+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-14 11:04:27.458 1 INFO nova.utils [None req-87269893-621a-4884-92c7-6370adc1d6d6 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-14 11:04:27.633 1 INFO nova.utils [None req-87269893-621a-4884-92c7-6370adc1d6d6 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-14 11:04:28.633 1 INFO nova.utils [None req-87269893-621a-4884-92c7-6370adc1d6d6 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-14 11:04:28.636 1 WARNING oslo_service.backend._threading.service [None req-87269893-621a-4884-92c7-6370adc1d6d6 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-14 11:04:28.646 1 WARNING oslo_config.cfg [None req-87269893-621a-4884-92c7-6370adc1d6d6 - - - - - -] 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. 2026-07-14 11:04:28.688 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-14 11:04:28.710 13 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-14 11:45:19.763 10 INFO nova.utils [None req-2cc8370b-0cfe-4cbb-b02e-294d891027d9 5e01bd23067440aab75672d987cf6680 3aa4064e05b54051aecd0698fb41f124 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-14 11:45:19.933 10 INFO nova.compute.rpcapi [None req-6448549e-2d58-4de2-ae59-da1df61cdf6a - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-14 11:45:23.576 13 INFO nova.utils [None req-6c320e9b-9f88-4a0f-a296-71eb19ef3517 5e23a3bd877740e5a58299e33d9708c5 694a1bdf7fa54978b911024da5dc6be7 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-14 11:45:23.792 13 INFO nova.compute.rpcapi [None req-250bd862-c164-443b-9624-7639be5c2ecf - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-14 11:45:35.078 13 ERROR nova.scheduler.utils [None req-2cc8370b-0cfe-4cbb-b02e-294d891027d9 5e01bd23067440aab75672d987cf6680 3aa4064e05b54051aecd0698fb41f124 - - default default] [instance: 5c827853-594e-4e0d-87a9-fdc7e768c584] 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 5c827853-594e-4e0d-87a9-fdc7e768c584 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:45:35.080 13 WARNING nova.scheduler.utils [None req-2cc8370b-0cfe-4cbb-b02e-294d891027d9 5e01bd23067440aab75672d987cf6680 3aa4064e05b54051aecd0698fb41f124 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5c827853-594e-4e0d-87a9-fdc7e768c584.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5c827853-594e-4e0d-87a9-fdc7e768c584. 2026-07-14 11:45:35.080 13 WARNING nova.scheduler.utils [None req-2cc8370b-0cfe-4cbb-b02e-294d891027d9 5e01bd23067440aab75672d987cf6680 3aa4064e05b54051aecd0698fb41f124 - - default default] [instance: 5c827853-594e-4e0d-87a9-fdc7e768c584] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5c827853-594e-4e0d-87a9-fdc7e768c584. 2026-07-14 11:45:35.204 13 WARNING neutronclient.v2_0.client [None req-2cc8370b-0cfe-4cbb-b02e-294d891027d9 5e01bd23067440aab75672d987cf6680 3aa4064e05b54051aecd0698fb41f124 - - 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 5c827853-594e-4e0d-87a9-fdc7e768c584. 2026-07-14 11:45:35.938 13 WARNING neutronclient.v2_0.client [None req-2cc8370b-0cfe-4cbb-b02e-294d891027d9 5e01bd23067440aab75672d987cf6680 3aa4064e05b54051aecd0698fb41f124 - - 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 5c827853-594e-4e0d-87a9-fdc7e768c584. 