+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-15 20:30:15.760 1 INFO nova.utils [None req-3edf81c3-a12b-46c4-9eb9-62de771a8012 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-15 20:30:15.922 1 INFO nova.utils [None req-3edf81c3-a12b-46c4-9eb9-62de771a8012 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-15 20:30:16.921 1 INFO nova.utils [None req-3edf81c3-a12b-46c4-9eb9-62de771a8012 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-15 20:30:16.926 1 WARNING oslo_service.backend._threading.service [None req-3edf81c3-a12b-46c4-9eb9-62de771a8012 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-15 20:30:16.934 1 WARNING oslo_config.cfg [None req-3edf81c3-a12b-46c4-9eb9-62de771a8012 - - - - - -] 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. 2026-07-15 20:30:16.981 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-15 20:30:16.999 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-15 20:48:43.481 10 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 1.37 sec 2026-07-15 20:48:58.811 10 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 5.33 sec 2026-07-15 20:49:08.847 10 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 0.04 sec 2026-07-15 21:11:25.911 10 INFO nova.utils [None req-aeb3f3f1-ba8e-4a15-b2aa-efe3743cd65e 7571edbf5b6b42d3b9d1db1df05e1f86 dfe5f915a9414af6a0c6cfc7d3977bd8 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-15 21:11:26.125 10 INFO nova.compute.rpcapi [None req-6cdccf5b-388a-493a-ac9f-74033688759e - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-15 21:11:38.129 12 INFO nova.utils [None req-489880f4-9114-4843-8074-13eaf64e1cf8 9d9205fef6b4434a9c4d62ab86fe6225 d258fd4fd8ad499e98015ab5f419c99e - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-15 21:11:38.270 12 INFO nova.compute.rpcapi [None req-50942397-d670-4696-806a-6d74dde7750e - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-15 21:11:41.037 12 ERROR nova.scheduler.utils [None req-aeb3f3f1-ba8e-4a15-b2aa-efe3743cd65e 7571edbf5b6b42d3b9d1db1df05e1f86 dfe5f915a9414af6a0c6cfc7d3977bd8 - - default default] [instance: 5383efbf-46ff-4ab3-97ca-77aff14829cf] 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 2821, 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 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 5383efbf-46ff-4ab3-97ca-77aff14829cf was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 21:11:41.038 12 WARNING nova.scheduler.utils [None req-aeb3f3f1-ba8e-4a15-b2aa-efe3743cd65e 7571edbf5b6b42d3b9d1db1df05e1f86 dfe5f915a9414af6a0c6cfc7d3977bd8 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5383efbf-46ff-4ab3-97ca-77aff14829cf.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5383efbf-46ff-4ab3-97ca-77aff14829cf. 2026-07-15 21:11:41.038 12 WARNING nova.scheduler.utils [None req-aeb3f3f1-ba8e-4a15-b2aa-efe3743cd65e 7571edbf5b6b42d3b9d1db1df05e1f86 dfe5f915a9414af6a0c6cfc7d3977bd8 - - default default] [instance: 5383efbf-46ff-4ab3-97ca-77aff14829cf] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5383efbf-46ff-4ab3-97ca-77aff14829cf. 2026-07-15 21:11:41.123 12 WARNING neutronclient.v2_0.client [None req-aeb3f3f1-ba8e-4a15-b2aa-efe3743cd65e 7571edbf5b6b42d3b9d1db1df05e1f86 dfe5f915a9414af6a0c6cfc7d3977bd8 - - 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 5383efbf-46ff-4ab3-97ca-77aff14829cf. 2026-07-15 21:11:41.801 12 WARNING neutronclient.v2_0.client [None req-aeb3f3f1-ba8e-4a15-b2aa-efe3743cd65e 7571edbf5b6b42d3b9d1db1df05e1f86 dfe5f915a9414af6a0c6cfc7d3977bd8 - - 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 5383efbf-46ff-4ab3-97ca-77aff14829cf. 2026-07-15 21:11:47.394 10 ERROR nova.scheduler.utils [None req-f84b3849-15a6-4c94-84be-704cdf78d870 78f9eb130def441f809027bb15cbe412 ea064e46dd564972ad790c1c4cdefa1d - - default default] [instance: eb28c999-173d-455f-9f2f-44672fab7425] 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 2821, 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 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance eb28c999-173d-455f-9f2f-44672fab7425 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 21:11:47.395 10 WARNING nova.scheduler.utils [None req-f84b3849-15a6-4c94-84be-704cdf78d870 78f9eb130def441f809027bb15cbe412 ea064e46dd564972ad790c1c4cdefa1d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eb28c999-173d-455f-9f2f-44672fab7425.