+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-18 14:49:21.591 1 INFO nova.utils [None req-1d68a145-bc8b-43b2-9399-924657853583 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-18 14:49:21.769 1 INFO nova.utils [None req-1d68a145-bc8b-43b2-9399-924657853583 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-18 14:49:22.769 1 INFO nova.utils [None req-1d68a145-bc8b-43b2-9399-924657853583 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-18 14:49:22.772 1 WARNING oslo_service.backend._threading.service [None req-1d68a145-bc8b-43b2-9399-924657853583 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-18 14:49:22.781 1 WARNING oslo_config.cfg [None req-1d68a145-bc8b-43b2-9399-924657853583 - - - - - -] 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. 2026-07-18 14:49:22.830 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-18 14:49:22.846 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-18 15:27:14.815 10 INFO nova.utils [None req-4d616669-520c-4805-99ab-39f8aa9e748e 8c421cdcfe29464182f9397875ff7842 e0413ce4be8642fe95bf3c328f1c7047 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-18 15:27:14.970 10 INFO nova.compute.rpcapi [None req-770d6d1f-dd3e-453f-bd27-c1ec9213edc9 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-18 15:27:16.192 12 INFO nova.utils [None req-e84d818b-6937-45b3-860e-f1e068801e71 541006074a504bea861026fc7d7287ab 3fca2db25ae7441f8ddbea782fe96b9e - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-18 15:27:16.350 12 INFO nova.compute.rpcapi [None req-6f86b946-1050-4e2b-8219-8f5e8d232f6f - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-18 15:27:34.648 12 ERROR nova.scheduler.utils [None req-4d616669-520c-4805-99ab-39f8aa9e748e 8c421cdcfe29464182f9397875ff7842 e0413ce4be8642fe95bf3c328f1c7047 - - default default] [instance: 0259b488-249e-4c38-b792-4a8aacab1cd9] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 0259b488-249e-4c38-b792-4a8aacab1cd9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-18 15:27:34.649 12 WARNING nova.scheduler.utils [None req-4d616669-520c-4805-99ab-39f8aa9e748e 8c421cdcfe29464182f9397875ff7842 e0413ce4be8642fe95bf3c328f1c7047 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0259b488-249e-4c38-b792-4a8aacab1cd9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0259b488-249e-4c38-b792-4a8aacab1cd9. 2026-07-18 15:27:34.649 12 WARNING nova.scheduler.utils [None req-4d616669-520c-4805-99ab-39f8aa9e748e 8c421cdcfe29464182f9397875ff7842 e0413ce4be8642fe95bf3c328f1c7047 - - default default] [instance: 0259b488-249e-4c38-b792-4a8aacab1cd9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0259b488-249e-4c38-b792-4a8aacab1cd9. 2026-07-18 15:27:34.741 12 WARNING neutronclient.v2_0.client [None req-4d616669-520c-4805-99ab-39f8aa9e748e 8c421cdcfe29464182f9397875ff7842 e0413ce4be8642fe95bf3c328f1c7047 - - 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 0259b488-249e-4c38-b792-4a8aacab1cd9. 2026-07-18 15:27:35.374 12 WARNING neutronclient.v2_0.client [None req-4d616669-520c-4805-99ab-39f8aa9e748e 8c421cdcfe29464182f9397875ff7842 e0413ce4be8642fe95bf3c328f1c7047 - - 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 0259b488-249e-4c38-b792-4a8aacab1cd9. 2026-07-18 15:27:37.054 10 ERROR nova.scheduler.utils [None req-e84d818b-6937-45b3-860e-f1e068801e71 541006074a504bea861026fc7d7287ab 3fca2db25ae7441f8ddbea782fe96b9e - - default default] [instance: 1a1b11ce-3a22-4eff-b31a-1054317bfb8b] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 1a1b11ce-3a22-4eff-b31a-1054317bfb8b was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-18 15:27:37.055 10 WARNING nova.scheduler.utils [None req-e84d818b-6937-45b3-860e-f1e068801e71 541006074a504bea861026fc7d7287ab 3fca2db25ae7441f8ddbea782fe96b9e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1a1b11ce-3a22-4eff-b31a-1054317bfb8b.