2026-07-14 11:45:37.947 13 ERROR nova.scheduler.utils [None req-6c320e9b-9f88-4a0f-a296-71eb19ef3517 5e23a3bd877740e5a58299e33d9708c5 694a1bdf7fa54978b911024da5dc6be7 - - default default] [instance: 61483cee-1f3e-41f0-bd46-a35b8911ab90] 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 61483cee-1f3e-41f0-bd46-a35b8911ab90 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:45:37.948 13 WARNING nova.scheduler.utils [None req-6c320e9b-9f88-4a0f-a296-71eb19ef3517 5e23a3bd877740e5a58299e33d9708c5 694a1bdf7fa54978b911024da5dc6be7 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 61483cee-1f3e-41f0-bd46-a35b8911ab90.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 61483cee-1f3e-41f0-bd46-a35b8911ab90. 2026-07-14 11:45:37.948 13 WARNING nova.scheduler.utils [None req-6c320e9b-9f88-4a0f-a296-71eb19ef3517 5e23a3bd877740e5a58299e33d9708c5 694a1bdf7fa54978b911024da5dc6be7 - - default default] [instance: 61483cee-1f3e-41f0-bd46-a35b8911ab90] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 61483cee-1f3e-41f0-bd46-a35b8911ab90. 2026-07-14 11:45:38.002 13 WARNING neutronclient.v2_0.client [None req-6c320e9b-9f88-4a0f-a296-71eb19ef3517 5e23a3bd877740e5a58299e33d9708c5 694a1bdf7fa54978b911024da5dc6be7 - - 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 61483cee-1f3e-41f0-bd46-a35b8911ab90. 2026-07-14 11:45:38.065 13 WARNING neutronclient.v2_0.client [None req-6c320e9b-9f88-4a0f-a296-71eb19ef3517 5e23a3bd877740e5a58299e33d9708c5 694a1bdf7fa54978b911024da5dc6be7 - - 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 61483cee-1f3e-41f0-bd46-a35b8911ab90. 2026-07-14 11:45:54.635 13 ERROR nova.scheduler.utils [None req-ffaf2946-f6a8-4a1a-9d1c-415fb4f2b8d0 6fc9a98c6e7640ccbb37c45ee39ed2d7 51339d60bf384ce0aa3036cbf76ba8a0 - - default default] [instance: fbf3ac2d-4971-4027-b2de-28be364749f1] 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 fbf3ac2d-4971-4027-b2de-28be364749f1 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:45:54.636 13 WARNING nova.scheduler.utils [None req-ffaf2946-f6a8-4a1a-9d1c-415fb4f2b8d0 6fc9a98c6e7640ccbb37c45ee39ed2d7 51339d60bf384ce0aa3036cbf76ba8a0 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fbf3ac2d-4971-4027-b2de-28be364749f1.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fbf3ac2d-4971-4027-b2de-28be364749f1. 2026-07-14 11:45:54.636 13 WARNING nova.scheduler.utils [None req-ffaf2946-f6a8-4a1a-9d1c-415fb4f2b8d0 6fc9a98c6e7640ccbb37c45ee39ed2d7 51339d60bf384ce0aa3036cbf76ba8a0 - - default default] [instance: fbf3ac2d-4971-4027-b2de-28be364749f1] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fbf3ac2d-4971-4027-b2de-28be364749f1. 2026-07-14 11:45:54.684 13 WARNING neutronclient.v2_0.client [None req-ffaf2946-f6a8-4a1a-9d1c-415fb4f2b8d0 6fc9a98c6e7640ccbb37c45ee39ed2d7 51339d60bf384ce0aa3036cbf76ba8a0 - - 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 fbf3ac2d-4971-4027-b2de-28be364749f1. 2026-07-14 11:45:54.713 13 WARNING neutronclient.v2_0.client [None req-ffaf2946-f6a8-4a1a-9d1c-415fb4f2b8d0 6fc9a98c6e7640ccbb37c45ee39ed2d7 51339d60bf384ce0aa3036cbf76ba8a0 - - 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 fbf3ac2d-4971-4027-b2de-28be364749f1. 2026-07-14 11:46:07.135 13 ERROR nova.scheduler.utils [None req-9807ee48-df68-4ce4-af26-7ee74dcaadce 4c3107667d8041279e1f10629ed77d62 6496765477ee4124bd74c41f9865cb94 - - default default] [instance: 179d6d32-ae0e-48b7-8881-536a0876aa42] 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 179d6d32-ae0e-48b7-8881-536a0876aa42 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:46:07.136 13 WARNING nova.scheduler.utils [None req-9807ee48-df68-4ce4-af26-7ee74dcaadce 4c3107667d8041279e1f10629ed77d62 6496765477ee4124bd74c41f9865cb94 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 179d6d32-ae0e-48b7-8881-536a0876aa42.