+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-07-16 16:29:25.817 1 INFO nova.utils [None req-a2519517-8ac7-4986-9f9c-5070e3224139 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-16 16:29:26.014 1 INFO nova.utils [None req-a2519517-8ac7-4986-9f9c-5070e3224139 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-16 16:29:27.014 1 INFO nova.utils [None req-a2519517-8ac7-4986-9f9c-5070e3224139 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-16 16:29:27.017 1 WARNING oslo_service.backend._threading.service [None req-a2519517-8ac7-4986-9f9c-5070e3224139 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-07-16 16:29:27.028 1 WARNING oslo_config.cfg [None req-a2519517-8ac7-4986-9f9c-5070e3224139 - - - - - -] 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 16:29:27.071 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-16 16:29:27.086 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-07-16 17:09:03.528 12 INFO nova.utils [None req-972ab3ba-9c1c-41f2-97d1-3fa46e17bee3 39fe31e46dc449a4bc553c99c3d35acf 28c981f890904271a63f73f73f6b7530 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-07-16 17:09:03.686 12 INFO nova.compute.rpcapi [None req-6c96d334-c155-4d92-a741-1035f54e2dab - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-16 17:09:21.879 12 ERROR nova.scheduler.utils [None req-972ab3ba-9c1c-41f2-97d1-3fa46e17bee3 39fe31e46dc449a4bc553c99c3d35acf 28c981f890904271a63f73f73f6b7530 - - default default] [instance: 7ff303b8-e5e9-4ea3-9f98-8134080e2f03] 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 7ff303b8-e5e9-4ea3-9f98-8134080e2f03 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 17:09:21.880 12 WARNING nova.scheduler.utils [None req-972ab3ba-9c1c-41f2-97d1-3fa46e17bee3 39fe31e46dc449a4bc553c99c3d35acf 28c981f890904271a63f73f73f6b7530 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7ff303b8-e5e9-4ea3-9f98-8134080e2f03.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7ff303b8-e5e9-4ea3-9f98-8134080e2f03.
2026-07-16 17:09:21.880 12 WARNING nova.scheduler.utils [None req-972ab3ba-9c1c-41f2-97d1-3fa46e17bee3 39fe31e46dc449a4bc553c99c3d35acf 28c981f890904271a63f73f73f6b7530 - - default default] [instance: 7ff303b8-e5e9-4ea3-9f98-8134080e2f03] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7ff303b8-e5e9-4ea3-9f98-8134080e2f03.
2026-07-16 17:09:21.999 12 WARNING neutronclient.v2_0.client [None req-972ab3ba-9c1c-41f2-97d1-3fa46e17bee3 39fe31e46dc449a4bc553c99c3d35acf 28c981f890904271a63f73f73f6b7530 - - 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 7ff303b8-e5e9-4ea3-9f98-8134080e2f03.
2026-07-16 17:09:22.529 12 WARNING neutronclient.v2_0.client [None req-972ab3ba-9c1c-41f2-97d1-3fa46e17bee3 39fe31e46dc449a4bc553c99c3d35acf 28c981f890904271a63f73f73f6b7530 - - 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 7ff303b8-e5e9-4ea3-9f98-8134080e2f03.
2026-07-16 17:09:23.869 10 INFO nova.utils [None req-d5e4f4f8-b501-4d87-9a3d-bf4887b27a92 1c2b0a42ee9747cb8a3875290bed50c7 d0c8a822e60349688483868bf82b2f46 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-07-16 17:09:24.029 10 INFO nova.compute.rpcapi [None req-c1dc9b7a-5811-4c01-8074-a60e17adcea1 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-07-16 17:09:38.652 12 ERROR nova.scheduler.utils [None req-d5e4f4f8-b501-4d87-9a3d-bf4887b27a92 1c2b0a42ee9747cb8a3875290bed50c7 d0c8a822e60349688483868bf82b2f46 - - default default] [instance: 1b3c16a6-49fe-4d24-bd25-5776ae1110b2] 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 1b3c16a6-49fe-4d24-bd25-5776ae1110b2 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 17:09:38.654 12 WARNING nova.scheduler.utils [None req-d5e4f4f8-b501-4d87-9a3d-bf4887b27a92 1c2b0a42ee9747cb8a3875290bed50c7 d0c8a822e60349688483868bf82b2f46 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1b3c16a6-49fe-4d24-bd25-5776ae1110b2.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1b3c16a6-49fe-4d24-bd25-5776ae1110b2.