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1a1b11ce-3a22-4eff-b31a-1054317bfb8b. 2026-07-18 15:27:37.056 10 WARNING nova.scheduler.utils [None req-e84d818b-6937-45b3-860e-f1e068801e71 541006074a504bea861026fc7d7287ab 3fca2db25ae7441f8ddbea782fe96b9e - - default default] [instance: 1a1b11ce-3a22-4eff-b31a-1054317bfb8b] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 1a1b11ce-3a22-4eff-b31a-1054317bfb8b. 2026-07-18 15:27:37.146 10 WARNING neutronclient.v2_0.client [None req-e84d818b-6937-45b3-860e-f1e068801e71 541006074a504bea861026fc7d7287ab 3fca2db25ae7441f8ddbea782fe96b9e - - 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 1a1b11ce-3a22-4eff-b31a-1054317bfb8b. 2026-07-18 15:27:37.851 10 WARNING neutronclient.v2_0.client [None req-e84d818b-6937-45b3-860e-f1e068801e71 541006074a504bea861026fc7d7287ab 3fca2db25ae7441f8ddbea782fe96b9e - - 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 1a1b11ce-3a22-4eff-b31a-1054317bfb8b. 2026-07-18 15:27:41.351 12 ERROR nova.scheduler.utils [None req-410142c5-74ba-473c-b8be-8083b0e03070 70c19ea1987d40ce9897d5d9b0be6763 0f2676f6d5cf49348b9dc3d155a789c2 - - default default] [instance: 29689023-426d-46cf-8644-b0ee15b6bfa2] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 29689023-426d-46cf-8644-b0ee15b6bfa2 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-18 15:27:41.354 12 WARNING nova.scheduler.utils [None req-410142c5-74ba-473c-b8be-8083b0e03070 70c19ea1987d40ce9897d5d9b0be6763 0f2676f6d5cf49348b9dc3d155a789c2 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 29689023-426d-46cf-8644-b0ee15b6bfa2.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 29689023-426d-46cf-8644-b0ee15b6bfa2. 2026-07-18 15:27:41.354 12 WARNING nova.scheduler.utils [None req-410142c5-74ba-473c-b8be-8083b0e03070 70c19ea1987d40ce9897d5d9b0be6763 0f2676f6d5cf49348b9dc3d155a789c2 - - default default] [instance: 29689023-426d-46cf-8644-b0ee15b6bfa2] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 29689023-426d-46cf-8644-b0ee15b6bfa2. 2026-07-18 15:27:41.404 12 WARNING neutronclient.v2_0.client [None req-410142c5-74ba-473c-b8be-8083b0e03070 70c19ea1987d40ce9897d5d9b0be6763 0f2676f6d5cf49348b9dc3d155a789c2 - - 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 29689023-426d-46cf-8644-b0ee15b6bfa2. 2026-07-18 15:27:41.432 12 WARNING neutronclient.v2_0.client [None req-410142c5-74ba-473c-b8be-8083b0e03070 70c19ea1987d40ce9897d5d9b0be6763 0f2676f6d5cf49348b9dc3d155a789c2 - - 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 29689023-426d-46cf-8644-b0ee15b6bfa2. 2026-07-18 15:28:14.864 12 ERROR nova.scheduler.utils [None req-e97df9bf-3388-4648-b0ab-83074967cb90 fdd8db35c5d24b08aa015d4e4c6cbfbe 3be77bc2db72400da705bed9479f66ee - - default default] [instance: d390eca1-7ac4-4721-b19f-ce75ce2e47c7] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance d390eca1-7ac4-4721-b19f-ce75ce2e47c7 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-18 15:28:14.865 12 WARNING nova.scheduler.utils [None req-e97df9bf-3388-4648-b0ab-83074967cb90 fdd8db35c5d24b08aa015d4e4c6cbfbe 3be77bc2db72400da705bed9479f66ee - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d390eca1-7ac4-4721-b19f-ce75ce2e47c7.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d390eca1-7ac4-4721-b19f-ce75ce2e47c7. 2026-07-18 15:28:14.865 12 WARNING nova.scheduler.utils [None req-e97df9bf-3388-4648-b0ab-83074967cb90 fdd8db35c5d24b08aa015d4e4c6cbfbe 3be77bc2db72400da705bed9479f66ee - - default default] [instance: d390eca1-7ac4-4721-b19f-ce75ce2e47c7] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance d390eca1-7ac4-4721-b19f-ce75ce2e47c7. 2026-07-18 15:28:14.909 12 WARNING neutronclient.v2_0.client [None req-e97df9bf-3388-4648-b0ab-83074967cb90 fdd8db35c5d24b08aa015d4e4c6cbfbe 3be77bc2db72400da705bed9479f66ee - - 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 d390eca1-7ac4-4721-b19f-ce75ce2e47c7. 2026-07-18 15:28:14.963 12 WARNING neutronclient.v2_0.client [None req-e97df9bf-3388-4648-b0ab-83074967cb90 fdd8db35c5d24b08aa015d4e4c6cbfbe 3be77bc2db72400da705bed9479f66ee - - 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 d390eca1-7ac4-4721-b19f-ce75ce2e47c7. 