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 179d6d32-ae0e-48b7-8881-536a0876aa42. 2026-07-14 11:46:07.136 13 WARNING nova.scheduler.utils [None req-9807ee48-df68-4ce4-af26-7ee74dcaadce 4c3107667d8041279e1f10629ed77d62 6496765477ee4124bd74c41f9865cb94 - - default default] [instance: 179d6d32-ae0e-48b7-8881-536a0876aa42] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 179d6d32-ae0e-48b7-8881-536a0876aa42. 2026-07-14 11:46:07.204 13 WARNING neutronclient.v2_0.client [None req-9807ee48-df68-4ce4-af26-7ee74dcaadce 4c3107667d8041279e1f10629ed77d62 6496765477ee4124bd74c41f9865cb94 - - 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 179d6d32-ae0e-48b7-8881-536a0876aa42. 2026-07-14 11:46:07.261 13 WARNING neutronclient.v2_0.client [None req-9807ee48-df68-4ce4-af26-7ee74dcaadce 4c3107667d8041279e1f10629ed77d62 6496765477ee4124bd74c41f9865cb94 - - 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 179d6d32-ae0e-48b7-8881-536a0876aa42. 2026-07-14 11:46:40.657 10 ERROR nova.scheduler.utils [None req-9bd9e3ff-ed53-4258-9cca-5561dcc5f501 7b78f5a1662f411e84f45690955e8408 dd1969a556a94253adb0543c623ff790 - - default default] [instance: 38b2c9a9-a6a3-4fd4-a77c-668e2a8ea4b9] 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 38b2c9a9-a6a3-4fd4-a77c-668e2a8ea4b9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:46:40.658 10 WARNING nova.scheduler.utils [None req-9bd9e3ff-ed53-4258-9cca-5561dcc5f501 7b78f5a1662f411e84f45690955e8408 dd1969a556a94253adb0543c623ff790 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 38b2c9a9-a6a3-4fd4-a77c-668e2a8ea4b9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 38b2c9a9-a6a3-4fd4-a77c-668e2a8ea4b9. 2026-07-14 11:46:40.660 10 WARNING nova.scheduler.utils [None req-9bd9e3ff-ed53-4258-9cca-5561dcc5f501 7b78f5a1662f411e84f45690955e8408 dd1969a556a94253adb0543c623ff790 - - default default] [instance: 38b2c9a9-a6a3-4fd4-a77c-668e2a8ea4b9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 38b2c9a9-a6a3-4fd4-a77c-668e2a8ea4b9. 2026-07-14 11:46:40.756 10 WARNING neutronclient.v2_0.client [None req-9bd9e3ff-ed53-4258-9cca-5561dcc5f501 7b78f5a1662f411e84f45690955e8408 dd1969a556a94253adb0543c623ff790 - - 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 38b2c9a9-a6a3-4fd4-a77c-668e2a8ea4b9. 2026-07-14 11:46:41.487 10 WARNING neutronclient.v2_0.client [None req-9bd9e3ff-ed53-4258-9cca-5561dcc5f501 7b78f5a1662f411e84f45690955e8408 dd1969a556a94253adb0543c623ff790 - - 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 38b2c9a9-a6a3-4fd4-a77c-668e2a8ea4b9. 2026-07-14 11:47:11.876 13 ERROR nova.scheduler.utils [None req-b55e62aa-74f6-4994-b880-57b662d75b5c 204edd0369cb4b81bd7f3e277d0d270d d315a96c54944a4c9f328c61d9f05ac1 - - default default] [instance: a05f0a93-eabc-4414-a178-27cfba70648a] 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 a05f0a93-eabc-4414-a178-27cfba70648a was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:47:11.877 13 WARNING nova.scheduler.utils [None req-b55e62aa-74f6-4994-b880-57b662d75b5c 204edd0369cb4b81bd7f3e277d0d270d d315a96c54944a4c9f328c61d9f05ac1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a05f0a93-eabc-4414-a178-27cfba70648a.