+ exec nova-conductor --config-file /etc/nova/nova.conf
2026-09-12 07:12:02.372 1 INFO nova.utils [None req-8f84a62d-a957-4bc4-81fa-44991a635b14 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-09-12 07:12:02.571 1 INFO nova.utils [None req-8f84a62d-a957-4bc4-81fa-44991a635b14 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-09-12 07:12:03.570 1 INFO nova.utils [None req-8f84a62d-a957-4bc4-81fa-44991a635b14 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-09-12 07:12:03.574 1 WARNING oslo_service.backend._threading.service [None req-8f84a62d-a957-4bc4-81fa-44991a635b14 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback.
2026-09-12 07:12:03.587 1 WARNING oslo_config.cfg [None req-8f84a62d-a957-4bc4-81fa-44991a635b14 - - - - - -] Deprecated: Option "api_servers" from group "glance" is deprecated for removal (
Support for image service configuration via standard keystoneauth1 Adapter
options was added in the 17.0.0 Queens release. The api_servers option was
retained temporarily to allow consumers time to cut over to a real load
balancing solution.
).  Its value may be silently ignored in the future.
2026-09-12 07:12:03.646 10 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-09-12 07:12:03.661 12 INFO nova.service [-] Starting conductor node (version 33.1.0)
2026-09-12 07:53:30.138 10 INFO nova.utils [None req-99e9e5f7-eb5e-410c-b454-8d66bb5aa73c e55407bc09954492829616e4967e6fa8 2fe05553fc794ef8bfee0f5f5b824182 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-09-12 07:53:30.389 10 INFO nova.compute.rpcapi [None req-0fab9e8d-4fbf-4173-82e7-afa5ba3fbbb6 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-09-12 07:53:32.948 12 INFO nova.utils [None req-5841a55a-8c12-4eb2-975d-0ab7c552f1a3 1ace02985e6d4488a02e1815f7269eae fb8ed7bfd2ad4ffe81a2dcda361cc331 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized
2026-09-12 07:53:33.270 12 INFO nova.compute.rpcapi [None req-ec7c3cd1-0476-466e-8be1-b5eb7f55cf8e - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72
2026-09-12 07:53:45.906 12 ERROR nova.scheduler.utils [None req-99e9e5f7-eb5e-410c-b454-8d66bb5aa73c e55407bc09954492829616e4967e6fa8 2fe05553fc794ef8bfee0f5f5b824182 - - default default] [instance: 669a3710-1f70-45f7-95ed-4b1161e6b8ff] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 669a3710-1f70-45f7-95ed-4b1161e6b8ff was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-12 07:53:45.908 12 WARNING nova.scheduler.utils [None req-99e9e5f7-eb5e-410c-b454-8d66bb5aa73c e55407bc09954492829616e4967e6fa8 2fe05553fc794ef8bfee0f5f5b824182 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 669a3710-1f70-45f7-95ed-4b1161e6b8ff.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 669a3710-1f70-45f7-95ed-4b1161e6b8ff.
2026-09-12 07:53:45.909 12 WARNING nova.scheduler.utils [None req-99e9e5f7-eb5e-410c-b454-8d66bb5aa73c e55407bc09954492829616e4967e6fa8 2fe05553fc794ef8bfee0f5f5b824182 - - default default] [instance: 669a3710-1f70-45f7-95ed-4b1161e6b8ff] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 669a3710-1f70-45f7-95ed-4b1161e6b8ff.
2026-09-12 07:53:46.022 12 WARNING neutronclient.v2_0.client [None req-99e9e5f7-eb5e-410c-b454-8d66bb5aa73c e55407bc09954492829616e4967e6fa8 2fe05553fc794ef8bfee0f5f5b824182 - - 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 669a3710-1f70-45f7-95ed-4b1161e6b8ff.
2026-09-12 07:53:46.517 12 WARNING neutronclient.v2_0.client [None req-99e9e5f7-eb5e-410c-b454-8d66bb5aa73c e55407bc09954492829616e4967e6fa8 2fe05553fc794ef8bfee0f5f5b824182 - - 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 669a3710-1f70-45f7-95ed-4b1161e6b8ff.
