ff7b2d1411f84bcc09ccf40f90e - - 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 a3c05a92-6931-4cd0-8ba9-057b619c6134.
2026-09-15 12:42:50.579 12 ERROR nova.scheduler.utils [None req-4d8d9be7-e059-4978-ae6d-472eefad0b59 1802ce7e8a35489bb487c8026abb3477 31b46e2ea8964f83a96282e021eeaae7 - - default default] [instance: b36d6a23-94be-4d5f-abde-fbb0b87e8b17] 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 b36d6a23-94be-4d5f-abde-fbb0b87e8b17 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-15 12:42:50.580 12 WARNING nova.scheduler.utils [None req-4d8d9be7-e059-4978-ae6d-472eefad0b59 1802ce7e8a35489bb487c8026abb3477 31b46e2ea8964f83a96282e021eeaae7 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b36d6a23-94be-4d5f-abde-fbb0b87e8b17.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b36d6a23-94be-4d5f-abde-fbb0b87e8b17.
2026-09-15 12:42:50.580 12 WARNING nova.scheduler.utils [None req-4d8d9be7-e059-4978-ae6d-472eefad0b59 1802ce7e8a35489bb487c8026abb3477 31b46e2ea8964f83a96282e021eeaae7 - - default default] [instance: b36d6a23-94be-4d5f-abde-fbb0b87e8b17] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b36d6a23-94be-4d5f-abde-fbb0b87e8b17.
2026-09-15 12:42:50.648 12 WARNING neutronclient.v2_0.client [None req-4d8d9be7-e059-4978-ae6d-472eefad0b59 1802ce7e8a35489bb487c8026abb3477 31b46e2ea8964f83a96282e021eeaae7 - - 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 b36d6a23-94be-4d5f-abde-fbb0b87e8b17.
2026-09-15 12:42:50.954 12 WARNING neutronclient.v2_0.client [None req-4d8d9be7-e059-4978-ae6d-472eefad0b59 1802ce7e8a35489bb487c8026abb3477 31b46e2ea8964f83a96282e021eeaae7 - - 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 b36d6a23-94be-4d5f-abde-fbb0b87e8b17.
2026-09-15 12:43:22.821 10 ERROR nova.scheduler.utils [None req-51afb8e6-69a5-4587-9a3d-bceb9276cc76 6187a4c085714077aa1e0cf59d5e7394 353575f36adf43048da010ad7971231b - - default default] [instance: 5b8d076e-736a-420e-871a-4849d2e7e039] 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 5b8d076e-736a-420e-871a-4849d2e7e039 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-15 12:43:22.822 10 WARNING nova.scheduler.utils [None req-51afb8e6-69a5-4587-9a3d-bceb9276cc76 6187a4c085714077aa1e0cf59d5e7394 353575f36adf43048da010ad7971231b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5b8d076e-736a-420e-871a-4849d2e7e039.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5b8d076e-736a-420e-871a-4849d2e7e039.
2026-09-15 12:43:22.822 10 WARNING nova.scheduler.utils [None req-51afb8e6-69a5-4587-9a3d-bceb9276cc76 6187a4c085714077aa1e0cf59d5e7394 353575f36adf43048da010ad7971231b - - default default] [instance: 5b8d076e-736a-420e-871a-4849d2e7e039] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5b8d076e-736a-420e-871a-4849d2e7e039.
2026-09-15 12:43:23.004 10 WARNING neutronclient.v2_0.client [None req-51afb8e6-69a5-4587-9a3d-bceb9276cc76 6187a4c085714077aa1e0cf59d5e7394 353575f36adf43048da010ad7971231b - - 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 5b8d076e-736a-420e-871a-4849d2e7e039.
2026-09-15 12:43:23.098 10 WARNING neutronclient.v2_0.client [None req-51afb8e6-69a5-4587-9a3d-bceb9276cc76 6187a4c085714077aa1e0cf59d5e7394 353575f36adf43048da010ad7971231b - - 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 5b8d076e-736a-420e-871a-4849d2e7e039.