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a05f0a93-eabc-4414-a178-27cfba70648a. 2026-07-14 11:47:11.878 13 WARNING nova.scheduler.utils [None req-b55e62aa-74f6-4994-b880-57b662d75b5c 204edd0369cb4b81bd7f3e277d0d270d d315a96c54944a4c9f328c61d9f05ac1 - - default default] [instance: a05f0a93-eabc-4414-a178-27cfba70648a] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a05f0a93-eabc-4414-a178-27cfba70648a. 2026-07-14 11:47:11.949 13 WARNING neutronclient.v2_0.client [None req-b55e62aa-74f6-4994-b880-57b662d75b5c 204edd0369cb4b81bd7f3e277d0d270d d315a96c54944a4c9f328c61d9f05ac1 - - 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 a05f0a93-eabc-4414-a178-27cfba70648a. 2026-07-14 11:47:11.984 13 WARNING neutronclient.v2_0.client [None req-b55e62aa-74f6-4994-b880-57b662d75b5c 204edd0369cb4b81bd7f3e277d0d270d d315a96c54944a4c9f328c61d9f05ac1 - - 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 a05f0a93-eabc-4414-a178-27cfba70648a. 2026-07-14 11:47:54.621 13 ERROR nova.scheduler.utils [None req-40231a9b-895f-45e5-a3b8-860f513df2dc bac892b6abec4984a471ef35343b44bc 7080c52f04564ed4a83e0c719f9af2fa - - default default] [instance: 14aaf440-3829-4d2c-b128-741e944b6178] 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 14aaf440-3829-4d2c-b128-741e944b6178 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:47:54.622 13 WARNING nova.scheduler.utils [None req-40231a9b-895f-45e5-a3b8-860f513df2dc bac892b6abec4984a471ef35343b44bc 7080c52f04564ed4a83e0c719f9af2fa - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 14aaf440-3829-4d2c-b128-741e944b6178.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 14aaf440-3829-4d2c-b128-741e944b6178. 2026-07-14 11:47:54.622 13 WARNING nova.scheduler.utils [None req-40231a9b-895f-45e5-a3b8-860f513df2dc bac892b6abec4984a471ef35343b44bc 7080c52f04564ed4a83e0c719f9af2fa - - default default] [instance: 14aaf440-3829-4d2c-b128-741e944b6178] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 14aaf440-3829-4d2c-b128-741e944b6178. 2026-07-14 11:47:54.670 13 WARNING neutronclient.v2_0.client [None req-40231a9b-895f-45e5-a3b8-860f513df2dc bac892b6abec4984a471ef35343b44bc 7080c52f04564ed4a83e0c719f9af2fa - - 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 14aaf440-3829-4d2c-b128-741e944b6178. 2026-07-14 11:47:54.697 13 WARNING neutronclient.v2_0.client [None req-40231a9b-895f-45e5-a3b8-860f513df2dc bac892b6abec4984a471ef35343b44bc 7080c52f04564ed4a83e0c719f9af2fa - - 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 14aaf440-3829-4d2c-b128-741e944b6178. 2026-07-14 11:48:39.333 13 ERROR nova.scheduler.utils [None req-90bce564-b545-4cd5-987a-ad41555eb56f 04f498d0da324b90b2671132c32897aa a2debfa4fad8481a8cb21c183f9bab17 - - default default] [instance: 31d37c71-9386-4c59-a7fd-56a9cdf6e8b2] 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 31d37c71-9386-4c59-a7fd-56a9cdf6e8b2 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:48:39.335 13 WARNING nova.scheduler.utils [None req-90bce564-b545-4cd5-987a-ad41555eb56f 04f498d0da324b90b2671132c32897aa a2debfa4fad8481a8cb21c183f9bab17 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 31d37c71-9386-4c59-a7fd-56a9cdf6e8b2.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 31d37c71-9386-4c59-a7fd-56a9cdf6e8b2. 2026-07-14 11:48:39.335 13 WARNING nova.scheduler.utils [None req-90bce564-b545-4cd5-987a-ad41555eb56f 04f498d0da324b90b2671132c32897aa a2debfa4fad8481a8cb21c183f9bab17 - - default default] [instance: 31d37c71-9386-4c59-a7fd-56a9cdf6e8b2] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 31d37c71-9386-4c59-a7fd-56a9cdf6e8b2. 2026-07-14 11:48:39.383 13 WARNING neutronclient.v2_0.client [None req-90bce564-b545-4cd5-987a-ad41555eb56f 04f498d0da324b90b2671132c32897aa a2debfa4fad8481a8cb21c183f9bab17 - - 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 31d37c71-9386-4c59-a7fd-56a9cdf6e8b2. 