+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-12 02:26:30.992 1 INFO nova.utils [None req-0503d577-981a-4065-b2c9-71b41b20951b - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-12 02:26:31.142 1 INFO nova.utils [None req-0503d577-981a-4065-b2c9-71b41b20951b - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-12 02:26:32.142 1 INFO nova.utils [None req-0503d577-981a-4065-b2c9-71b41b20951b - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-12 02:26:32.144 1 WARNING oslo_service.backend._threading.service [None req-0503d577-981a-4065-b2c9-71b41b20951b - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-12 02:26:32.153 1 WARNING oslo_config.cfg [None req-0503d577-981a-4065-b2c9-71b41b20951b - - - - - -] 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. 2026-07-12 02:26:32.200 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-12 02:26:32.216 13 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-12 03:05:46.261 10 INFO nova.utils [None req-7caa9ce3-9332-44dd-bb86-163428f6bf3b df97de4ac1d449a5a42099475e2351a4 f1fad659b6a9491da818628be3682674 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-12 03:05:46.465 10 INFO nova.compute.rpcapi [None req-299cf1d2-4a27-4c54-af2f-817114908ebb - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-12 03:05:46.526 13 INFO nova.utils [None req-58d01738-6f9e-468d-89a1-b17ed5e8cdf6 d0fd449693214e31ad2f94503bece6c5 65a6e19eb6214b71a9f4176b8955abdd - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-12 03:05:46.701 13 INFO nova.compute.rpcapi [None req-3e90234a-29dd-48cb-ba69-cc3a2e8da703 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-12 03:06:03.133 13 ERROR nova.scheduler.utils [None req-7caa9ce3-9332-44dd-bb86-163428f6bf3b df97de4ac1d449a5a42099475e2351a4 f1fad659b6a9491da818628be3682674 - - default default] [instance: 38c34eab-d920-4e79-bced-dd92ea4a26c7] 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 38c34eab-d920-4e79-bced-dd92ea4a26c7 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-12 03:06:03.135 13 WARNING nova.scheduler.utils [None req-7caa9ce3-9332-44dd-bb86-163428f6bf3b df97de4ac1d449a5a42099475e2351a4 f1fad659b6a9491da818628be3682674 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 38c34eab-d920-4e79-bced-dd92ea4a26c7.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 38c34eab-d920-4e79-bced-dd92ea4a26c7. 2026-07-12 03:06:03.135 13 WARNING nova.scheduler.utils [None req-7caa9ce3-9332-44dd-bb86-163428f6bf3b df97de4ac1d449a5a42099475e2351a4 f1fad659b6a9491da818628be3682674 - - default default] [instance: 38c34eab-d920-4e79-bced-dd92ea4a26c7] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 38c34eab-d920-4e79-bced-dd92ea4a26c7. 2026-07-12 03:06:03.229 13 WARNING neutronclient.v2_0.client [None req-7caa9ce3-9332-44dd-bb86-163428f6bf3b df97de4ac1d449a5a42099475e2351a4 f1fad659b6a9491da818628be3682674 - - 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 38c34eab-d920-4e79-bced-dd92ea4a26c7. 2026-07-12 03:06:03.711 13 WARNING neutronclient.v2_0.client [None req-7caa9ce3-9332-44dd-bb86-163428f6bf3b df97de4ac1d449a5a42099475e2351a4 f1fad659b6a9491da818628be3682674 - - 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 38c34eab-d920-4e79-bced-dd92ea4a26c7. 