2026-09-12 07:53:51.589 12 ERROR nova.scheduler.utils [None req-5841a55a-8c12-4eb2-975d-0ab7c552f1a3 1ace02985e6d4488a02e1815f7269eae fb8ed7bfd2ad4ffe81a2dcda361cc331 - - default default] [instance: db698c70-b420-43a3-b9ed-d9566b2767b8] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance db698c70-b420-43a3-b9ed-d9566b2767b8 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-12 07:53:51.593 12 WARNING nova.scheduler.utils [None req-5841a55a-8c12-4eb2-975d-0ab7c552f1a3 1ace02985e6d4488a02e1815f7269eae fb8ed7bfd2ad4ffe81a2dcda361cc331 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance db698c70-b420-43a3-b9ed-d9566b2767b8.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance db698c70-b420-43a3-b9ed-d9566b2767b8.
2026-09-12 07:53:51.594 12 WARNING nova.scheduler.utils [None req-5841a55a-8c12-4eb2-975d-0ab7c552f1a3 1ace02985e6d4488a02e1815f7269eae fb8ed7bfd2ad4ffe81a2dcda361cc331 - - default default] [instance: db698c70-b420-43a3-b9ed-d9566b2767b8] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance db698c70-b420-43a3-b9ed-d9566b2767b8.
2026-09-12 07:53:51.669 12 WARNING neutronclient.v2_0.client [None req-5841a55a-8c12-4eb2-975d-0ab7c552f1a3 1ace02985e6d4488a02e1815f7269eae fb8ed7bfd2ad4ffe81a2dcda361cc331 - - 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 db698c70-b420-43a3-b9ed-d9566b2767b8.
2026-09-12 07:53:51.718 12 WARNING neutronclient.v2_0.client [None req-5841a55a-8c12-4eb2-975d-0ab7c552f1a3 1ace02985e6d4488a02e1815f7269eae fb8ed7bfd2ad4ffe81a2dcda361cc331 - - 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 db698c70-b420-43a3-b9ed-d9566b2767b8.
2026-09-12 07:53:58.247 10 ERROR nova.scheduler.utils [None req-f0aa9e38-3fbc-4356-af92-3904bc4190ed 39fbbbf6b12048778c04c15d5cefb256 24652a56ca104ebfbc40ad2c4506dd79 - - default default] [instance: cfd6e582-55b4-4419-a3cd-c0e5886a0225] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance cfd6e582-55b4-4419-a3cd-c0e5886a0225 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-12 07:53:58.248 10 WARNING nova.scheduler.utils [None req-f0aa9e38-3fbc-4356-af92-3904bc4190ed 39fbbbf6b12048778c04c15d5cefb256 24652a56ca104ebfbc40ad2c4506dd79 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cfd6e582-55b4-4419-a3cd-c0e5886a0225.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cfd6e582-55b4-4419-a3cd-c0e5886a0225.
2026-09-12 07:53:58.249 10 WARNING nova.scheduler.utils [None req-f0aa9e38-3fbc-4356-af92-3904bc4190ed 39fbbbf6b12048778c04c15d5cefb256 24652a56ca104ebfbc40ad2c4506dd79 - - default default] [instance: cfd6e582-55b4-4419-a3cd-c0e5886a0225] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cfd6e582-55b4-4419-a3cd-c0e5886a0225.
2026-09-12 07:53:58.370 10 WARNING neutronclient.v2_0.client [None req-f0aa9e38-3fbc-4356-af92-3904bc4190ed 39fbbbf6b12048778c04c15d5cefb256 24652a56ca104ebfbc40ad2c4506dd79 - - 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 cfd6e582-55b4-4419-a3cd-c0e5886a0225.
2026-09-12 07:53:58.954 10 WARNING neutronclient.v2_0.client [None req-f0aa9e38-3fbc-4356-af92-3904bc4190ed 39fbbbf6b12048778c04c15d5cefb256 24652a56ca104ebfbc40ad2c4506dd79 - - 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 cfd6e582-55b4-4419-a3cd-c0e5886a0225.
2026-09-12 07:54:04.329 12 ERROR nova.scheduler.utils [None req-0037ca8e-6a03-401e-9f11-f24b84566383 0c7742b912064db5a9050e0c9a3e7a4f 7392d500e2a143b5937a3204f884269f - - default default] [instance: c56e666b-8471-4bfe-9ef6-b356a0ed9377] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance c56e666b-8471-4bfe-9ef6-b356a0ed9377 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-12 07:54:04.329 12 WARNING nova.scheduler.utils [None req-0037ca8e-6a03-401e-9f11-f24b84566383 0c7742b912064db5a9050e0c9a3e7a4f 7392d500e2a143b5937a3204f884269f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c56e666b-8471-4bfe-9ef6-b356a0ed9377.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c56e666b-8471-4bfe-9ef6-b356a0ed9377.