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eb28c999-173d-455f-9f2f-44672fab7425. 2026-07-15 21:11:47.395 10 WARNING nova.scheduler.utils [None req-f84b3849-15a6-4c94-84be-704cdf78d870 78f9eb130def441f809027bb15cbe412 ea064e46dd564972ad790c1c4cdefa1d - - default default] [instance: eb28c999-173d-455f-9f2f-44672fab7425] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance eb28c999-173d-455f-9f2f-44672fab7425. 2026-07-15 21:11:47.492 10 WARNING neutronclient.v2_0.client [None req-f84b3849-15a6-4c94-84be-704cdf78d870 78f9eb130def441f809027bb15cbe412 ea064e46dd564972ad790c1c4cdefa1d - - 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 eb28c999-173d-455f-9f2f-44672fab7425. 2026-07-15 21:11:48.073 10 WARNING neutronclient.v2_0.client [None req-f84b3849-15a6-4c94-84be-704cdf78d870 78f9eb130def441f809027bb15cbe412 ea064e46dd564972ad790c1c4cdefa1d - - 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 eb28c999-173d-455f-9f2f-44672fab7425. 2026-07-15 21:11:52.802 12 ERROR nova.scheduler.utils [None req-489880f4-9114-4843-8074-13eaf64e1cf8 9d9205fef6b4434a9c4d62ab86fe6225 d258fd4fd8ad499e98015ab5f419c99e - - default default] [instance: dbd9948c-0448-4ccd-b827-115267799923] 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 2821, 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 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance dbd9948c-0448-4ccd-b827-115267799923 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 21:11:52.803 12 WARNING nova.scheduler.utils [None req-489880f4-9114-4843-8074-13eaf64e1cf8 9d9205fef6b4434a9c4d62ab86fe6225 d258fd4fd8ad499e98015ab5f419c99e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dbd9948c-0448-4ccd-b827-115267799923.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dbd9948c-0448-4ccd-b827-115267799923. 2026-07-15 21:11:52.803 12 WARNING nova.scheduler.utils [None req-489880f4-9114-4843-8074-13eaf64e1cf8 9d9205fef6b4434a9c4d62ab86fe6225 d258fd4fd8ad499e98015ab5f419c99e - - default default] [instance: dbd9948c-0448-4ccd-b827-115267799923] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance dbd9948c-0448-4ccd-b827-115267799923. 2026-07-15 21:11:52.861 12 WARNING neutronclient.v2_0.client [None req-489880f4-9114-4843-8074-13eaf64e1cf8 9d9205fef6b4434a9c4d62ab86fe6225 d258fd4fd8ad499e98015ab5f419c99e - - 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 dbd9948c-0448-4ccd-b827-115267799923. 2026-07-15 21:11:53.255 12 WARNING neutronclient.v2_0.client [None req-489880f4-9114-4843-8074-13eaf64e1cf8 9d9205fef6b4434a9c4d62ab86fe6225 d258fd4fd8ad499e98015ab5f419c99e - - 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 dbd9948c-0448-4ccd-b827-115267799923. 2026-07-15 21:12:11.863 12 ERROR nova.scheduler.utils [None req-cc756e24-d08c-451f-993a-7e2817c2e782 4c67c51954c04e0b9272a5d843ecca1c 5898748f1cbc401c93267b10fb11092a - - default default] [instance: 7a3a5ee1-4897-4b53-9019-22a0f7cffc29] 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 2821, 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 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 7a3a5ee1-4897-4b53-9019-22a0f7cffc29 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 21:12:11.866 12 WARNING nova.scheduler.utils [None req-cc756e24-d08c-451f-993a-7e2817c2e782 4c67c51954c04e0b9272a5d843ecca1c 5898748f1cbc401c93267b10fb11092a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7a3a5ee1-4897-4b53-9019-22a0f7cffc29.