2026-07-16 17:09:38.654 12 WARNING nova.scheduler.utils [None req-d5e4f4f8-b501-4d87-9a3d-bf4887b27a92 1c2b0a42ee9747cb8a3875290bed50c7 d0c8a822e60349688483868bf82b2f46 - - default default] [instance: 1b3c16a6-49fe-4d24-bd25-5776ae1110b2] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1b3c16a6-49fe-4d24-bd25-5776ae1110b2.
2026-07-16 17:09:38.707 12 WARNING neutronclient.v2_0.client [None req-d5e4f4f8-b501-4d87-9a3d-bf4887b27a92 1c2b0a42ee9747cb8a3875290bed50c7 d0c8a822e60349688483868bf82b2f46 - - 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 1b3c16a6-49fe-4d24-bd25-5776ae1110b2.
2026-07-16 17:09:38.735 12 WARNING neutronclient.v2_0.client [None req-d5e4f4f8-b501-4d87-9a3d-bf4887b27a92 1c2b0a42ee9747cb8a3875290bed50c7 d0c8a822e60349688483868bf82b2f46 - - 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 1b3c16a6-49fe-4d24-bd25-5776ae1110b2.
2026-07-16 17:09:45.622 10 ERROR nova.scheduler.utils [None req-f56f8566-be3f-46e7-a846-cb67bd6ed488 b158ce36aacb4b0b87e0a9c3f7dce320 5848d6c4bee240a6b1bdc3dfbaa2bd32 - - default default] [instance: 57fd48d0-200c-4e2e-9e58-f2956cf24184] 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 57fd48d0-200c-4e2e-9e58-f2956cf24184 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 17:09:45.622 10 WARNING nova.scheduler.utils [None req-f56f8566-be3f-46e7-a846-cb67bd6ed488 b158ce36aacb4b0b87e0a9c3f7dce320 5848d6c4bee240a6b1bdc3dfbaa2bd32 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 57fd48d0-200c-4e2e-9e58-f2956cf24184.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 57fd48d0-200c-4e2e-9e58-f2956cf24184.
2026-07-16 17:09:45.623 10 WARNING nova.scheduler.utils [None req-f56f8566-be3f-46e7-a846-cb67bd6ed488 b158ce36aacb4b0b87e0a9c3f7dce320 5848d6c4bee240a6b1bdc3dfbaa2bd32 - - default default] [instance: 57fd48d0-200c-4e2e-9e58-f2956cf24184] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 57fd48d0-200c-4e2e-9e58-f2956cf24184.
2026-07-16 17:09:45.723 10 WARNING neutronclient.v2_0.client [None req-f56f8566-be3f-46e7-a846-cb67bd6ed488 b158ce36aacb4b0b87e0a9c3f7dce320 5848d6c4bee240a6b1bdc3dfbaa2bd32 - - 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 57fd48d0-200c-4e2e-9e58-f2956cf24184.
2026-07-16 17:09:46.434 10 WARNING neutronclient.v2_0.client [None req-f56f8566-be3f-46e7-a846-cb67bd6ed488 b158ce36aacb4b0b87e0a9c3f7dce320 5848d6c4bee240a6b1bdc3dfbaa2bd32 - - 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 57fd48d0-200c-4e2e-9e58-f2956cf24184.
2026-07-16 17:09:52.143 10 ERROR nova.scheduler.utils [None req-939d08bc-e75a-4fd0-a727-53ed4e0c654a 0cf68588437e4787b6fabd2f07efc891 d17538eb0dd9422086b5567b46472202 - - default default] [instance: 90471152-a488-4e13-944d-701c60f520b7] 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 90471152-a488-4e13-944d-701c60f520b7 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 17:09:52.145 10 WARNING nova.scheduler.utils [None req-939d08bc-e75a-4fd0-a727-53ed4e0c654a 0cf68588437e4787b6fabd2f07efc891 d17538eb0dd9422086b5567b46472202 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 90471152-a488-4e13-944d-701c60f520b7.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 90471152-a488-4e13-944d-701c60f520b7.