2026-09-12 07:54:04.329 12 WARNING nova.scheduler.utils [None req-0037ca8e-6a03-401e-9f11-f24b84566383 0c7742b912064db5a9050e0c9a3e7a4f 7392d500e2a143b5937a3204f884269f - - default default] [instance: c56e666b-8471-4bfe-9ef6-b356a0ed9377] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c56e666b-8471-4bfe-9ef6-b356a0ed9377.
2026-09-12 07:54:04.407 12 WARNING neutronclient.v2_0.client [None req-0037ca8e-6a03-401e-9f11-f24b84566383 0c7742b912064db5a9050e0c9a3e7a4f 7392d500e2a143b5937a3204f884269f - - 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 c56e666b-8471-4bfe-9ef6-b356a0ed9377.
2026-09-12 07:54:04.449 12 WARNING neutronclient.v2_0.client [None req-0037ca8e-6a03-401e-9f11-f24b84566383 0c7742b912064db5a9050e0c9a3e7a4f 7392d500e2a143b5937a3204f884269f - - 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 c56e666b-8471-4bfe-9ef6-b356a0ed9377.
2026-09-12 07:54:15.607 12 ERROR nova.scheduler.utils [None req-f75e8c68-51d0-4757-8a4c-d0f8a7127f22 cb030c5d36d64c40a3301dd0746863dc 2bb0c9dffe624151ab7a926bf7089cb4 - - default default] [instance: d5cbb1fb-028a-4a94-ac85-1370115adfcf] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d5cbb1fb-028a-4a94-ac85-1370115adfcf was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-12 07:54:15.610 12 WARNING nova.scheduler.utils [None req-f75e8c68-51d0-4757-8a4c-d0f8a7127f22 cb030c5d36d64c40a3301dd0746863dc 2bb0c9dffe624151ab7a926bf7089cb4 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d5cbb1fb-028a-4a94-ac85-1370115adfcf.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d5cbb1fb-028a-4a94-ac85-1370115adfcf.
2026-09-12 07:54:15.611 12 WARNING nova.scheduler.utils [None req-f75e8c68-51d0-4757-8a4c-d0f8a7127f22 cb030c5d36d64c40a3301dd0746863dc 2bb0c9dffe624151ab7a926bf7089cb4 - - default default] [instance: d5cbb1fb-028a-4a94-ac85-1370115adfcf] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d5cbb1fb-028a-4a94-ac85-1370115adfcf.
2026-09-12 07:54:15.686 12 WARNING neutronclient.v2_0.client [None req-f75e8c68-51d0-4757-8a4c-d0f8a7127f22 cb030c5d36d64c40a3301dd0746863dc 2bb0c9dffe624151ab7a926bf7089cb4 - - 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 d5cbb1fb-028a-4a94-ac85-1370115adfcf.
2026-09-12 07:54:15.719 12 WARNING neutronclient.v2_0.client [None req-f75e8c68-51d0-4757-8a4c-d0f8a7127f22 cb030c5d36d64c40a3301dd0746863dc 2bb0c9dffe624151ab7a926bf7089cb4 - - 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 d5cbb1fb-028a-4a94-ac85-1370115adfcf.
2026-09-12 07:54:29.062 12 ERROR nova.scheduler.utils [None req-5c086649-c0f4-4c23-a02a-c368c74a3f60 66eecb35851f4347af23a7ca96d96671 8dbc89b59731449b816baf9dbe48c73f - - default default] [instance: 1d7e51b5-2da3-4f59-b748-4b171f6224c2] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 1d7e51b5-2da3-4f59-b748-4b171f6224c2 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-12 07:54:29.064 12 WARNING nova.scheduler.utils [None req-5c086649-c0f4-4c23-a02a-c368c74a3f60 66eecb35851f4347af23a7ca96d96671 8dbc89b59731449b816baf9dbe48c73f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1d7e51b5-2da3-4f59-b748-4b171f6224c2.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1d7e51b5-2da3-4f59-b748-4b171f6224c2.
2026-09-12 07:54:29.064 12 WARNING nova.scheduler.utils [None req-5c086649-c0f4-4c23-a02a-c368c74a3f60 66eecb35851f4347af23a7ca96d96671 8dbc89b59731449b816baf9dbe48c73f - - default default] [instance: 1d7e51b5-2da3-4f59-b748-4b171f6224c2] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1d7e51b5-2da3-4f59-b748-4b171f6224c2.
2026-09-12 07:54:29.122 12 WARNING neutronclient.v2_0.client [None req-5c086649-c0f4-4c23-a02a-c368c74a3f60 66eecb35851f4347af23a7ca96d96671 8dbc89b59731449b816baf9dbe48c73f - - 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 1d7e51b5-2da3-4f59-b748-4b171f6224c2.