2026-07-18 15:28:50.565 12 ERROR nova.scheduler.utils [None req-5fef207a-e3b1-460d-b8ee-70b17d82fe8a 119efe06c11c4978bb68cacc8fba98ee 91a26e59eb2b4318a8c267dbbbd0bced - - default default] [instance: 900fdd57-38e2-4df9-a667-16c6c5a67a8d] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 900fdd57-38e2-4df9-a667-16c6c5a67a8d was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-18 15:28:50.566 12 WARNING nova.scheduler.utils [None req-5fef207a-e3b1-460d-b8ee-70b17d82fe8a 119efe06c11c4978bb68cacc8fba98ee 91a26e59eb2b4318a8c267dbbbd0bced - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 900fdd57-38e2-4df9-a667-16c6c5a67a8d.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 900fdd57-38e2-4df9-a667-16c6c5a67a8d. 2026-07-18 15:28:50.566 12 WARNING nova.scheduler.utils [None req-5fef207a-e3b1-460d-b8ee-70b17d82fe8a 119efe06c11c4978bb68cacc8fba98ee 91a26e59eb2b4318a8c267dbbbd0bced - - default default] [instance: 900fdd57-38e2-4df9-a667-16c6c5a67a8d] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 900fdd57-38e2-4df9-a667-16c6c5a67a8d. 2026-07-18 15:28:50.607 12 WARNING neutronclient.v2_0.client [None req-5fef207a-e3b1-460d-b8ee-70b17d82fe8a 119efe06c11c4978bb68cacc8fba98ee 91a26e59eb2b4318a8c267dbbbd0bced - - 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 900fdd57-38e2-4df9-a667-16c6c5a67a8d. 2026-07-18 15:28:50.639 12 WARNING neutronclient.v2_0.client [None req-5fef207a-e3b1-460d-b8ee-70b17d82fe8a 119efe06c11c4978bb68cacc8fba98ee 91a26e59eb2b4318a8c267dbbbd0bced - - 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 900fdd57-38e2-4df9-a667-16c6c5a67a8d. 2026-07-18 15:29:05.363 10 ERROR nova.scheduler.utils [None req-fd90d4df-d563-406b-aa66-54b8e38047d5 89d18f059feb4b3aa27ed60c8d7af120 525ef61040804010a4c076fbbd6b5f73 - - default default] [instance: 0029752c-7d99-4c09-8af8-a70f1cffbf81] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 0029752c-7d99-4c09-8af8-a70f1cffbf81 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-18 15:29:05.365 10 WARNING nova.scheduler.utils [None req-fd90d4df-d563-406b-aa66-54b8e38047d5 89d18f059feb4b3aa27ed60c8d7af120 525ef61040804010a4c076fbbd6b5f73 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0029752c-7d99-4c09-8af8-a70f1cffbf81.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0029752c-7d99-4c09-8af8-a70f1cffbf81. 2026-07-18 15:29:05.365 10 WARNING nova.scheduler.utils [None req-fd90d4df-d563-406b-aa66-54b8e38047d5 89d18f059feb4b3aa27ed60c8d7af120 525ef61040804010a4c076fbbd6b5f73 - - default default] [instance: 0029752c-7d99-4c09-8af8-a70f1cffbf81] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 0029752c-7d99-4c09-8af8-a70f1cffbf81. 2026-07-18 15:29:05.412 10 WARNING neutronclient.v2_0.client [None req-fd90d4df-d563-406b-aa66-54b8e38047d5 89d18f059feb4b3aa27ed60c8d7af120 525ef61040804010a4c076fbbd6b5f73 - - 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 0029752c-7d99-4c09-8af8-a70f1cffbf81. 2026-07-18 15:29:05.438 10 WARNING neutronclient.v2_0.client [None req-fd90d4df-d563-406b-aa66-54b8e38047d5 89d18f059feb4b3aa27ed60c8d7af120 525ef61040804010a4c076fbbd6b5f73 - - 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 0029752c-7d99-4c09-8af8-a70f1cffbf81. 2026-07-18 15:29:17.998 10 ERROR nova.scheduler.utils [None req-6f999702-7921-454d-935b-583d341e4699 4161cbdc4a6041ea8715ad59814e6b34 b77b767361ba430fa850f2a685c898cf - - default default] [instance: 40186a68-6317-48c1-90ee-fd76a77228bc] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 40186a68-6317-48c1-90ee-fd76a77228bc was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-18 15:29:17.998 10 WARNING nova.scheduler.utils [None req-6f999702-7921-454d-935b-583d341e4699 4161cbdc4a6041ea8715ad59814e6b34 b77b767361ba430fa850f2a685c898cf - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 40186a68-6317-48c1-90ee-fd76a77228bc.