+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-17 11:31:09.568 1 INFO nova.utils [None req-f1578ae7-9c6c-4ac7-87b3-0ca3777d59d0 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-17 11:31:09.737 1 INFO nova.utils [None req-f1578ae7-9c6c-4ac7-87b3-0ca3777d59d0 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-17 11:31:10.738 1 INFO nova.utils [None req-f1578ae7-9c6c-4ac7-87b3-0ca3777d59d0 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-17 11:31:10.742 1 WARNING oslo_service.backend._threading.service [None req-f1578ae7-9c6c-4ac7-87b3-0ca3777d59d0 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-17 11:31:10.756 1 WARNING oslo_config.cfg [None req-f1578ae7-9c6c-4ac7-87b3-0ca3777d59d0 - - - - - -] 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. 2026-07-17 11:31:10.809 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-17 11:31:10.828 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-17 12:14:10.249 10 INFO nova.utils [None req-8caeffff-8c36-4c89-b1ea-19a8102867ac 6b07c5826e0f47b0bfe48a804ba60fb3 a049a135f00644029f7d3ca4eaaa94c6 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-17 12:14:10.419 10 INFO nova.compute.rpcapi [None req-849259aa-a2b2-43d4-a5ed-b3ec9802e023 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-17 12:14:15.170 12 INFO nova.utils [None req-06c6343c-4d0f-47e8-9560-bdbf8629df7e 2eb2adb90ecb48ac84bc453c177a5045 100d2d51d83e4e48834bd47173366e51 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-17 12:14:15.354 12 INFO nova.compute.rpcapi [None req-4c6272ab-3cdf-4245-8212-7159d95ddad5 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-17 12:14:26.636 10 ERROR nova.scheduler.utils [None req-8caeffff-8c36-4c89-b1ea-19a8102867ac 6b07c5826e0f47b0bfe48a804ba60fb3 a049a135f00644029f7d3ca4eaaa94c6 - - default default] [instance: 72ce49c9-9d1b-49e5-b461-cd47d98d956e] 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 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 72ce49c9-9d1b-49e5-b461-cd47d98d956e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 12:14:26.637 10 WARNING nova.scheduler.utils [None req-8caeffff-8c36-4c89-b1ea-19a8102867ac 6b07c5826e0f47b0bfe48a804ba60fb3 a049a135f00644029f7d3ca4eaaa94c6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 72ce49c9-9d1b-49e5-b461-cd47d98d956e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 72ce49c9-9d1b-49e5-b461-cd47d98d956e. 2026-07-17 12:14:26.638 10 WARNING nova.scheduler.utils [None req-8caeffff-8c36-4c89-b1ea-19a8102867ac 6b07c5826e0f47b0bfe48a804ba60fb3 a049a135f00644029f7d3ca4eaaa94c6 - - default default] [instance: 72ce49c9-9d1b-49e5-b461-cd47d98d956e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 72ce49c9-9d1b-49e5-b461-cd47d98d956e. 2026-07-17 12:14:26.743 10 WARNING neutronclient.v2_0.client [None req-8caeffff-8c36-4c89-b1ea-19a8102867ac 6b07c5826e0f47b0bfe48a804ba60fb3 a049a135f00644029f7d3ca4eaaa94c6 - - 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 72ce49c9-9d1b-49e5-b461-cd47d98d956e. 2026-07-17 12:14:27.388 10 WARNING neutronclient.v2_0.client [None req-8caeffff-8c36-4c89-b1ea-19a8102867ac 6b07c5826e0f47b0bfe48a804ba60fb3 a049a135f00644029f7d3ca4eaaa94c6 - - 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 72ce49c9-9d1b-49e5-b461-cd47d98d956e. 2026-07-17 12:14:28.979 10 ERROR nova.scheduler.utils [None req-06c6343c-4d0f-47e8-9560-bdbf8629df7e 2eb2adb90ecb48ac84bc453c177a5045 100d2d51d83e4e48834bd47173366e51 - - default default] [instance: 2b09424d-156c-4e2f-bc9d-7ef909be6845] 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 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 2b09424d-156c-4e2f-bc9d-7ef909be6845 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 12:14:28.980 10 WARNING nova.scheduler.utils [None req-06c6343c-4d0f-47e8-9560-bdbf8629df7e 2eb2adb90ecb48ac84bc453c177a5045 100d2d51d83e4e48834bd47173366e51 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2b09424d-156c-4e2f-bc9d-7ef909be6845.