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7a3a5ee1-4897-4b53-9019-22a0f7cffc29. 2026-07-15 21:12:11.867 12 WARNING nova.scheduler.utils [None req-cc756e24-d08c-451f-993a-7e2817c2e782 4c67c51954c04e0b9272a5d843ecca1c 5898748f1cbc401c93267b10fb11092a - - default default] [instance: 7a3a5ee1-4897-4b53-9019-22a0f7cffc29] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 7a3a5ee1-4897-4b53-9019-22a0f7cffc29. 2026-07-15 21:12:11.936 12 WARNING neutronclient.v2_0.client [None req-cc756e24-d08c-451f-993a-7e2817c2e782 4c67c51954c04e0b9272a5d843ecca1c 5898748f1cbc401c93267b10fb11092a - - 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 7a3a5ee1-4897-4b53-9019-22a0f7cffc29. 2026-07-15 21:12:11.970 12 WARNING neutronclient.v2_0.client [None req-cc756e24-d08c-451f-993a-7e2817c2e782 4c67c51954c04e0b9272a5d843ecca1c 5898748f1cbc401c93267b10fb11092a - - 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 7a3a5ee1-4897-4b53-9019-22a0f7cffc29. 2026-07-15 21:12:18.519 12 ERROR nova.scheduler.utils [None req-29edafe6-ee96-4987-811e-63264beba407 7b0ed866ee7f43f89456c17a3b3dbcc3 53461ccedc4c4cc08d79241640a2a52c - - default default] [instance: 0649b130-deb1-4023-a7ec-86990ed46084] 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 2821, 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 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 0649b130-deb1-4023-a7ec-86990ed46084 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 21:12:18.521 12 WARNING nova.scheduler.utils [None req-29edafe6-ee96-4987-811e-63264beba407 7b0ed866ee7f43f89456c17a3b3dbcc3 53461ccedc4c4cc08d79241640a2a52c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0649b130-deb1-4023-a7ec-86990ed46084.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0649b130-deb1-4023-a7ec-86990ed46084. 2026-07-15 21:12:18.522 12 WARNING nova.scheduler.utils [None req-29edafe6-ee96-4987-811e-63264beba407 7b0ed866ee7f43f89456c17a3b3dbcc3 53461ccedc4c4cc08d79241640a2a52c - - default default] [instance: 0649b130-deb1-4023-a7ec-86990ed46084] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0649b130-deb1-4023-a7ec-86990ed46084. 2026-07-15 21:12:18.583 12 WARNING neutronclient.v2_0.client [None req-29edafe6-ee96-4987-811e-63264beba407 7b0ed866ee7f43f89456c17a3b3dbcc3 53461ccedc4c4cc08d79241640a2a52c - - 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 0649b130-deb1-4023-a7ec-86990ed46084. 2026-07-15 21:12:18.610 12 WARNING neutronclient.v2_0.client [None req-29edafe6-ee96-4987-811e-63264beba407 7b0ed866ee7f43f89456c17a3b3dbcc3 53461ccedc4c4cc08d79241640a2a52c - - 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 0649b130-deb1-4023-a7ec-86990ed46084. 2026-07-15 21:12:45.867 12 ERROR nova.scheduler.utils [None req-6686cd53-fe51-46fb-b439-cb3589f2ef36 9afeae72a09b48c69d498de59b2a677b caf58bcbcb2c46ff9d8e6ab4870bd00e - - default default] [instance: 60ec97cb-d50a-44d2-8ce5-f87e8ae2d5ca] 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 2821, 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 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 60ec97cb-d50a-44d2-8ce5-f87e8ae2d5ca was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 21:12:45.868 12 WARNING nova.scheduler.utils [None req-6686cd53-fe51-46fb-b439-cb3589f2ef36 9afeae72a09b48c69d498de59b2a677b caf58bcbcb2c46ff9d8e6ab4870bd00e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 60ec97cb-d50a-44d2-8ce5-f87e8ae2d5ca.