+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-16 07:25:11.504 1 INFO nova.utils [None req-78e71882-a174-4d10-8cf2-8f2758b03604 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-16 07:25:11.680 1 INFO nova.utils [None req-78e71882-a174-4d10-8cf2-8f2758b03604 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-16 07:25:12.680 1 INFO nova.utils [None req-78e71882-a174-4d10-8cf2-8f2758b03604 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-16 07:25:12.684 1 WARNING oslo_service.backend._threading.service [None req-78e71882-a174-4d10-8cf2-8f2758b03604 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-16 07:25:12.692 1 WARNING oslo_config.cfg [None req-78e71882-a174-4d10-8cf2-8f2758b03604 - - - - - -] 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.
2026-07-16 07:25:12.741 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-16 07:25:12.756 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-16 08:06:06.163 12 INFO nova.utils [None req-6c784830-98bb-4931-8b77-109d4c997366 b749c27e2ed144e0b4e60048ce2766c8 4d9cb50c1e034de391a08f54a4c65c1b - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-16 08:06:06.361 12 INFO nova.compute.rpcapi [None req-19c7d153-1993-4b30-8137-2802b6fc5063 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-16 08:06:23.899 10 INFO nova.utils [None req-6264f4f8-a2b2-4817-93df-a35c6120b825 028459a5b3f64f55a50b78f3438df7ba 9d4f16d7bb38405a833c910d55719170 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-16 08:06:24.066 10 INFO nova.compute.rpcapi [None req-3b129517-6fc0-4046-8e82-8ea5492b12ab - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-16 08:06:24.304 12 ERROR nova.scheduler.utils [None req-6c784830-98bb-4931-8b77-109d4c997366 b749c27e2ed144e0b4e60048ce2766c8 4d9cb50c1e034de391a08f54a4c65c1b - - default default] [instance: 91c2c076-93cb-4901-bdd5-07c25c4dc9fa] 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 91c2c076-93cb-4901-bdd5-07c25c4dc9fa was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:06:24.305 12 WARNING nova.scheduler.utils [None req-6c784830-98bb-4931-8b77-109d4c997366 b749c27e2ed144e0b4e60048ce2766c8 4d9cb50c1e034de391a08f54a4c65c1b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 91c2c076-93cb-4901-bdd5-07c25c4dc9fa.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 91c2c076-93cb-4901-bdd5-07c25c4dc9fa.
2026-07-16 08:06:24.305 12 WARNING nova.scheduler.utils [None req-6c784830-98bb-4931-8b77-109d4c997366 b749c27e2ed144e0b4e60048ce2766c8 4d9cb50c1e034de391a08f54a4c65c1b - - default default] [instance: 91c2c076-93cb-4901-bdd5-07c25c4dc9fa] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 91c2c076-93cb-4901-bdd5-07c25c4dc9fa.
2026-07-16 08:06:24.394 12 WARNING neutronclient.v2_0.client [None req-6c784830-98bb-4931-8b77-109d4c997366 b749c27e2ed144e0b4e60048ce2766c8 4d9cb50c1e034de391a08f54a4c65c1b - - 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 91c2c076-93cb-4901-bdd5-07c25c4dc9fa.
2026-07-16 08:06:24.981 12 WARNING neutronclient.v2_0.client [None req-6c784830-98bb-4931-8b77-109d4c997366 b749c27e2ed144e0b4e60048ce2766c8 4d9cb50c1e034de391a08f54a4c65c1b - - 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 91c2c076-93cb-4901-bdd5-07c25c4dc9fa.
2026-07-16 08:06:37.725 10 ERROR nova.scheduler.utils [None req-6264f4f8-a2b2-4817-93df-a35c6120b825 028459a5b3f64f55a50b78f3438df7ba 9d4f16d7bb38405a833c910d55719170 - - default default] [instance: a1010d3c-bb4b-41ba-b14e-eccc97a30d06] 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 a1010d3c-bb4b-41ba-b14e-eccc97a30d06 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:06:37.727 10 WARNING nova.scheduler.utils [None req-6264f4f8-a2b2-4817-93df-a35c6120b825 028459a5b3f64f55a50b78f3438df7ba 9d4f16d7bb38405a833c910d55719170 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a1010d3c-bb4b-41ba-b14e-eccc97a30d06.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a1010d3c-bb4b-41ba-b14e-eccc97a30d06.