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2b09424d-156c-4e2f-bc9d-7ef909be6845. 2026-07-17 12:14:28.981 10 WARNING nova.scheduler.utils [None req-06c6343c-4d0f-47e8-9560-bdbf8629df7e 2eb2adb90ecb48ac84bc453c177a5045 100d2d51d83e4e48834bd47173366e51 - - default default] [instance: 2b09424d-156c-4e2f-bc9d-7ef909be6845] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 2b09424d-156c-4e2f-bc9d-7ef909be6845. 2026-07-17 12:14:29.029 10 WARNING neutronclient.v2_0.client [None req-06c6343c-4d0f-47e8-9560-bdbf8629df7e 2eb2adb90ecb48ac84bc453c177a5045 100d2d51d83e4e48834bd47173366e51 - - 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 2b09424d-156c-4e2f-bc9d-7ef909be6845. 2026-07-17 12:14:29.176 10 WARNING neutronclient.v2_0.client [None req-06c6343c-4d0f-47e8-9560-bdbf8629df7e 2eb2adb90ecb48ac84bc453c177a5045 100d2d51d83e4e48834bd47173366e51 - - 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 2b09424d-156c-4e2f-bc9d-7ef909be6845. 2026-07-17 12:14:53.820 10 ERROR nova.scheduler.utils [None req-7369e346-b04a-487c-b7d4-8ad1a01f137d 1a81624676ae4782aa993f15ee3c71ec cc034426b15e48b5bf6a86219ba59df6 - - default default] [instance: 9c3dba42-a41b-4b3b-937d-408ef482b8f7] 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 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 9c3dba42-a41b-4b3b-937d-408ef482b8f7 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 12:14:53.822 10 WARNING nova.scheduler.utils [None req-7369e346-b04a-487c-b7d4-8ad1a01f137d 1a81624676ae4782aa993f15ee3c71ec cc034426b15e48b5bf6a86219ba59df6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9c3dba42-a41b-4b3b-937d-408ef482b8f7.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9c3dba42-a41b-4b3b-937d-408ef482b8f7. 2026-07-17 12:14:53.822 10 WARNING nova.scheduler.utils [None req-7369e346-b04a-487c-b7d4-8ad1a01f137d 1a81624676ae4782aa993f15ee3c71ec cc034426b15e48b5bf6a86219ba59df6 - - default default] [instance: 9c3dba42-a41b-4b3b-937d-408ef482b8f7] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 9c3dba42-a41b-4b3b-937d-408ef482b8f7. 2026-07-17 12:14:53.872 10 WARNING neutronclient.v2_0.client [None req-7369e346-b04a-487c-b7d4-8ad1a01f137d 1a81624676ae4782aa993f15ee3c71ec cc034426b15e48b5bf6a86219ba59df6 - - 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 9c3dba42-a41b-4b3b-937d-408ef482b8f7. 2026-07-17 12:14:53.899 10 WARNING neutronclient.v2_0.client [None req-7369e346-b04a-487c-b7d4-8ad1a01f137d 1a81624676ae4782aa993f15ee3c71ec cc034426b15e48b5bf6a86219ba59df6 - - 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 9c3dba42-a41b-4b3b-937d-408ef482b8f7. 2026-07-17 12:15:00.252 12 ERROR nova.scheduler.utils [None req-8aa7ad30-c63e-4549-8889-966bc1d6ce0d 7090b90e2216486eaf7014f071b2821b a975964bb0aa4bc6bcf7e3b9b7514545 - - default default] [instance: 395a1a3e-db2f-483e-8772-9819c7950220] 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 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 395a1a3e-db2f-483e-8772-9819c7950220 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 12:15:00.254 12 WARNING nova.scheduler.utils [None req-8aa7ad30-c63e-4549-8889-966bc1d6ce0d 7090b90e2216486eaf7014f071b2821b a975964bb0aa4bc6bcf7e3b9b7514545 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 395a1a3e-db2f-483e-8772-9819c7950220.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 395a1a3e-db2f-483e-8772-9819c7950220. 