2026-07-12 03:06:04.696 13 ERROR nova.scheduler.utils [None req-58d01738-6f9e-468d-89a1-b17ed5e8cdf6 d0fd449693214e31ad2f94503bece6c5 65a6e19eb6214b71a9f4176b8955abdd - - default default] [instance: 9d463c7e-82b6-4744-ac60-8843c027dd7b] 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 9d463c7e-82b6-4744-ac60-8843c027dd7b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-12 03:06:04.697 13 WARNING nova.scheduler.utils [None req-58d01738-6f9e-468d-89a1-b17ed5e8cdf6 d0fd449693214e31ad2f94503bece6c5 65a6e19eb6214b71a9f4176b8955abdd - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9d463c7e-82b6-4744-ac60-8843c027dd7b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9d463c7e-82b6-4744-ac60-8843c027dd7b. 2026-07-12 03:06:04.704 13 WARNING nova.scheduler.utils [None req-58d01738-6f9e-468d-89a1-b17ed5e8cdf6 d0fd449693214e31ad2f94503bece6c5 65a6e19eb6214b71a9f4176b8955abdd - - default default] [instance: 9d463c7e-82b6-4744-ac60-8843c027dd7b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9d463c7e-82b6-4744-ac60-8843c027dd7b. 2026-07-12 03:06:04.762 13 WARNING neutronclient.v2_0.client [None req-58d01738-6f9e-468d-89a1-b17ed5e8cdf6 d0fd449693214e31ad2f94503bece6c5 65a6e19eb6214b71a9f4176b8955abdd - - 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 9d463c7e-82b6-4744-ac60-8843c027dd7b. 2026-07-12 03:06:04.792 13 WARNING neutronclient.v2_0.client [None req-58d01738-6f9e-468d-89a1-b17ed5e8cdf6 d0fd449693214e31ad2f94503bece6c5 65a6e19eb6214b71a9f4176b8955abdd - - 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 9d463c7e-82b6-4744-ac60-8843c027dd7b. 2026-07-12 03:06:12.827 10 ERROR nova.scheduler.utils [None req-998f8d25-a087-4293-b5ec-67702145be6b 107ae4ae92ca442eaaab6db5fa3f3abd 0a9552d6990f474fab8ff56ca7d5a9c0 - - default default] [instance: 0d998d8c-f2a6-496a-ba4d-aa9cc66ef8da] 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 0d998d8c-f2a6-496a-ba4d-aa9cc66ef8da was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-12 03:06:12.829 10 WARNING nova.scheduler.utils [None req-998f8d25-a087-4293-b5ec-67702145be6b 107ae4ae92ca442eaaab6db5fa3f3abd 0a9552d6990f474fab8ff56ca7d5a9c0 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0d998d8c-f2a6-496a-ba4d-aa9cc66ef8da.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0d998d8c-f2a6-496a-ba4d-aa9cc66ef8da. 2026-07-12 03:06:12.829 10 WARNING nova.scheduler.utils [None req-998f8d25-a087-4293-b5ec-67702145be6b 107ae4ae92ca442eaaab6db5fa3f3abd 0a9552d6990f474fab8ff56ca7d5a9c0 - - default default] [instance: 0d998d8c-f2a6-496a-ba4d-aa9cc66ef8da] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0d998d8c-f2a6-496a-ba4d-aa9cc66ef8da. 2026-07-12 03:06:12.935 10 WARNING neutronclient.v2_0.client [None req-998f8d25-a087-4293-b5ec-67702145be6b 107ae4ae92ca442eaaab6db5fa3f3abd 0a9552d6990f474fab8ff56ca7d5a9c0 - - 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 0d998d8c-f2a6-496a-ba4d-aa9cc66ef8da. 2026-07-12 03:06:13.472 10 WARNING neutronclient.v2_0.client [None req-998f8d25-a087-4293-b5ec-67702145be6b 107ae4ae92ca442eaaab6db5fa3f3abd 0a9552d6990f474fab8ff56ca7d5a9c0 - - 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 0d998d8c-f2a6-496a-ba4d-aa9cc66ef8da. 2026-07-12 03:06:24.301 10 ERROR nova.scheduler.utils [None req-0c6b00d3-65ea-428e-8b25-ae23461d4465 082391d31d4d4c0ea77efe55cef30064 99fac357553e4216838911f6231f0dd8 - - default default] [instance: 25a81a67-eb8b-4162-8e2e-1adcdf998d18] 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 25a81a67-eb8b-4162-8e2e-1adcdf998d18 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-12 03:06:24.302 10 WARNING nova.scheduler.utils [None req-0c6b00d3-65ea-428e-8b25-ae23461d4465 082391d31d4d4c0ea77efe55cef30064 99fac357553e4216838911f6231f0dd8 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 25a81a67-eb8b-4162-8e2e-1adcdf998d18.