2026-07-14 11:48:39.412 13 WARNING neutronclient.v2_0.client [None req-90bce564-b545-4cd5-987a-ad41555eb56f 04f498d0da324b90b2671132c32897aa a2debfa4fad8481a8cb21c183f9bab17 - - 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 31d37c71-9386-4c59-a7fd-56a9cdf6e8b2. 2026-07-14 11:49:18.224 13 ERROR nova.scheduler.utils [None req-bc831477-cfb1-4d2c-967d-69a7a6e85d09 70d02c2cf4c2429cb63b5badd4fe838f bafe225bce0646849fad57b58f911154 - - default default] [instance: d9672338-735e-4e4f-b054-9106c5f627f1] 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 d9672338-735e-4e4f-b054-9106c5f627f1 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:49:18.225 13 WARNING nova.scheduler.utils [None req-bc831477-cfb1-4d2c-967d-69a7a6e85d09 70d02c2cf4c2429cb63b5badd4fe838f bafe225bce0646849fad57b58f911154 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d9672338-735e-4e4f-b054-9106c5f627f1.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d9672338-735e-4e4f-b054-9106c5f627f1. 2026-07-14 11:49:18.225 13 WARNING nova.scheduler.utils [None req-bc831477-cfb1-4d2c-967d-69a7a6e85d09 70d02c2cf4c2429cb63b5badd4fe838f bafe225bce0646849fad57b58f911154 - - default default] [instance: d9672338-735e-4e4f-b054-9106c5f627f1] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d9672338-735e-4e4f-b054-9106c5f627f1. 2026-07-14 11:49:18.290 13 WARNING neutronclient.v2_0.client [None req-bc831477-cfb1-4d2c-967d-69a7a6e85d09 70d02c2cf4c2429cb63b5badd4fe838f bafe225bce0646849fad57b58f911154 - - 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 d9672338-735e-4e4f-b054-9106c5f627f1. 2026-07-14 11:49:18.327 13 WARNING neutronclient.v2_0.client [None req-bc831477-cfb1-4d2c-967d-69a7a6e85d09 70d02c2cf4c2429cb63b5badd4fe838f bafe225bce0646849fad57b58f911154 - - 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 d9672338-735e-4e4f-b054-9106c5f627f1. 2026-07-14 11:49:24.168 10 ERROR nova.scheduler.utils [None req-ec83d94c-06cc-420b-b3fd-80fc1a3c2b9b eeddc24fda844810894b6e036a42d9d9 074c47a759874b9aab55a76368a52cda - - default default] [instance: bcb5346a-b807-464c-97d9-cf81a6317c51] 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 bcb5346a-b807-464c-97d9-cf81a6317c51 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-14 11:49:24.169 10 WARNING nova.scheduler.utils [None req-ec83d94c-06cc-420b-b3fd-80fc1a3c2b9b eeddc24fda844810894b6e036a42d9d9 074c47a759874b9aab55a76368a52cda - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bcb5346a-b807-464c-97d9-cf81a6317c51.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bcb5346a-b807-464c-97d9-cf81a6317c51. 2026-07-14 11:49:24.169 10 WARNING nova.scheduler.utils [None req-ec83d94c-06cc-420b-b3fd-80fc1a3c2b9b eeddc24fda844810894b6e036a42d9d9 074c47a759874b9aab55a76368a52cda - - default default] [instance: bcb5346a-b807-464c-97d9-cf81a6317c51] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bcb5346a-b807-464c-97d9-cf81a6317c51. 2026-07-14 11:49:24.233 10 WARNING neutronclient.v2_0.client [None req-ec83d94c-06cc-420b-b3fd-80fc1a3c2b9b eeddc24fda844810894b6e036a42d9d9 074c47a759874b9aab55a76368a52cda - - 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 bcb5346a-b807-464c-97d9-cf81a6317c51. 2026-07-14 11:49:24.272 10 WARNING neutronclient.v2_0.client [None req-ec83d94c-06cc-420b-b3fd-80fc1a3c2b9b eeddc24fda844810894b6e036a42d9d9 074c47a759874b9aab55a76368a52cda - - 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 bcb5346a-b807-464c-97d9-cf81a6317c51.