2026-07-17 12:15:00.254 12 WARNING nova.scheduler.utils [None req-8aa7ad30-c63e-4549-8889-966bc1d6ce0d 7090b90e2216486eaf7014f071b2821b a975964bb0aa4bc6bcf7e3b9b7514545 - - default default] [instance: 395a1a3e-db2f-483e-8772-9819c7950220] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 395a1a3e-db2f-483e-8772-9819c7950220. 2026-07-17 12:15:00.334 12 WARNING neutronclient.v2_0.client [None req-8aa7ad30-c63e-4549-8889-966bc1d6ce0d 7090b90e2216486eaf7014f071b2821b a975964bb0aa4bc6bcf7e3b9b7514545 - - 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 395a1a3e-db2f-483e-8772-9819c7950220. 2026-07-17 12:15:01.167 12 WARNING neutronclient.v2_0.client [None req-8aa7ad30-c63e-4549-8889-966bc1d6ce0d 7090b90e2216486eaf7014f071b2821b a975964bb0aa4bc6bcf7e3b9b7514545 - - 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 395a1a3e-db2f-483e-8772-9819c7950220. 2026-07-17 12:15:30.981 12 ERROR nova.scheduler.utils [None req-fbaffa3f-e373-4b67-b6d7-95048af63518 5f84d4907afe41b181ebd3bcb6b83166 1560d2321b324011a175235cd5b69544 - - default default] [instance: a2d0139a-33a8-4829-852f-d6ecb3ae8072] 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 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 a2d0139a-33a8-4829-852f-d6ecb3ae8072 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 12:15:30.982 12 WARNING nova.scheduler.utils [None req-fbaffa3f-e373-4b67-b6d7-95048af63518 5f84d4907afe41b181ebd3bcb6b83166 1560d2321b324011a175235cd5b69544 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a2d0139a-33a8-4829-852f-d6ecb3ae8072.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a2d0139a-33a8-4829-852f-d6ecb3ae8072. 2026-07-17 12:15:30.982 12 WARNING nova.scheduler.utils [None req-fbaffa3f-e373-4b67-b6d7-95048af63518 5f84d4907afe41b181ebd3bcb6b83166 1560d2321b324011a175235cd5b69544 - - default default] [instance: a2d0139a-33a8-4829-852f-d6ecb3ae8072] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a2d0139a-33a8-4829-852f-d6ecb3ae8072. 2026-07-17 12:15:31.026 12 WARNING neutronclient.v2_0.client [None req-fbaffa3f-e373-4b67-b6d7-95048af63518 5f84d4907afe41b181ebd3bcb6b83166 1560d2321b324011a175235cd5b69544 - - 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 a2d0139a-33a8-4829-852f-d6ecb3ae8072. 2026-07-17 12:15:31.058 12 WARNING neutronclient.v2_0.client [None req-fbaffa3f-e373-4b67-b6d7-95048af63518 5f84d4907afe41b181ebd3bcb6b83166 1560d2321b324011a175235cd5b69544 - - 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 a2d0139a-33a8-4829-852f-d6ecb3ae8072. 2026-07-17 12:15:33.286 12 ERROR nova.scheduler.utils [None req-7df64429-2766-4414-a46d-d2e814ac94e4 58eb9df575704365b08e4d97c451c652 509c4ca196c24417a1a6c47c38a9f95c - - default default] [instance: cf0ca282-4373-4b75-b6dd-1fea7f6fb1d9] 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 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 cf0ca282-4373-4b75-b6dd-1fea7f6fb1d9 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 12:15:33.287 12 WARNING nova.scheduler.utils [None req-7df64429-2766-4414-a46d-d2e814ac94e4 58eb9df575704365b08e4d97c451c652 509c4ca196c24417a1a6c47c38a9f95c - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cf0ca282-4373-4b75-b6dd-1fea7f6fb1d9.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cf0ca282-4373-4b75-b6dd-1fea7f6fb1d9. 2026-07-17 12:15:33.287 12 WARNING nova.scheduler.utils [None req-7df64429-2766-4414-a46d-d2e814ac94e4 58eb9df575704365b08e4d97c451c652 509c4ca196c24417a1a6c47c38a9f95c - - default default] [instance: cf0ca282-4373-4b75-b6dd-1fea7f6fb1d9] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance cf0ca282-4373-4b75-b6dd-1fea7f6fb1d9. 