2026-09-15 12:43:47.175 12 ERROR nova.scheduler.utils [None req-cd379937-4b9c-4705-bec6-f373f14935c1 91eaaa554b6543d3b0e3166cecfd04f6 d4358d9ea79e4632bff21ab4019617db - - default default] [instance: c09551d4-13cc-44a3-ae35-ea8abe44318c] 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 c09551d4-13cc-44a3-ae35-ea8abe44318c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-15 12:43:47.176 12 WARNING nova.scheduler.utils [None req-cd379937-4b9c-4705-bec6-f373f14935c1 91eaaa554b6543d3b0e3166cecfd04f6 d4358d9ea79e4632bff21ab4019617db - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c09551d4-13cc-44a3-ae35-ea8abe44318c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c09551d4-13cc-44a3-ae35-ea8abe44318c.
2026-09-15 12:43:47.176 12 WARNING nova.scheduler.utils [None req-cd379937-4b9c-4705-bec6-f373f14935c1 91eaaa554b6543d3b0e3166cecfd04f6 d4358d9ea79e4632bff21ab4019617db - - default default] [instance: c09551d4-13cc-44a3-ae35-ea8abe44318c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c09551d4-13cc-44a3-ae35-ea8abe44318c.
2026-09-15 12:43:47.240 12 WARNING neutronclient.v2_0.client [None req-cd379937-4b9c-4705-bec6-f373f14935c1 91eaaa554b6543d3b0e3166cecfd04f6 d4358d9ea79e4632bff21ab4019617db - - 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 c09551d4-13cc-44a3-ae35-ea8abe44318c.
2026-09-15 12:43:47.274 12 WARNING neutronclient.v2_0.client [None req-cd379937-4b9c-4705-bec6-f373f14935c1 91eaaa554b6543d3b0e3166cecfd04f6 d4358d9ea79e4632bff21ab4019617db - - 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 c09551d4-13cc-44a3-ae35-ea8abe44318c.
2026-09-15 12:44:57.609 10 ERROR nova.scheduler.utils [None req-d3013e58-9dcb-4ae1-9ec9-5bbac0fd9d39 f4227f7fec58438ab51699cae74b8de1 655b251298c740518ec24f09fdca456d - - default default] [instance: 09322c91-6b98-4ab9-bb03-0b4f6542dbcb] 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 09322c91-6b98-4ab9-bb03-0b4f6542dbcb was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-15 12:44:57.610 10 WARNING nova.scheduler.utils [None req-d3013e58-9dcb-4ae1-9ec9-5bbac0fd9d39 f4227f7fec58438ab51699cae74b8de1 655b251298c740518ec24f09fdca456d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09322c91-6b98-4ab9-bb03-0b4f6542dbcb.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09322c91-6b98-4ab9-bb03-0b4f6542dbcb.
2026-09-15 12:44:57.611 10 WARNING nova.scheduler.utils [None req-d3013e58-9dcb-4ae1-9ec9-5bbac0fd9d39 f4227f7fec58438ab51699cae74b8de1 655b251298c740518ec24f09fdca456d - - default default] [instance: 09322c91-6b98-4ab9-bb03-0b4f6542dbcb] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 09322c91-6b98-4ab9-bb03-0b4f6542dbcb.
2026-09-15 12:44:57.671 10 WARNING neutronclient.v2_0.client [None req-d3013e58-9dcb-4ae1-9ec9-5bbac0fd9d39 f4227f7fec58438ab51699cae74b8de1 655b251298c740518ec24f09fdca456d - - 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 09322c91-6b98-4ab9-bb03-0b4f6542dbcb.