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 25a81a67-eb8b-4162-8e2e-1adcdf998d18. 2026-07-12 03:06:24.302 10 WARNING nova.scheduler.utils [None req-0c6b00d3-65ea-428e-8b25-ae23461d4465 082391d31d4d4c0ea77efe55cef30064 99fac357553e4216838911f6231f0dd8 - - default default] [instance: 25a81a67-eb8b-4162-8e2e-1adcdf998d18] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 25a81a67-eb8b-4162-8e2e-1adcdf998d18. 2026-07-12 03:06:24.379 10 WARNING neutronclient.v2_0.client [None req-0c6b00d3-65ea-428e-8b25-ae23461d4465 082391d31d4d4c0ea77efe55cef30064 99fac357553e4216838911f6231f0dd8 - - 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 25a81a67-eb8b-4162-8e2e-1adcdf998d18. 2026-07-12 03:06:24.417 10 WARNING neutronclient.v2_0.client [None req-0c6b00d3-65ea-428e-8b25-ae23461d4465 082391d31d4d4c0ea77efe55cef30064 99fac357553e4216838911f6231f0dd8 - - 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 25a81a67-eb8b-4162-8e2e-1adcdf998d18. 2026-07-12 03:06:40.725 10 ERROR nova.scheduler.utils [None req-27963cee-b1b1-474b-837d-e4675ac591fc aae260f2f2ca45a2bab8051f1740dc5d 5fb0518e897447a0a52f6b9e9d9e887c - - default default] [instance: df244011-d884-41a3-8db6-5e52e3719b29] 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 df244011-d884-41a3-8db6-5e52e3719b29 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-12 03:06:40.726 10 WARNING nova.scheduler.utils [None req-27963cee-b1b1-474b-837d-e4675ac591fc aae260f2f2ca45a2bab8051f1740dc5d 5fb0518e897447a0a52f6b9e9d9e887c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance df244011-d884-41a3-8db6-5e52e3719b29.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance df244011-d884-41a3-8db6-5e52e3719b29. 2026-07-12 03:06:40.726 10 WARNING nova.scheduler.utils [None req-27963cee-b1b1-474b-837d-e4675ac591fc aae260f2f2ca45a2bab8051f1740dc5d 5fb0518e897447a0a52f6b9e9d9e887c - - default default] [instance: df244011-d884-41a3-8db6-5e52e3719b29] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance df244011-d884-41a3-8db6-5e52e3719b29. 2026-07-12 03:06:40.765 10 WARNING neutronclient.v2_0.client [None req-27963cee-b1b1-474b-837d-e4675ac591fc aae260f2f2ca45a2bab8051f1740dc5d 5fb0518e897447a0a52f6b9e9d9e887c - - 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 df244011-d884-41a3-8db6-5e52e3719b29. 2026-07-12 03:06:40.804 10 WARNING neutronclient.v2_0.client [None req-27963cee-b1b1-474b-837d-e4675ac591fc aae260f2f2ca45a2bab8051f1740dc5d 5fb0518e897447a0a52f6b9e9d9e887c - - 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 df244011-d884-41a3-8db6-5e52e3719b29. 2026-07-12 03:06:53.479 10 ERROR nova.scheduler.utils [None req-5a1910ea-2d68-4182-8526-b966d748d240 6bba5ccfd8254407b26b5a5420e2a0e7 63da65a9b62144c0990c6aec25ad92a1 - - default default] [instance: 1a612b2b-bead-4c2c-885a-bda77b7a4de1] 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 1a612b2b-bead-4c2c-885a-bda77b7a4de1 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-12 03:06:53.481 10 WARNING nova.scheduler.utils [None req-5a1910ea-2d68-4182-8526-b966d748d240 6bba5ccfd8254407b26b5a5420e2a0e7 63da65a9b62144c0990c6aec25ad92a1 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1a612b2b-bead-4c2c-885a-bda77b7a4de1.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1a612b2b-bead-4c2c-885a-bda77b7a4de1. 2026-07-12 03:06:53.481 10 WARNING nova.scheduler.utils [None req-5a1910ea-2d68-4182-8526-b966d748d240 6bba5ccfd8254407b26b5a5420e2a0e7 63da65a9b62144c0990c6aec25ad92a1 - - default default] [instance: 1a612b2b-bead-4c2c-885a-bda77b7a4de1] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1a612b2b-bead-4c2c-885a-bda77b7a4de1. 