2026-07-16 17:09:52.150 10 WARNING nova.scheduler.utils [None req-939d08bc-e75a-4fd0-a727-53ed4e0c654a 0cf68588437e4787b6fabd2f07efc891 d17538eb0dd9422086b5567b46472202 - - default default] [instance: 90471152-a488-4e13-944d-701c60f520b7] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 90471152-a488-4e13-944d-701c60f520b7.
2026-07-16 17:09:52.194 10 WARNING neutronclient.v2_0.client [None req-939d08bc-e75a-4fd0-a727-53ed4e0c654a 0cf68588437e4787b6fabd2f07efc891 d17538eb0dd9422086b5567b46472202 - - 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 90471152-a488-4e13-944d-701c60f520b7.
2026-07-16 17:09:52.232 10 WARNING neutronclient.v2_0.client [None req-939d08bc-e75a-4fd0-a727-53ed4e0c654a 0cf68588437e4787b6fabd2f07efc891 d17538eb0dd9422086b5567b46472202 - - 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 90471152-a488-4e13-944d-701c60f520b7.
2026-07-16 17:10:19.208 12 ERROR nova.scheduler.utils [None req-806daaec-7292-4836-9dd9-56008e44eb14 e1716c7bb8e94ec6866b46eae4c864f1 971c313be33541969b72e769fd250ed6 - - default default] [instance: ba27dcfd-aaa7-4a05-9014-43eff77ea3ea] 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 ba27dcfd-aaa7-4a05-9014-43eff77ea3ea was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 17:10:19.209 12 WARNING nova.scheduler.utils [None req-806daaec-7292-4836-9dd9-56008e44eb14 e1716c7bb8e94ec6866b46eae4c864f1 971c313be33541969b72e769fd250ed6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ba27dcfd-aaa7-4a05-9014-43eff77ea3ea.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ba27dcfd-aaa7-4a05-9014-43eff77ea3ea.
2026-07-16 17:10:19.211 12 WARNING nova.scheduler.utils [None req-806daaec-7292-4836-9dd9-56008e44eb14 e1716c7bb8e94ec6866b46eae4c864f1 971c313be33541969b72e769fd250ed6 - - default default] [instance: ba27dcfd-aaa7-4a05-9014-43eff77ea3ea] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance ba27dcfd-aaa7-4a05-9014-43eff77ea3ea.
2026-07-16 17:10:19.261 12 WARNING neutronclient.v2_0.client [None req-806daaec-7292-4836-9dd9-56008e44eb14 e1716c7bb8e94ec6866b46eae4c864f1 971c313be33541969b72e769fd250ed6 - - 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 ba27dcfd-aaa7-4a05-9014-43eff77ea3ea.
2026-07-16 17:10:19.726 12 WARNING neutronclient.v2_0.client [None req-806daaec-7292-4836-9dd9-56008e44eb14 e1716c7bb8e94ec6866b46eae4c864f1 971c313be33541969b72e769fd250ed6 - - 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 ba27dcfd-aaa7-4a05-9014-43eff77ea3ea.
2026-07-16 17:10:33.538 10 ERROR nova.scheduler.utils [None req-475022fa-6efd-4bdb-8255-b2c16cb4ba8b 3acf4ffd6fc24cac89f0d8f142855c47 7125dd2dc0fb4c4eb7a243f7fd4b048e - - default default] [instance: 6710f48a-39cb-4719-9381-8ea0642862fc] 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 6710f48a-39cb-4719-9381-8ea0642862fc was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 17:10:33.539 10 WARNING nova.scheduler.utils [None req-475022fa-6efd-4bdb-8255-b2c16cb4ba8b 3acf4ffd6fc24cac89f0d8f142855c47 7125dd2dc0fb4c4eb7a243f7fd4b048e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6710f48a-39cb-4719-9381-8ea0642862fc.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6710f48a-39cb-4719-9381-8ea0642862fc.
2026-07-16 17:10:33.539 10 WARNING nova.scheduler.utils [None req-475022fa-6efd-4bdb-8255-b2c16cb4ba8b 3acf4ffd6fc24cac89f0d8f142855c47 7125dd2dc0fb4c4eb7a243f7fd4b048e - - default default] [instance: 6710f48a-39cb-4719-9381-8ea0642862fc] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6710f48a-39cb-4719-9381-8ea0642862fc.