2026-07-16 08:06:37.727 10 WARNING nova.scheduler.utils [None req-6264f4f8-a2b2-4817-93df-a35c6120b825 028459a5b3f64f55a50b78f3438df7ba 9d4f16d7bb38405a833c910d55719170 - - default default] [instance: a1010d3c-bb4b-41ba-b14e-eccc97a30d06] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a1010d3c-bb4b-41ba-b14e-eccc97a30d06.
2026-07-16 08:06:37.825 10 WARNING neutronclient.v2_0.client [None req-6264f4f8-a2b2-4817-93df-a35c6120b825 028459a5b3f64f55a50b78f3438df7ba 9d4f16d7bb38405a833c910d55719170 - - 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 a1010d3c-bb4b-41ba-b14e-eccc97a30d06.
2026-07-16 08:06:38.511 10 WARNING neutronclient.v2_0.client [None req-6264f4f8-a2b2-4817-93df-a35c6120b825 028459a5b3f64f55a50b78f3438df7ba 9d4f16d7bb38405a833c910d55719170 - - 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 a1010d3c-bb4b-41ba-b14e-eccc97a30d06.
2026-07-16 08:06:39.251 10 ERROR nova.scheduler.utils [None req-5aa5d450-a18b-41d9-9472-50e7a3dcf3c2 92231a78eb3f4b5390dd3e48b5c92000 0d6e5dc1a6cc47e98acc5a7ebd9cdfee - - default default] [instance: 4dce2f90-8b5f-48aa-a729-d57230e4afc3] 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 4dce2f90-8b5f-48aa-a729-d57230e4afc3 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:06:39.252 10 WARNING nova.scheduler.utils [None req-5aa5d450-a18b-41d9-9472-50e7a3dcf3c2 92231a78eb3f4b5390dd3e48b5c92000 0d6e5dc1a6cc47e98acc5a7ebd9cdfee - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4dce2f90-8b5f-48aa-a729-d57230e4afc3.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4dce2f90-8b5f-48aa-a729-d57230e4afc3.
2026-07-16 08:06:39.252 10 WARNING nova.scheduler.utils [None req-5aa5d450-a18b-41d9-9472-50e7a3dcf3c2 92231a78eb3f4b5390dd3e48b5c92000 0d6e5dc1a6cc47e98acc5a7ebd9cdfee - - default default] [instance: 4dce2f90-8b5f-48aa-a729-d57230e4afc3] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 4dce2f90-8b5f-48aa-a729-d57230e4afc3.
2026-07-16 08:06:39.314 10 WARNING neutronclient.v2_0.client [None req-5aa5d450-a18b-41d9-9472-50e7a3dcf3c2 92231a78eb3f4b5390dd3e48b5c92000 0d6e5dc1a6cc47e98acc5a7ebd9cdfee - - 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 4dce2f90-8b5f-48aa-a729-d57230e4afc3.
2026-07-16 08:06:39.351 10 WARNING neutronclient.v2_0.client [None req-5aa5d450-a18b-41d9-9472-50e7a3dcf3c2 92231a78eb3f4b5390dd3e48b5c92000 0d6e5dc1a6cc47e98acc5a7ebd9cdfee - - 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 4dce2f90-8b5f-48aa-a729-d57230e4afc3.
2026-07-16 08:07:08.647 10 ERROR nova.scheduler.utils [None req-243ae59d-d94d-4377-9301-53e78ef4bed3 303563a0086d40de90267e919ff44a73 ca93bce18f194cd0b67046a581e7bc7d - - default default] [instance: 139c3a0a-3d5c-47bc-97b7-70353a201122] 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 139c3a0a-3d5c-47bc-97b7-70353a201122 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:07:08.648 10 WARNING nova.scheduler.utils [None req-243ae59d-d94d-4377-9301-53e78ef4bed3 303563a0086d40de90267e919ff44a73 ca93bce18f194cd0b67046a581e7bc7d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 139c3a0a-3d5c-47bc-97b7-70353a201122.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 139c3a0a-3d5c-47bc-97b7-70353a201122.