2026-07-12 03:06:53.525 10 WARNING neutronclient.v2_0.client [None req-5a1910ea-2d68-4182-8526-b966d748d240 6bba5ccfd8254407b26b5a5420e2a0e7 63da65a9b62144c0990c6aec25ad92a1 - - 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 1a612b2b-bead-4c2c-885a-bda77b7a4de1. 2026-07-12 03:06:53.550 10 WARNING neutronclient.v2_0.client [None req-5a1910ea-2d68-4182-8526-b966d748d240 6bba5ccfd8254407b26b5a5420e2a0e7 63da65a9b62144c0990c6aec25ad92a1 - - 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 1a612b2b-bead-4c2c-885a-bda77b7a4de1. 2026-07-12 03:07:46.739 10 ERROR nova.scheduler.utils [None req-ec441100-a4bc-434f-83db-847302667053 d11cf4e9875e4decb76962ec313cacbd d68cebbc268747dea98b43d74c4c8a35 - - default default] [instance: 3e274be7-a43b-4768-9ed3-abd2aaf1d331] 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 3e274be7-a43b-4768-9ed3-abd2aaf1d331 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-12 03:07:46.740 10 WARNING nova.scheduler.utils [None req-ec441100-a4bc-434f-83db-847302667053 d11cf4e9875e4decb76962ec313cacbd d68cebbc268747dea98b43d74c4c8a35 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3e274be7-a43b-4768-9ed3-abd2aaf1d331.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3e274be7-a43b-4768-9ed3-abd2aaf1d331. 2026-07-12 03:07:46.741 10 WARNING nova.scheduler.utils [None req-ec441100-a4bc-434f-83db-847302667053 d11cf4e9875e4decb76962ec313cacbd d68cebbc268747dea98b43d74c4c8a35 - - default default] [instance: 3e274be7-a43b-4768-9ed3-abd2aaf1d331] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 3e274be7-a43b-4768-9ed3-abd2aaf1d331. 2026-07-12 03:07:46.787 10 WARNING neutronclient.v2_0.client [None req-ec441100-a4bc-434f-83db-847302667053 d11cf4e9875e4decb76962ec313cacbd d68cebbc268747dea98b43d74c4c8a35 - - 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 3e274be7-a43b-4768-9ed3-abd2aaf1d331. 2026-07-12 03:07:47.084 10 WARNING neutronclient.v2_0.client [None req-ec441100-a4bc-434f-83db-847302667053 d11cf4e9875e4decb76962ec313cacbd d68cebbc268747dea98b43d74c4c8a35 - - 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 3e274be7-a43b-4768-9ed3-abd2aaf1d331. 2026-07-12 03:07:58.645 10 ERROR nova.scheduler.utils [None req-e36cfb3e-fb54-4fac-8ef7-6a5a43c3d47c 112dfcd02f174c72b96598aeb3347b2b e61e90b21c944acbb747152cd57dad6b - - default default] [instance: f3848336-65d3-4a0a-806f-5f0e7d775b62] 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 f3848336-65d3-4a0a-806f-5f0e7d775b62 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-12 03:07:58.646 10 WARNING nova.scheduler.utils [None req-e36cfb3e-fb54-4fac-8ef7-6a5a43c3d47c 112dfcd02f174c72b96598aeb3347b2b e61e90b21c944acbb747152cd57dad6b - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f3848336-65d3-4a0a-806f-5f0e7d775b62.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f3848336-65d3-4a0a-806f-5f0e7d775b62. 2026-07-12 03:07:58.647 10 WARNING nova.scheduler.utils [None req-e36cfb3e-fb54-4fac-8ef7-6a5a43c3d47c 112dfcd02f174c72b96598aeb3347b2b e61e90b21c944acbb747152cd57dad6b - - default default] [instance: f3848336-65d3-4a0a-806f-5f0e7d775b62] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f3848336-65d3-4a0a-806f-5f0e7d775b62. 2026-07-12 03:07:58.690 10 WARNING neutronclient.v2_0.client [None req-e36cfb3e-fb54-4fac-8ef7-6a5a43c3d47c 112dfcd02f174c72b96598aeb3347b2b e61e90b21c944acbb747152cd57dad6b - - 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 f3848336-65d3-4a0a-806f-5f0e7d775b62. 