2026-07-16 17:10:33.579 10 WARNING neutronclient.v2_0.client [None req-475022fa-6efd-4bdb-8255-b2c16cb4ba8b 3acf4ffd6fc24cac89f0d8f142855c47 7125dd2dc0fb4c4eb7a243f7fd4b048e - - 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 6710f48a-39cb-4719-9381-8ea0642862fc.
2026-07-16 17:10:34.920 10 WARNING neutronclient.v2_0.client [None req-475022fa-6efd-4bdb-8255-b2c16cb4ba8b 3acf4ffd6fc24cac89f0d8f142855c47 7125dd2dc0fb4c4eb7a243f7fd4b048e - - 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 6710f48a-39cb-4719-9381-8ea0642862fc.
2026-07-16 17:10:55.371 10 ERROR nova.scheduler.utils [None req-9f6d17ee-b0c3-495c-96b2-d28288342ab3 f839c763e5684d03a3a38937311daa32 54383d5fb24149948f506f34a1b2e09a - - default default] [instance: 92158b02-87ff-47e7-ba37-90c7c57aec34] 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 92158b02-87ff-47e7-ba37-90c7c57aec34 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 17:10:55.372 10 WARNING nova.scheduler.utils [None req-9f6d17ee-b0c3-495c-96b2-d28288342ab3 f839c763e5684d03a3a38937311daa32 54383d5fb24149948f506f34a1b2e09a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 92158b02-87ff-47e7-ba37-90c7c57aec34.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 92158b02-87ff-47e7-ba37-90c7c57aec34.
2026-07-16 17:10:55.372 10 WARNING nova.scheduler.utils [None req-9f6d17ee-b0c3-495c-96b2-d28288342ab3 f839c763e5684d03a3a38937311daa32 54383d5fb24149948f506f34a1b2e09a - - default default] [instance: 92158b02-87ff-47e7-ba37-90c7c57aec34] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 92158b02-87ff-47e7-ba37-90c7c57aec34.
2026-07-16 17:10:55.421 10 WARNING neutronclient.v2_0.client [None req-9f6d17ee-b0c3-495c-96b2-d28288342ab3 f839c763e5684d03a3a38937311daa32 54383d5fb24149948f506f34a1b2e09a - - 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 92158b02-87ff-47e7-ba37-90c7c57aec34.
2026-07-16 17:10:55.611 10 WARNING neutronclient.v2_0.client [None req-9f6d17ee-b0c3-495c-96b2-d28288342ab3 f839c763e5684d03a3a38937311daa32 54383d5fb24149948f506f34a1b2e09a - - 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 92158b02-87ff-47e7-ba37-90c7c57aec34.
2026-07-16 17:11:40.204 12 ERROR nova.scheduler.utils [None req-de627027-ea38-4eb2-90b4-fb09ce64fd8f cab45c157a2248e0a725b3a2028cbf9d 84b612b9613044ddbab387f48d362870 - - default default] [instance: c186c842-cbfe-4133-87b2-7afc6e88f7ac] 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 c186c842-cbfe-4133-87b2-7afc6e88f7ac was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 17:11:40.205 12 WARNING nova.scheduler.utils [None req-de627027-ea38-4eb2-90b4-fb09ce64fd8f cab45c157a2248e0a725b3a2028cbf9d 84b612b9613044ddbab387f48d362870 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c186c842-cbfe-4133-87b2-7afc6e88f7ac.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c186c842-cbfe-4133-87b2-7afc6e88f7ac.
2026-07-16 17:11:40.206 12 WARNING nova.scheduler.utils [None req-de627027-ea38-4eb2-90b4-fb09ce64fd8f cab45c157a2248e0a725b3a2028cbf9d 84b612b9613044ddbab387f48d362870 - - default default] [instance: c186c842-cbfe-4133-87b2-7afc6e88f7ac] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c186c842-cbfe-4133-87b2-7afc6e88f7ac.
2026-07-16 17:11:40.266 12 WARNING neutronclient.v2_0.client [None req-de627027-ea38-4eb2-90b4-fb09ce64fd8f cab45c157a2248e0a725b3a2028cbf9d 84b612b9613044ddbab387f48d362870 - - 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 c186c842-cbfe-4133-87b2-7afc6e88f7ac.