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 40186a68-6317-48c1-90ee-fd76a77228bc. 2026-07-18 15:29:17.999 10 WARNING nova.scheduler.utils [None req-6f999702-7921-454d-935b-583d341e4699 4161cbdc4a6041ea8715ad59814e6b34 b77b767361ba430fa850f2a685c898cf - - default default] [instance: 40186a68-6317-48c1-90ee-fd76a77228bc] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 40186a68-6317-48c1-90ee-fd76a77228bc. 2026-07-18 15:29:18.045 10 WARNING neutronclient.v2_0.client [None req-6f999702-7921-454d-935b-583d341e4699 4161cbdc4a6041ea8715ad59814e6b34 b77b767361ba430fa850f2a685c898cf - - 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 40186a68-6317-48c1-90ee-fd76a77228bc. 2026-07-18 15:29:18.484 10 WARNING neutronclient.v2_0.client [None req-6f999702-7921-454d-935b-583d341e4699 4161cbdc4a6041ea8715ad59814e6b34 b77b767361ba430fa850f2a685c898cf - - 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 40186a68-6317-48c1-90ee-fd76a77228bc. 2026-07-18 15:29:48.189 12 ERROR nova.scheduler.utils [None req-5ed16f53-5d0d-4ab4-ba19-59faa7d01ee2 7588389d8144454dbb44c1af0a9a304a 724f99c82202404aa7c1a19baecf8067 - - default default] [instance: 8cfe8c16-3b98-45d1-896d-ac7aa7283f8e] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 8cfe8c16-3b98-45d1-896d-ac7aa7283f8e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-18 15:29:48.189 12 WARNING nova.scheduler.utils [None req-5ed16f53-5d0d-4ab4-ba19-59faa7d01ee2 7588389d8144454dbb44c1af0a9a304a 724f99c82202404aa7c1a19baecf8067 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8cfe8c16-3b98-45d1-896d-ac7aa7283f8e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8cfe8c16-3b98-45d1-896d-ac7aa7283f8e. 2026-07-18 15:29:48.189 12 WARNING nova.scheduler.utils [None req-5ed16f53-5d0d-4ab4-ba19-59faa7d01ee2 7588389d8144454dbb44c1af0a9a304a 724f99c82202404aa7c1a19baecf8067 - - default default] [instance: 8cfe8c16-3b98-45d1-896d-ac7aa7283f8e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 8cfe8c16-3b98-45d1-896d-ac7aa7283f8e. 2026-07-18 15:29:48.250 12 WARNING neutronclient.v2_0.client [None req-5ed16f53-5d0d-4ab4-ba19-59faa7d01ee2 7588389d8144454dbb44c1af0a9a304a 724f99c82202404aa7c1a19baecf8067 - - 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 8cfe8c16-3b98-45d1-896d-ac7aa7283f8e. 2026-07-18 15:29:48.441 12 WARNING neutronclient.v2_0.client [None req-5ed16f53-5d0d-4ab4-ba19-59faa7d01ee2 7588389d8144454dbb44c1af0a9a304a 724f99c82202404aa7c1a19baecf8067 - - 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 8cfe8c16-3b98-45d1-896d-ac7aa7283f8e. 2026-07-18 15:30:08.521 10 ERROR nova.scheduler.utils [None req-64500d76-f2f9-4990-a3c1-37afaaa518bc ce46b55cde094a5cb9e98a0abc446e9d a3d3ae987343442eb75949cd77b46c6e - - default default] [instance: 5b0584b3-e11b-4238-8474-ff6baf77b535] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 5b0584b3-e11b-4238-8474-ff6baf77b535 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-18 15:30:08.522 10 WARNING nova.scheduler.utils [None req-64500d76-f2f9-4990-a3c1-37afaaa518bc ce46b55cde094a5cb9e98a0abc446e9d a3d3ae987343442eb75949cd77b46c6e - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5b0584b3-e11b-4238-8474-ff6baf77b535.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5b0584b3-e11b-4238-8474-ff6baf77b535. 2026-07-18 15:30:08.522 10 WARNING nova.scheduler.utils [None req-64500d76-f2f9-4990-a3c1-37afaaa518bc ce46b55cde094a5cb9e98a0abc446e9d a3d3ae987343442eb75949cd77b46c6e - - default default] [instance: 5b0584b3-e11b-4238-8474-ff6baf77b535] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 5b0584b3-e11b-4238-8474-ff6baf77b535. 2026-07-18 15:30:08.568 10 WARNING neutronclient.v2_0.client [None req-64500d76-f2f9-4990-a3c1-37afaaa518bc ce46b55cde094a5cb9e98a0abc446e9d a3d3ae987343442eb75949cd77b46c6e - - 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 5b0584b3-e11b-4238-8474-ff6baf77b535. 2026-07-18 15:30:08.603 10 WARNING neutronclient.v2_0.client [None req-64500d76-f2f9-4990-a3c1-37afaaa518bc ce46b55cde094a5cb9e98a0abc446e9d a3d3ae987343442eb75949cd77b46c6e - - 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 5b0584b3-e11b-4238-8474-ff6baf77b535. 