2026-07-16 08:07:08.649 10 WARNING nova.scheduler.utils [None req-243ae59d-d94d-4377-9301-53e78ef4bed3 303563a0086d40de90267e919ff44a73 ca93bce18f194cd0b67046a581e7bc7d - - default default] [instance: 139c3a0a-3d5c-47bc-97b7-70353a201122] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 139c3a0a-3d5c-47bc-97b7-70353a201122.
2026-07-16 08:07:08.706 10 WARNING neutronclient.v2_0.client [None req-243ae59d-d94d-4377-9301-53e78ef4bed3 303563a0086d40de90267e919ff44a73 ca93bce18f194cd0b67046a581e7bc7d - - 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 139c3a0a-3d5c-47bc-97b7-70353a201122.
2026-07-16 08:07:08.750 10 WARNING neutronclient.v2_0.client [None req-243ae59d-d94d-4377-9301-53e78ef4bed3 303563a0086d40de90267e919ff44a73 ca93bce18f194cd0b67046a581e7bc7d - - 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 139c3a0a-3d5c-47bc-97b7-70353a201122.
2026-07-16 08:07:10.184 12 ERROR nova.scheduler.utils [None req-844e075a-75eb-463a-a242-befcf4eb4d9f 431d55dc8a7f41e295ef403ba3f644cd e546f81040c84082b5dffec9b0b37a6a - - default default] [instance: 85b4ef60-8bb3-4e0c-991f-0dfa8ac831a0] 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 85b4ef60-8bb3-4e0c-991f-0dfa8ac831a0 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:07:10.185 12 WARNING nova.scheduler.utils [None req-844e075a-75eb-463a-a242-befcf4eb4d9f 431d55dc8a7f41e295ef403ba3f644cd e546f81040c84082b5dffec9b0b37a6a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 85b4ef60-8bb3-4e0c-991f-0dfa8ac831a0.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 85b4ef60-8bb3-4e0c-991f-0dfa8ac831a0.
2026-07-16 08:07:10.185 12 WARNING nova.scheduler.utils [None req-844e075a-75eb-463a-a242-befcf4eb4d9f 431d55dc8a7f41e295ef403ba3f644cd e546f81040c84082b5dffec9b0b37a6a - - default default] [instance: 85b4ef60-8bb3-4e0c-991f-0dfa8ac831a0] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 85b4ef60-8bb3-4e0c-991f-0dfa8ac831a0.
2026-07-16 08:07:10.246 12 WARNING neutronclient.v2_0.client [None req-844e075a-75eb-463a-a242-befcf4eb4d9f 431d55dc8a7f41e295ef403ba3f644cd e546f81040c84082b5dffec9b0b37a6a - - 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 85b4ef60-8bb3-4e0c-991f-0dfa8ac831a0.
2026-07-16 08:07:10.357 12 WARNING neutronclient.v2_0.client [None req-844e075a-75eb-463a-a242-befcf4eb4d9f 431d55dc8a7f41e295ef403ba3f644cd e546f81040c84082b5dffec9b0b37a6a - - 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 85b4ef60-8bb3-4e0c-991f-0dfa8ac831a0.
2026-07-16 08:07:40.341 10 ERROR nova.scheduler.utils [None req-492facc2-a1e6-48bf-af1a-2429ceca0641 5a0f228ccf7f476488aa066b449155df 8b7bf0652b8748b4b90b10a3bd31cb2f - - default default] [instance: a9726525-5948-411b-aeca-493e9053881c] 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 a9726525-5948-411b-aeca-493e9053881c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:07:40.342 10 WARNING nova.scheduler.utils [None req-492facc2-a1e6-48bf-af1a-2429ceca0641 5a0f228ccf7f476488aa066b449155df 8b7bf0652b8748b4b90b10a3bd31cb2f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a9726525-5948-411b-aeca-493e9053881c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a9726525-5948-411b-aeca-493e9053881c.
2026-07-16 08:07:40.342 10 WARNING nova.scheduler.utils [None req-492facc2-a1e6-48bf-af1a-2429ceca0641 5a0f228ccf7f476488aa066b449155df 8b7bf0652b8748b4b90b10a3bd31cb2f - - default default] [instance: a9726525-5948-411b-aeca-493e9053881c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a9726525-5948-411b-aeca-493e9053881c.