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 60ec97cb-d50a-44d2-8ce5-f87e8ae2d5ca. 2026-07-15 21:12:45.868 12 WARNING nova.scheduler.utils [None req-6686cd53-fe51-46fb-b439-cb3589f2ef36 9afeae72a09b48c69d498de59b2a677b caf58bcbcb2c46ff9d8e6ab4870bd00e - - default default] [instance: 60ec97cb-d50a-44d2-8ce5-f87e8ae2d5ca] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 60ec97cb-d50a-44d2-8ce5-f87e8ae2d5ca. 2026-07-15 21:12:45.911 12 WARNING neutronclient.v2_0.client [None req-6686cd53-fe51-46fb-b439-cb3589f2ef36 9afeae72a09b48c69d498de59b2a677b caf58bcbcb2c46ff9d8e6ab4870bd00e - - 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 60ec97cb-d50a-44d2-8ce5-f87e8ae2d5ca. 2026-07-15 21:12:45.946 12 WARNING neutronclient.v2_0.client [None req-6686cd53-fe51-46fb-b439-cb3589f2ef36 9afeae72a09b48c69d498de59b2a677b caf58bcbcb2c46ff9d8e6ab4870bd00e - - 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 60ec97cb-d50a-44d2-8ce5-f87e8ae2d5ca. 2026-07-15 21:12:58.530 10 ERROR nova.scheduler.utils [None req-2a4ba190-a778-476c-9569-e0917b3a6eca e1a63699844c4357a4860b7a03d52d58 844c911868644e5cb60c5d5dcff84105 - - default default] [instance: 85084807-6a4f-48de-bdcb-eb60458b3844] 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 2821, 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 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 85084807-6a4f-48de-bdcb-eb60458b3844 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 21:12:58.531 10 WARNING nova.scheduler.utils [None req-2a4ba190-a778-476c-9569-e0917b3a6eca e1a63699844c4357a4860b7a03d52d58 844c911868644e5cb60c5d5dcff84105 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 85084807-6a4f-48de-bdcb-eb60458b3844.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 85084807-6a4f-48de-bdcb-eb60458b3844. 2026-07-15 21:12:58.531 10 WARNING nova.scheduler.utils [None req-2a4ba190-a778-476c-9569-e0917b3a6eca e1a63699844c4357a4860b7a03d52d58 844c911868644e5cb60c5d5dcff84105 - - default default] [instance: 85084807-6a4f-48de-bdcb-eb60458b3844] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 85084807-6a4f-48de-bdcb-eb60458b3844. 2026-07-15 21:12:58.587 10 WARNING neutronclient.v2_0.client [None req-2a4ba190-a778-476c-9569-e0917b3a6eca e1a63699844c4357a4860b7a03d52d58 844c911868644e5cb60c5d5dcff84105 - - 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 85084807-6a4f-48de-bdcb-eb60458b3844. 2026-07-15 21:12:58.618 10 WARNING neutronclient.v2_0.client [None req-2a4ba190-a778-476c-9569-e0917b3a6eca e1a63699844c4357a4860b7a03d52d58 844c911868644e5cb60c5d5dcff84105 - - 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 85084807-6a4f-48de-bdcb-eb60458b3844. 2026-07-15 21:14:26.199 10 ERROR nova.scheduler.utils [None req-8fa426c1-d369-4d94-91c2-8a0e3f84f54d 7a27f289bc5f41808d7e1844b3da423f 325c4c3352d7411c8789ce99c523752a - - default default] [instance: 3df3e086-bff4-48d5-b314-e05b39488958] 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 2821, 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 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 3df3e086-bff4-48d5-b314-e05b39488958 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 21:14:26.201 10 WARNING nova.scheduler.utils [None req-8fa426c1-d369-4d94-91c2-8a0e3f84f54d 7a27f289bc5f41808d7e1844b3da423f 325c4c3352d7411c8789ce99c523752a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3df3e086-bff4-48d5-b314-e05b39488958.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3df3e086-bff4-48d5-b314-e05b39488958. 2026-07-15 21:14:26.201 10 WARNING nova.scheduler.utils [None req-8fa426c1-d369-4d94-91c2-8a0e3f84f54d 7a27f289bc5f41808d7e1844b3da423f 325c4c3352d7411c8789ce99c523752a - - default default] [instance: 3df3e086-bff4-48d5-b314-e05b39488958] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3df3e086-bff4-48d5-b314-e05b39488958. 2026-07-15 21:14:26.244 10 WARNING neutronclient.v2_0.client [None req-8fa426c1-d369-4d94-91c2-8a0e3f84f54d 7a27f289bc5f41808d7e1844b3da423f 325c4c3352d7411c8789ce99c523752a - - 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 3df3e086-bff4-48d5-b314-e05b39488958. 2026-07-15 21:14:26.274 10 WARNING neutronclient.v2_0.client [None req-8fa426c1-d369-4d94-91c2-8a0e3f84f54d 7a27f289bc5f41808d7e1844b3da423f 325c4c3352d7411c8789ce99c523752a - - 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 3df3e086-bff4-48d5-b314-e05b39488958. 