2026-09-15 12:44:58.217 10 WARNING neutronclient.v2_0.client [None req-d3013e58-9dcb-4ae1-9ec9-5bbac0fd9d39 f4227f7fec58438ab51699cae74b8de1 655b251298c740518ec24f09fdca456d - - 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 09322c91-6b98-4ab9-bb03-0b4f6542dbcb.
2026-09-15 12:45:02.314 12 ERROR nova.scheduler.utils [None req-48514287-1a34-410d-a256-30850757e0db 3b4a5c976a60457585c657fdabd6abaf 7fec660558a940049bf3051e6f0270d4 - - default default] [instance: fb487eaa-3277-4423-a455-89bfa45f45ec] 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 fb487eaa-3277-4423-a455-89bfa45f45ec was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-15 12:45:02.316 12 WARNING nova.scheduler.utils [None req-48514287-1a34-410d-a256-30850757e0db 3b4a5c976a60457585c657fdabd6abaf 7fec660558a940049bf3051e6f0270d4 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fb487eaa-3277-4423-a455-89bfa45f45ec.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fb487eaa-3277-4423-a455-89bfa45f45ec.
2026-09-15 12:45:02.317 12 WARNING nova.scheduler.utils [None req-48514287-1a34-410d-a256-30850757e0db 3b4a5c976a60457585c657fdabd6abaf 7fec660558a940049bf3051e6f0270d4 - - default default] [instance: fb487eaa-3277-4423-a455-89bfa45f45ec] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fb487eaa-3277-4423-a455-89bfa45f45ec.
2026-09-15 12:45:02.421 12 WARNING neutronclient.v2_0.client [None req-48514287-1a34-410d-a256-30850757e0db 3b4a5c976a60457585c657fdabd6abaf 7fec660558a940049bf3051e6f0270d4 - - 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 fb487eaa-3277-4423-a455-89bfa45f45ec.
2026-09-15 12:45:02.445 12 WARNING neutronclient.v2_0.client [None req-48514287-1a34-410d-a256-30850757e0db 3b4a5c976a60457585c657fdabd6abaf 7fec660558a940049bf3051e6f0270d4 - - 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 fb487eaa-3277-4423-a455-89bfa45f45ec.
2026-09-15 12:46:03.307 10 ERROR nova.scheduler.utils [None req-c332af94-569c-40f1-a15a-d866e4923c91 428f44c642294480b0d43e3a8cb81323 46640b78f2f44de09edade3268969f81 - - default default] [instance: 5c20771e-f74e-4bfe-b253-db836ab08320] 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 5c20771e-f74e-4bfe-b253-db836ab08320 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-15 12:46:03.308 10 WARNING nova.scheduler.utils [None req-c332af94-569c-40f1-a15a-d866e4923c91 428f44c642294480b0d43e3a8cb81323 46640b78f2f44de09edade3268969f81 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5c20771e-f74e-4bfe-b253-db836ab08320.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5c20771e-f74e-4bfe-b253-db836ab08320.
2026-09-15 12:46:03.308 10 WARNING nova.scheduler.utils [None req-c332af94-569c-40f1-a15a-d866e4923c91 428f44c642294480b0d43e3a8cb81323 46640b78f2f44de09edade3268969f81 - - default default] [instance: 5c20771e-f74e-4bfe-b253-db836ab08320] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5c20771e-f74e-4bfe-b253-db836ab08320.
2026-09-15 12:46:03.389 10 WARNING neutronclient.v2_0.client [None req-c332af94-569c-40f1-a15a-d866e4923c91 428f44c642294480b0d43e3a8cb81323 46640b78f2f44de09edade3268969f81 - - 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 5c20771e-f74e-4bfe-b253-db836ab08320.
2026-09-15 12:46:03.428 10 WARNING neutronclient.v2_0.client [None req-c332af94-569c-40f1-a15a-d866e4923c91 428f44c642294480b0d43e3a8cb81323 46640b78f2f44de09edade3268969f81 - - 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 5c20771e-f74e-4bfe-b253-db836ab08320.