2026-07-16 08:07:40.399 10 WARNING neutronclient.v2_0.client [None req-492facc2-a1e6-48bf-af1a-2429ceca0641 5a0f228ccf7f476488aa066b449155df 8b7bf0652b8748b4b90b10a3bd31cb2f - - 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 a9726525-5948-411b-aeca-493e9053881c.
2026-07-16 08:07:40.464 10 WARNING neutronclient.v2_0.client [None req-492facc2-a1e6-48bf-af1a-2429ceca0641 5a0f228ccf7f476488aa066b449155df 8b7bf0652b8748b4b90b10a3bd31cb2f - - 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 a9726525-5948-411b-aeca-493e9053881c.
2026-07-16 08:08:15.537 10 ERROR nova.scheduler.utils [None req-dbc141cd-7452-471e-a4d8-81d7d4f2227a fa3c38bcdfbc443ebb3d4b16fc2d9b40 32f2f88b9dfa479b8a04a143251fd160 - - default default] [instance: d9d79085-8a0a-42e3-9791-cfdb46f51778] 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 d9d79085-8a0a-42e3-9791-cfdb46f51778 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:08:15.538 10 WARNING nova.scheduler.utils [None req-dbc141cd-7452-471e-a4d8-81d7d4f2227a fa3c38bcdfbc443ebb3d4b16fc2d9b40 32f2f88b9dfa479b8a04a143251fd160 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d9d79085-8a0a-42e3-9791-cfdb46f51778.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d9d79085-8a0a-42e3-9791-cfdb46f51778.
2026-07-16 08:08:15.539 10 WARNING nova.scheduler.utils [None req-dbc141cd-7452-471e-a4d8-81d7d4f2227a fa3c38bcdfbc443ebb3d4b16fc2d9b40 32f2f88b9dfa479b8a04a143251fd160 - - default default] [instance: d9d79085-8a0a-42e3-9791-cfdb46f51778] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d9d79085-8a0a-42e3-9791-cfdb46f51778.
2026-07-16 08:08:15.587 10 WARNING neutronclient.v2_0.client [None req-dbc141cd-7452-471e-a4d8-81d7d4f2227a fa3c38bcdfbc443ebb3d4b16fc2d9b40 32f2f88b9dfa479b8a04a143251fd160 - - 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 d9d79085-8a0a-42e3-9791-cfdb46f51778.
2026-07-16 08:08:15.674 10 WARNING neutronclient.v2_0.client [None req-dbc141cd-7452-471e-a4d8-81d7d4f2227a fa3c38bcdfbc443ebb3d4b16fc2d9b40 32f2f88b9dfa479b8a04a143251fd160 - - 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 d9d79085-8a0a-42e3-9791-cfdb46f51778.
2026-07-16 08:09:01.178 12 ERROR nova.scheduler.utils [None req-5ab1038f-f4a7-4909-b37f-4493a39b67a1 d66460f15ca64218925384e3b9bb549c 368d4e43603849a0a2a6518a2365f112 - - default default] [instance: bb18f112-776c-4b55-86ad-acd963e78efd] 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 bb18f112-776c-4b55-86ad-acd963e78efd was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:09:01.181 12 WARNING nova.scheduler.utils [None req-5ab1038f-f4a7-4909-b37f-4493a39b67a1 d66460f15ca64218925384e3b9bb549c 368d4e43603849a0a2a6518a2365f112 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bb18f112-776c-4b55-86ad-acd963e78efd.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bb18f112-776c-4b55-86ad-acd963e78efd.
2026-07-16 08:09:01.181 12 WARNING nova.scheduler.utils [None req-5ab1038f-f4a7-4909-b37f-4493a39b67a1 d66460f15ca64218925384e3b9bb549c 368d4e43603849a0a2a6518a2365f112 - - default default] [instance: bb18f112-776c-4b55-86ad-acd963e78efd] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bb18f112-776c-4b55-86ad-acd963e78efd.
2026-07-16 08:09:01.255 12 WARNING neutronclient.v2_0.client [None req-5ab1038f-f4a7-4909-b37f-4493a39b67a1 d66460f15ca64218925384e3b9bb549c 368d4e43603849a0a2a6518a2365f112 - - 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 bb18f112-776c-4b55-86ad-acd963e78efd.