2026-07-17 12:15:33.335 12 WARNING neutronclient.v2_0.client [None req-7df64429-2766-4414-a46d-d2e814ac94e4 58eb9df575704365b08e4d97c451c652 509c4ca196c24417a1a6c47c38a9f95c - - 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 cf0ca282-4373-4b75-b6dd-1fea7f6fb1d9. 2026-07-17 12:15:33.579 12 WARNING neutronclient.v2_0.client [None req-7df64429-2766-4414-a46d-d2e814ac94e4 58eb9df575704365b08e4d97c451c652 509c4ca196c24417a1a6c47c38a9f95c - - 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 cf0ca282-4373-4b75-b6dd-1fea7f6fb1d9. 2026-07-17 12:16:03.305 12 ERROR nova.scheduler.utils [None req-fdebb721-7ebb-4dc0-9b24-1686e4d24086 62e51214cdaf4f9d901f7da6fd67f92a 17b5c6c338d5463f9de3154e02b65aac - - default default] [instance: 04c90e56-5b79-4a34-81d2-b23b5da77f24] 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 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 04c90e56-5b79-4a34-81d2-b23b5da77f24 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 12:16:03.307 12 WARNING nova.scheduler.utils [None req-fdebb721-7ebb-4dc0-9b24-1686e4d24086 62e51214cdaf4f9d901f7da6fd67f92a 17b5c6c338d5463f9de3154e02b65aac - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 04c90e56-5b79-4a34-81d2-b23b5da77f24.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 04c90e56-5b79-4a34-81d2-b23b5da77f24. 2026-07-17 12:16:03.307 12 WARNING nova.scheduler.utils [None req-fdebb721-7ebb-4dc0-9b24-1686e4d24086 62e51214cdaf4f9d901f7da6fd67f92a 17b5c6c338d5463f9de3154e02b65aac - - default default] [instance: 04c90e56-5b79-4a34-81d2-b23b5da77f24] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 04c90e56-5b79-4a34-81d2-b23b5da77f24. 2026-07-17 12:16:03.363 12 WARNING neutronclient.v2_0.client [None req-fdebb721-7ebb-4dc0-9b24-1686e4d24086 62e51214cdaf4f9d901f7da6fd67f92a 17b5c6c338d5463f9de3154e02b65aac - - 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 04c90e56-5b79-4a34-81d2-b23b5da77f24. 2026-07-17 12:16:03.486 12 WARNING neutronclient.v2_0.client [None req-fdebb721-7ebb-4dc0-9b24-1686e4d24086 62e51214cdaf4f9d901f7da6fd67f92a 17b5c6c338d5463f9de3154e02b65aac - - 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 04c90e56-5b79-4a34-81d2-b23b5da77f24. 2026-07-17 12:16:10.196 10 ERROR nova.scheduler.utils [None req-68be6b8c-b067-4c34-b1cc-1498fa702fe1 eda406528b454116b288d253c0abe3a7 bcd3e61fce204b2e9c51e0cbd96a3054 - - default default] [instance: 73775252-ac43-48e2-b45b-2122093c24c7] 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 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 73775252-ac43-48e2-b45b-2122093c24c7 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 12:16:10.197 10 WARNING nova.scheduler.utils [None req-68be6b8c-b067-4c34-b1cc-1498fa702fe1 eda406528b454116b288d253c0abe3a7 bcd3e61fce204b2e9c51e0cbd96a3054 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 73775252-ac43-48e2-b45b-2122093c24c7.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 73775252-ac43-48e2-b45b-2122093c24c7. 2026-07-17 12:16:10.197 10 WARNING nova.scheduler.utils [None req-68be6b8c-b067-4c34-b1cc-1498fa702fe1 eda406528b454116b288d253c0abe3a7 bcd3e61fce204b2e9c51e0cbd96a3054 - - default default] [instance: 73775252-ac43-48e2-b45b-2122093c24c7] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 73775252-ac43-48e2-b45b-2122093c24c7. 2026-07-17 12:16:10.261 10 WARNING neutronclient.v2_0.client [None req-68be6b8c-b067-4c34-b1cc-1498fa702fe1 eda406528b454116b288d253c0abe3a7 bcd3e61fce204b2e9c51e0cbd96a3054 - - 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 73775252-ac43-48e2-b45b-2122093c24c7. 2026-07-17 12:16:10.293 10 WARNING neutronclient.v2_0.client [None req-68be6b8c-b067-4c34-b1cc-1498fa702fe1 eda406528b454116b288d253c0abe3a7 bcd3e61fce204b2e9c51e0cbd96a3054 - - 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 73775252-ac43-48e2-b45b-2122093c24c7. 