2026-07-15 21:14:49.808 12 ERROR nova.scheduler.utils [None req-7ecc47ba-7cbe-49c4-b750-b21f5e1d0af2 d70c36c30bee4944ae39333470d05c4b 776fed615c9349d9860c561cb8a109e5 - - default default] [instance: 2ba01cc7-5b0f-4645-b93f-1e9f28258766] 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 2821, 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 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 2ba01cc7-5b0f-4645-b93f-1e9f28258766 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 21:14:49.809 12 WARNING nova.scheduler.utils [None req-7ecc47ba-7cbe-49c4-b750-b21f5e1d0af2 d70c36c30bee4944ae39333470d05c4b 776fed615c9349d9860c561cb8a109e5 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2ba01cc7-5b0f-4645-b93f-1e9f28258766.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2ba01cc7-5b0f-4645-b93f-1e9f28258766. 2026-07-15 21:14:49.817 12 WARNING nova.scheduler.utils [None req-7ecc47ba-7cbe-49c4-b750-b21f5e1d0af2 d70c36c30bee4944ae39333470d05c4b 776fed615c9349d9860c561cb8a109e5 - - default default] [instance: 2ba01cc7-5b0f-4645-b93f-1e9f28258766] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2ba01cc7-5b0f-4645-b93f-1e9f28258766. 2026-07-15 21:14:49.859 12 WARNING neutronclient.v2_0.client [None req-7ecc47ba-7cbe-49c4-b750-b21f5e1d0af2 d70c36c30bee4944ae39333470d05c4b 776fed615c9349d9860c561cb8a109e5 - - 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 2ba01cc7-5b0f-4645-b93f-1e9f28258766. 2026-07-15 21:14:49.883 12 WARNING neutronclient.v2_0.client [None req-7ecc47ba-7cbe-49c4-b750-b21f5e1d0af2 d70c36c30bee4944ae39333470d05c4b 776fed615c9349d9860c561cb8a109e5 - - 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 2ba01cc7-5b0f-4645-b93f-1e9f28258766. 2026-07-15 21:14:59.282 12 ERROR nova.scheduler.utils [None req-7ea321ae-6099-4db2-bf16-08e9700c9dfa 5639be8eeeba48279bd00a9b9e86b833 b960d5328c4145d3883a7c7e2cc6da58 - - default default] [instance: 93c22984-fbd3-42ce-8e61-55d73121103c] 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 2821, 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 4879, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8471, 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 8444, 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 1511, 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 2636, 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 2929, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 93c22984-fbd3-42ce-8e61-55d73121103c was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-15 21:14:59.283 12 WARNING nova.scheduler.utils [None req-7ea321ae-6099-4db2-bf16-08e9700c9dfa 5639be8eeeba48279bd00a9b9e86b833 b960d5328c4145d3883a7c7e2cc6da58 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 93c22984-fbd3-42ce-8e61-55d73121103c.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 93c22984-fbd3-42ce-8e61-55d73121103c. 2026-07-15 21:14:59.283 12 WARNING nova.scheduler.utils [None req-7ea321ae-6099-4db2-bf16-08e9700c9dfa 5639be8eeeba48279bd00a9b9e86b833 b960d5328c4145d3883a7c7e2cc6da58 - - default default] [instance: 93c22984-fbd3-42ce-8e61-55d73121103c] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 93c22984-fbd3-42ce-8e61-55d73121103c. 2026-07-15 21:14:59.329 12 WARNING neutronclient.v2_0.client [None req-7ea321ae-6099-4db2-bf16-08e9700c9dfa 5639be8eeeba48279bd00a9b9e86b833 b960d5328c4145d3883a7c7e2cc6da58 - - 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 93c22984-fbd3-42ce-8e61-55d73121103c. 2026-07-15 21:14:59.354 12 WARNING neutronclient.v2_0.client [None req-7ea321ae-6099-4db2-bf16-08e9700c9dfa 5639be8eeeba48279bd00a9b9e86b833 b960d5328c4145d3883a7c7e2cc6da58 - - 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 93c22984-fbd3-42ce-8e61-55d73121103c.