2026-07-16 08:09:01.292 12 WARNING neutronclient.v2_0.client [None req-5ab1038f-f4a7-4909-b37f-4493a39b67a1 d66460f15ca64218925384e3b9bb549c 368d4e43603849a0a2a6518a2365f112 - - 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 bb18f112-776c-4b55-86ad-acd963e78efd.
2026-07-16 08:09:12.820 10 ERROR nova.scheduler.utils [None req-8e30c814-f07e-4f00-a505-6748693fee70 45a1d3e3312f4abcae7e547696285698 610ec8f48ba74251ab709f742a6a3419 - - default default] [instance: f556bdd9-df69-4a6b-bd04-e132181a5dbd] 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 f556bdd9-df69-4a6b-bd04-e132181a5dbd was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:09:12.821 10 WARNING nova.scheduler.utils [None req-8e30c814-f07e-4f00-a505-6748693fee70 45a1d3e3312f4abcae7e547696285698 610ec8f48ba74251ab709f742a6a3419 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f556bdd9-df69-4a6b-bd04-e132181a5dbd.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f556bdd9-df69-4a6b-bd04-e132181a5dbd.
2026-07-16 08:09:12.821 10 WARNING nova.scheduler.utils [None req-8e30c814-f07e-4f00-a505-6748693fee70 45a1d3e3312f4abcae7e547696285698 610ec8f48ba74251ab709f742a6a3419 - - default default] [instance: f556bdd9-df69-4a6b-bd04-e132181a5dbd] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f556bdd9-df69-4a6b-bd04-e132181a5dbd.
2026-07-16 08:09:12.887 10 WARNING neutronclient.v2_0.client [None req-8e30c814-f07e-4f00-a505-6748693fee70 45a1d3e3312f4abcae7e547696285698 610ec8f48ba74251ab709f742a6a3419 - - 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 f556bdd9-df69-4a6b-bd04-e132181a5dbd.
2026-07-16 08:09:12.914 10 WARNING neutronclient.v2_0.client [None req-8e30c814-f07e-4f00-a505-6748693fee70 45a1d3e3312f4abcae7e547696285698 610ec8f48ba74251ab709f742a6a3419 - - 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 f556bdd9-df69-4a6b-bd04-e132181a5dbd.
2026-07-16 08:09:17.322 10 ERROR nova.scheduler.utils [None req-c1fa6301-320b-4b0c-ae19-3bafa12b3824 ce070cd7cef04672927e29844950fc9f 9fa0809bfa5842dbacb08ee209a5f5b5 - - default default] [instance: bf1990d6-2488-4b97-aa82-673077de873e] 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 bf1990d6-2488-4b97-aa82-673077de873e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 08:09:17.323 10 WARNING nova.scheduler.utils [None req-c1fa6301-320b-4b0c-ae19-3bafa12b3824 ce070cd7cef04672927e29844950fc9f 9fa0809bfa5842dbacb08ee209a5f5b5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bf1990d6-2488-4b97-aa82-673077de873e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bf1990d6-2488-4b97-aa82-673077de873e.
2026-07-16 08:09:17.323 10 WARNING nova.scheduler.utils [None req-c1fa6301-320b-4b0c-ae19-3bafa12b3824 ce070cd7cef04672927e29844950fc9f 9fa0809bfa5842dbacb08ee209a5f5b5 - - default default] [instance: bf1990d6-2488-4b97-aa82-673077de873e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bf1990d6-2488-4b97-aa82-673077de873e.
2026-07-16 08:09:17.370 10 WARNING neutronclient.v2_0.client [None req-c1fa6301-320b-4b0c-ae19-3bafa12b3824 ce070cd7cef04672927e29844950fc9f 9fa0809bfa5842dbacb08ee209a5f5b5 - - 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 bf1990d6-2488-4b97-aa82-673077de873e.
2026-07-16 08:09:17.415 10 WARNING neutronclient.v2_0.client [None req-c1fa6301-320b-4b0c-ae19-3bafa12b3824 ce070cd7cef04672927e29844950fc9f 9fa0809bfa5842dbacb08ee209a5f5b5 - - 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 bf1990d6-2488-4b97-aa82-673077de873e.