2026-09-12 07:54:29.146 12 WARNING neutronclient.v2_0.client [None req-5c086649-c0f4-4c23-a02a-c368c74a3f60 66eecb35851f4347af23a7ca96d96671 8dbc89b59731449b816baf9dbe48c73f - - 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 1d7e51b5-2da3-4f59-b748-4b171f6224c2.
2026-09-12 07:55:42.789 10 ERROR nova.scheduler.utils [None req-04c29a1f-d33b-4cb6-b5be-67a235698bc1 8546e359c4e5406aa57035dd63a9980e e5c18c1d60154e36b17251765f014fd0 - - default default] [instance: d28d7a4e-6241-48f5-ad5b-98c90eb69704] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d28d7a4e-6241-48f5-ad5b-98c90eb69704 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-12 07:55:42.793 10 WARNING nova.scheduler.utils [None req-04c29a1f-d33b-4cb6-b5be-67a235698bc1 8546e359c4e5406aa57035dd63a9980e e5c18c1d60154e36b17251765f014fd0 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d28d7a4e-6241-48f5-ad5b-98c90eb69704.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d28d7a4e-6241-48f5-ad5b-98c90eb69704.
2026-09-12 07:55:42.793 10 WARNING nova.scheduler.utils [None req-04c29a1f-d33b-4cb6-b5be-67a235698bc1 8546e359c4e5406aa57035dd63a9980e e5c18c1d60154e36b17251765f014fd0 - - default default] [instance: d28d7a4e-6241-48f5-ad5b-98c90eb69704] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d28d7a4e-6241-48f5-ad5b-98c90eb69704.
2026-09-12 07:55:42.854 10 WARNING neutronclient.v2_0.client [None req-04c29a1f-d33b-4cb6-b5be-67a235698bc1 8546e359c4e5406aa57035dd63a9980e e5c18c1d60154e36b17251765f014fd0 - - 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 d28d7a4e-6241-48f5-ad5b-98c90eb69704.
2026-09-12 07:55:42.892 10 WARNING neutronclient.v2_0.client [None req-04c29a1f-d33b-4cb6-b5be-67a235698bc1 8546e359c4e5406aa57035dd63a9980e e5c18c1d60154e36b17251765f014fd0 - - 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 d28d7a4e-6241-48f5-ad5b-98c90eb69704.
2026-09-12 07:56:07.487 10 ERROR nova.scheduler.utils [None req-a36b2b91-b5f3-4257-9016-1ab36e98ee6d cb820ffaf5cb46a39fde89c225327a07 a2f7ec96e15344b18990ab3e18db5684 - - default default] [instance: 1c5311b2-c65f-4d8e-8576-078bb468fd6b] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 1c5311b2-c65f-4d8e-8576-078bb468fd6b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-12 07:56:07.488 10 WARNING nova.scheduler.utils [None req-a36b2b91-b5f3-4257-9016-1ab36e98ee6d cb820ffaf5cb46a39fde89c225327a07 a2f7ec96e15344b18990ab3e18db5684 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1c5311b2-c65f-4d8e-8576-078bb468fd6b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1c5311b2-c65f-4d8e-8576-078bb468fd6b.
2026-09-12 07:56:07.489 10 WARNING nova.scheduler.utils [None req-a36b2b91-b5f3-4257-9016-1ab36e98ee6d cb820ffaf5cb46a39fde89c225327a07 a2f7ec96e15344b18990ab3e18db5684 - - default default] [instance: 1c5311b2-c65f-4d8e-8576-078bb468fd6b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1c5311b2-c65f-4d8e-8576-078bb468fd6b.
2026-09-12 07:56:07.555 10 WARNING neutronclient.v2_0.client [None req-a36b2b91-b5f3-4257-9016-1ab36e98ee6d cb820ffaf5cb46a39fde89c225327a07 a2f7ec96e15344b18990ab3e18db5684 - - 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 1c5311b2-c65f-4d8e-8576-078bb468fd6b.
2026-09-12 07:56:07.598 10 WARNING neutronclient.v2_0.client [None req-a36b2b91-b5f3-4257-9016-1ab36e98ee6d cb820ffaf5cb46a39fde89c225327a07 a2f7ec96e15344b18990ab3e18db5684 - - 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 1c5311b2-c65f-4d8e-8576-078bb468fd6b.