2026-07-17 12:16:48.107 12 ERROR nova.scheduler.utils [None req-4e4619d5-07ac-4387-b42d-125313e41b86 3e24fa671a0249a881dde377d4c68e44 e8bb3a3aa2814a9d9a3b798f399d0c9f - - default default] [instance: bdd34b91-ddd8-4b5f-8d2f-1f063ed2af90] 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 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 bdd34b91-ddd8-4b5f-8d2f-1f063ed2af90 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 12:16:48.108 12 WARNING nova.scheduler.utils [None req-4e4619d5-07ac-4387-b42d-125313e41b86 3e24fa671a0249a881dde377d4c68e44 e8bb3a3aa2814a9d9a3b798f399d0c9f - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bdd34b91-ddd8-4b5f-8d2f-1f063ed2af90.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bdd34b91-ddd8-4b5f-8d2f-1f063ed2af90. 2026-07-17 12:16:48.108 12 WARNING nova.scheduler.utils [None req-4e4619d5-07ac-4387-b42d-125313e41b86 3e24fa671a0249a881dde377d4c68e44 e8bb3a3aa2814a9d9a3b798f399d0c9f - - default default] [instance: bdd34b91-ddd8-4b5f-8d2f-1f063ed2af90] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bdd34b91-ddd8-4b5f-8d2f-1f063ed2af90. 2026-07-17 12:16:48.161 12 WARNING neutronclient.v2_0.client [None req-4e4619d5-07ac-4387-b42d-125313e41b86 3e24fa671a0249a881dde377d4c68e44 e8bb3a3aa2814a9d9a3b798f399d0c9f - - 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 bdd34b91-ddd8-4b5f-8d2f-1f063ed2af90. 2026-07-17 12:16:48.286 12 WARNING neutronclient.v2_0.client [None req-4e4619d5-07ac-4387-b42d-125313e41b86 3e24fa671a0249a881dde377d4c68e44 e8bb3a3aa2814a9d9a3b798f399d0c9f - - 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 bdd34b91-ddd8-4b5f-8d2f-1f063ed2af90. 2026-07-17 12:17:59.348 12 ERROR nova.scheduler.utils [None req-3348c3a8-7175-4263-88bd-1b1e9ac8a5fc f8be2fe2202142f1a10abed902fab749 83ee483f1c484d2e8cc435d5096e0de9 - - default default] [instance: f55251b0-cf8a-492a-898a-f129f27e52d6] 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 4984, in spawn\n self._create_guest_with_network(\n', ' File "/var/lib/openstack/lib/python3.12/site-packages/nova/virt/libvirt/driver.py", line 8576, 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 8549, 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 1616, 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 f55251b0-cf8a-492a-898a-f129f27e52d6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-17 12:17:59.348 12 WARNING nova.scheduler.utils [None req-3348c3a8-7175-4263-88bd-1b1e9ac8a5fc f8be2fe2202142f1a10abed902fab749 83ee483f1c484d2e8cc435d5096e0de9 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f55251b0-cf8a-492a-898a-f129f27e52d6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f55251b0-cf8a-492a-898a-f129f27e52d6. 2026-07-17 12:17:59.349 12 WARNING nova.scheduler.utils [None req-3348c3a8-7175-4263-88bd-1b1e9ac8a5fc f8be2fe2202142f1a10abed902fab749 83ee483f1c484d2e8cc435d5096e0de9 - - default default] [instance: f55251b0-cf8a-492a-898a-f129f27e52d6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance f55251b0-cf8a-492a-898a-f129f27e52d6. 2026-07-17 12:17:59.402 12 WARNING neutronclient.v2_0.client [None req-3348c3a8-7175-4263-88bd-1b1e9ac8a5fc f8be2fe2202142f1a10abed902fab749 83ee483f1c484d2e8cc435d5096e0de9 - - 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 f55251b0-cf8a-492a-898a-f129f27e52d6. 2026-07-17 12:17:59.439 12 WARNING neutronclient.v2_0.client [None req-3348c3a8-7175-4263-88bd-1b1e9ac8a5fc f8be2fe2202142f1a10abed902fab749 83ee483f1c484d2e8cc435d5096e0de9 - - 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 f55251b0-cf8a-492a-898a-f129f27e52d6.