2026-07-12 03:07:58.712 10 WARNING neutronclient.v2_0.client [None req-e36cfb3e-fb54-4fac-8ef7-6a5a43c3d47c 112dfcd02f174c72b96598aeb3347b2b e61e90b21c944acbb747152cd57dad6b - - 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 f3848336-65d3-4a0a-806f-5f0e7d775b62. 2026-07-12 03:08:40.298 10 ERROR nova.scheduler.utils [None req-b654c139-7d9d-428c-a828-36740715f704 5cb737f413d44834b99917b35d0dd76d 7fbbe82cb0c549c2b2243d409ff3a8b4 - - default default] [instance: 053fbdb4-7b65-4118-b015-ff7edb8559e6] 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 053fbdb4-7b65-4118-b015-ff7edb8559e6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-12 03:08:40.299 10 WARNING nova.scheduler.utils [None req-b654c139-7d9d-428c-a828-36740715f704 5cb737f413d44834b99917b35d0dd76d 7fbbe82cb0c549c2b2243d409ff3a8b4 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 053fbdb4-7b65-4118-b015-ff7edb8559e6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 053fbdb4-7b65-4118-b015-ff7edb8559e6. 2026-07-12 03:08:40.299 10 WARNING nova.scheduler.utils [None req-b654c139-7d9d-428c-a828-36740715f704 5cb737f413d44834b99917b35d0dd76d 7fbbe82cb0c549c2b2243d409ff3a8b4 - - default default] [instance: 053fbdb4-7b65-4118-b015-ff7edb8559e6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 053fbdb4-7b65-4118-b015-ff7edb8559e6. 2026-07-12 03:08:40.350 10 WARNING neutronclient.v2_0.client [None req-b654c139-7d9d-428c-a828-36740715f704 5cb737f413d44834b99917b35d0dd76d 7fbbe82cb0c549c2b2243d409ff3a8b4 - - 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 053fbdb4-7b65-4118-b015-ff7edb8559e6. 2026-07-12 03:08:40.393 10 WARNING neutronclient.v2_0.client [None req-b654c139-7d9d-428c-a828-36740715f704 5cb737f413d44834b99917b35d0dd76d 7fbbe82cb0c549c2b2243d409ff3a8b4 - - 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 053fbdb4-7b65-4118-b015-ff7edb8559e6. 2026-07-12 03:08:57.498 10 ERROR nova.scheduler.utils [None req-bbfdcd1b-c993-47f7-b1a4-5fc66b4a80b9 7441096b18814dc7b427f9d3fdbd9ea6 be3f9a8d5b024231a9d84a43c380473a - - default default] [instance: d8e4b5aa-e9a8-4c8c-bd42-4879b4e341ae] 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 d8e4b5aa-e9a8-4c8c-bd42-4879b4e341ae was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-12 03:08:57.499 10 WARNING nova.scheduler.utils [None req-bbfdcd1b-c993-47f7-b1a4-5fc66b4a80b9 7441096b18814dc7b427f9d3fdbd9ea6 be3f9a8d5b024231a9d84a43c380473a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d8e4b5aa-e9a8-4c8c-bd42-4879b4e341ae.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d8e4b5aa-e9a8-4c8c-bd42-4879b4e341ae. 2026-07-12 03:08:57.500 10 WARNING nova.scheduler.utils [None req-bbfdcd1b-c993-47f7-b1a4-5fc66b4a80b9 7441096b18814dc7b427f9d3fdbd9ea6 be3f9a8d5b024231a9d84a43c380473a - - default default] [instance: d8e4b5aa-e9a8-4c8c-bd42-4879b4e341ae] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d8e4b5aa-e9a8-4c8c-bd42-4879b4e341ae. 2026-07-12 03:08:57.562 10 WARNING neutronclient.v2_0.client [None req-bbfdcd1b-c993-47f7-b1a4-5fc66b4a80b9 7441096b18814dc7b427f9d3fdbd9ea6 be3f9a8d5b024231a9d84a43c380473a - - 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 d8e4b5aa-e9a8-4c8c-bd42-4879b4e341ae. 2026-07-12 03:08:57.592 10 WARNING neutronclient.v2_0.client [None req-bbfdcd1b-c993-47f7-b1a4-5fc66b4a80b9 7441096b18814dc7b427f9d3fdbd9ea6 be3f9a8d5b024231a9d84a43c380473a - - 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 d8e4b5aa-e9a8-4c8c-bd42-4879b4e341ae.