2026-07-18 15:30:51.050 12 ERROR nova.scheduler.utils [None req-12a959d5-9727-4c62-82a0-ee91f2d09e2e 917d587548f147478fc8851db76d86f9 3b106050e1ef48e3940fe9497933d8a0 - - default default] [instance: 60a0369b-eeb5-4576-9fda-a5e66d0adaa6] Error from last host: instance (node instance): ['Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 84, in plug\n plugin = _EXT_MANAGER[plugin_name].obj\n ~~~~~~~~~~~~^^^^^^^^^^^^^\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/stevedore/extension.py", line 452, in __getitem__\n return self._extensions_by_name[name]\n ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^\n', "KeyError: 'ovs'\n", '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 755, in _plug_os_vif\n os_vif.plug(vif, instance_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/os_vif/__init__.py", line 86, in plug\n raise os_vif.exception.NoMatchingPlugin(plugin_name=plugin_name)\n', 'os_vif.exception.NoMatchingPlugin: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2723, in _build_and_run_instance\n self.driver.spawn(context, instance, image_meta,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 5018, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8610, in _create_guest_with_network\n with excutils.save_and_reraise_exception():\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 266, in __exit__\n self.force_reraise()\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/oslo_utils/excutils.py", line 232, in force_reraise\n raise self.value\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8583, in _create_guest_with_network\n self.plug_vifs(instance, network_info)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 1650, in plug_vifs\n self.vif_driver.plug(instance, vif)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 779, in plug\n self._plug_os_vif(instance, vif_obj)\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/vif.py", line 759, in _plug_os_vif\n raise exception.InternalError(msg)\n', 'nova.exception.InternalError: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n', '\nDuring handling of the above exception, another exception occurred:\n\n', 'Traceback (most recent call last):\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2538, in _do_build_and_run_instance\n self._build_and_run_instance(context, instance, image,\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/compute/manager.py", line 2831, in _build_and_run_instance\n raise exception.RescheduledException(\n', 'nova.exception.RescheduledException: Build of instance 60a0369b-eeb5-4576-9fda-a5e66d0adaa6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-18 15:30:51.051 12 WARNING nova.scheduler.utils [None req-12a959d5-9727-4c62-82a0-ee91f2d09e2e 917d587548f147478fc8851db76d86f9 3b106050e1ef48e3940fe9497933d8a0 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 60a0369b-eeb5-4576-9fda-a5e66d0adaa6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 60a0369b-eeb5-4576-9fda-a5e66d0adaa6. 2026-07-18 15:30:51.052 12 WARNING nova.scheduler.utils [None req-12a959d5-9727-4c62-82a0-ee91f2d09e2e 917d587548f147478fc8851db76d86f9 3b106050e1ef48e3940fe9497933d8a0 - - default default] [instance: 60a0369b-eeb5-4576-9fda-a5e66d0adaa6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 60a0369b-eeb5-4576-9fda-a5e66d0adaa6. 2026-07-18 15:30:51.092 12 WARNING neutronclient.v2_0.client [None req-12a959d5-9727-4c62-82a0-ee91f2d09e2e 917d587548f147478fc8851db76d86f9 3b106050e1ef48e3940fe9497933d8a0 - - 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 60a0369b-eeb5-4576-9fda-a5e66d0adaa6. 2026-07-18 15:30:51.117 12 WARNING neutronclient.v2_0.client [None req-12a959d5-9727-4c62-82a0-ee91f2d09e2e 917d587548f147478fc8851db76d86f9 3b106050e1ef48e3940fe9497933d8a0 - - 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 60a0369b-eeb5-4576-9fda-a5e66d0adaa6.