2026-09-12 07:56:43.304 12 ERROR nova.scheduler.utils [None req-f7fb1c52-bbdb-4181-87b5-8af4434fe2f7 94242c1e78114b5dbd3a99413742fa1a 1eda67b921914efa8aac4c313ef53a54 - - default default] [instance: a770f52b-6b29-4fcc-abe7-eb758cb01c32] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance a770f52b-6b29-4fcc-abe7-eb758cb01c32 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-12 07:56:43.307 12 WARNING nova.scheduler.utils [None req-f7fb1c52-bbdb-4181-87b5-8af4434fe2f7 94242c1e78114b5dbd3a99413742fa1a 1eda67b921914efa8aac4c313ef53a54 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a770f52b-6b29-4fcc-abe7-eb758cb01c32.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a770f52b-6b29-4fcc-abe7-eb758cb01c32.
2026-09-12 07:56:43.308 12 WARNING nova.scheduler.utils [None req-f7fb1c52-bbdb-4181-87b5-8af4434fe2f7 94242c1e78114b5dbd3a99413742fa1a 1eda67b921914efa8aac4c313ef53a54 - - default default] [instance: a770f52b-6b29-4fcc-abe7-eb758cb01c32] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a770f52b-6b29-4fcc-abe7-eb758cb01c32.
2026-09-12 07:56:43.365 12 WARNING neutronclient.v2_0.client [None req-f7fb1c52-bbdb-4181-87b5-8af4434fe2f7 94242c1e78114b5dbd3a99413742fa1a 1eda67b921914efa8aac4c313ef53a54 - - 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 a770f52b-6b29-4fcc-abe7-eb758cb01c32.
2026-09-12 07:56:43.398 12 WARNING neutronclient.v2_0.client [None req-f7fb1c52-bbdb-4181-87b5-8af4434fe2f7 94242c1e78114b5dbd3a99413742fa1a 1eda67b921914efa8aac4c313ef53a54 - - 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 a770f52b-6b29-4fcc-abe7-eb758cb01c32.
2026-09-12 07:57:33.112 10 ERROR nova.scheduler.utils [None req-47fbd6ac-ec3a-4d87-857a-71b915e8037b 8036857f47404d9b965b77fcd58e89aa eae258b5d664421a99b5e89d954ddb3e - - default default] [instance: b6735dcb-329c-496e-b319-f280de1a5aa6] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n    plugin = _EXT_MANAGER[plugin_name].obj\n             ~~~~~~~~~~~~^^^^^^^^^^^^^\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n    return self._extensions_by_name[name]\n           ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n    os_vif.plug(vif, instance_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n    raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n    self.driver.spawn(context, instance, image_meta,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n    self._create_guest_with_network(\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n    with excutils.save_and_reraise_exception():\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n    self.force_reraise()\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n    raise self.value\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n    self.plug_vifs(instance, network_info)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n    self.vif_driver.plug(instance, vif)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n    self._plug_os_vif(instance, vif_obj)\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n    raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n    self._build_and_run_instance(context, instance, image,\n', '  File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n    raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance b6735dcb-329c-496e-b319-f280de1a5aa6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n']
2026-09-12 07:57:33.114 10 WARNING nova.scheduler.utils [None req-47fbd6ac-ec3a-4d87-857a-71b915e8037b 8036857f47404d9b965b77fcd58e89aa eae258b5d664421a99b5e89d954ddb3e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b6735dcb-329c-496e-b319-f280de1a5aa6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b6735dcb-329c-496e-b319-f280de1a5aa6.
2026-09-12 07:57:33.115 10 WARNING nova.scheduler.utils [None req-47fbd6ac-ec3a-4d87-857a-71b915e8037b 8036857f47404d9b965b77fcd58e89aa eae258b5d664421a99b5e89d954ddb3e - - default default] [instance: b6735dcb-329c-496e-b319-f280de1a5aa6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance b6735dcb-329c-496e-b319-f280de1a5aa6.
2026-09-12 07:57:33.215 10 WARNING neutronclient.v2_0.client [None req-47fbd6ac-ec3a-4d87-857a-71b915e8037b 8036857f47404d9b965b77fcd58e89aa eae258b5d664421a99b5e89d954ddb3e - - 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 b6735dcb-329c-496e-b319-f280de1a5aa6.
2026-09-12 07:57:33.255 10 WARNING neutronclient.v2_0.client [None req-47fbd6ac-ec3a-4d87-857a-71b915e8037b 8036857f47404d9b965b77fcd58e89aa eae258b5d664421a99b5e89d954ddb3e - - 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 b6735dcb-329c-496e-b319-f280de1a5aa6.