2026-07-16 17:11:40.295 12 WARNING neutronclient.v2_0.client [None req-de627027-ea38-4eb2-90b4-fb09ce64fd8f cab45c157a2248e0a725b3a2028cbf9d 84b612b9613044ddbab387f48d362870 - - 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 c186c842-cbfe-4133-87b2-7afc6e88f7ac.
2026-07-16 17:12:29.072 10 ERROR nova.scheduler.utils [None req-99cd591b-bf83-4a89-aa88-829cdc81d049 514b540d585447eb8f036bf4e5bd0fd0 7821d237382f42079a3747ed78a64a26 - - default default] [instance: b8119a10-9e60-4988-bb20-d469c5924b6e] 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 b8119a10-9e60-4988-bb20-d469c5924b6e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 17:12:29.073 10 WARNING nova.scheduler.utils [None req-99cd591b-bf83-4a89-aa88-829cdc81d049 514b540d585447eb8f036bf4e5bd0fd0 7821d237382f42079a3747ed78a64a26 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b8119a10-9e60-4988-bb20-d469c5924b6e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b8119a10-9e60-4988-bb20-d469c5924b6e.
2026-07-16 17:12:29.073 10 WARNING nova.scheduler.utils [None req-99cd591b-bf83-4a89-aa88-829cdc81d049 514b540d585447eb8f036bf4e5bd0fd0 7821d237382f42079a3747ed78a64a26 - - default default] [instance: b8119a10-9e60-4988-bb20-d469c5924b6e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b8119a10-9e60-4988-bb20-d469c5924b6e.
2026-07-16 17:12:29.125 10 WARNING neutronclient.v2_0.client [None req-99cd591b-bf83-4a89-aa88-829cdc81d049 514b540d585447eb8f036bf4e5bd0fd0 7821d237382f42079a3747ed78a64a26 - - 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 b8119a10-9e60-4988-bb20-d469c5924b6e.
2026-07-16 17:12:29.152 10 WARNING neutronclient.v2_0.client [None req-99cd591b-bf83-4a89-aa88-829cdc81d049 514b540d585447eb8f036bf4e5bd0fd0 7821d237382f42079a3747ed78a64a26 - - 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 b8119a10-9e60-4988-bb20-d469c5924b6e.
2026-07-16 17:14:22.831 10 ERROR nova.scheduler.utils [None req-74af6291-61d8-4df8-9387-802677cf07ee 39cfebf3109644d281c7c7a67e249a9b f0722affc0484fc78df99d4dc05d6574 - - default default] [instance: f5db927d-f74b-4972-ac08-3e717bcdbc4d] 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 f5db927d-f74b-4972-ac08-3e717bcdbc4d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-07-16 17:14:22.832 10 WARNING nova.scheduler.utils [None req-74af6291-61d8-4df8-9387-802677cf07ee 39cfebf3109644d281c7c7a67e249a9b f0722affc0484fc78df99d4dc05d6574 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f5db927d-f74b-4972-ac08-3e717bcdbc4d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f5db927d-f74b-4972-ac08-3e717bcdbc4d.
2026-07-16 17:14:22.832 10 WARNING nova.scheduler.utils [None req-74af6291-61d8-4df8-9387-802677cf07ee 39cfebf3109644d281c7c7a67e249a9b f0722affc0484fc78df99d4dc05d6574 - - default default] [instance: f5db927d-f74b-4972-ac08-3e717bcdbc4d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f5db927d-f74b-4972-ac08-3e717bcdbc4d.
2026-07-16 17:14:22.876 10 WARNING neutronclient.v2_0.client [None req-74af6291-61d8-4df8-9387-802677cf07ee 39cfebf3109644d281c7c7a67e249a9b f0722affc0484fc78df99d4dc05d6574 - - 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 f5db927d-f74b-4972-ac08-3e717bcdbc4d.
2026-07-16 17:14:22.906 10 WARNING neutronclient.v2_0.client [None req-74af6291-61d8-4df8-9387-802677cf07ee 39cfebf3109644d281c7c7a67e249a9b f0722affc0484fc78df99d4dc05d6574 - - 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 f5db927d-f74b-4972-ac08-3e717bcdbc4d.