+ exec nova-conductor --config-file /etc/nova/nova.conf 2026-07-21 13:49:20.820 1 INFO nova.utils [None req-d70bb1e8-899c-4112-b6fe-94a1d7745c55 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-07-21 13:49:21.026 1 INFO nova.utils [None req-d70bb1e8-899c-4112-b6fe-94a1d7745c55 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-07-21 13:49:22.027 1 INFO nova.utils [None req-d70bb1e8-899c-4112-b6fe-94a1d7745c55 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-07-21 13:49:22.031 1 WARNING oslo_service.backend._threading.service [None req-d70bb1e8-899c-4112-b6fe-94a1d7745c55 - - - - - -] Service Service is not picklable with spawn; falling back to fork. Please make the service spawn-safe to avoid this fallback. 2026-07-21 13:49:22.040 1 WARNING oslo_config.cfg [None req-d70bb1e8-899c-4112-b6fe-94a1d7745c55 - - - - - -] 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. 2026-07-21 13:49:22.090 10 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-21 13:49:22.103 12 INFO nova.service [-] Starting conductor node (version 33.1.0) 2026-07-21 14:10:14.093 10 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 6.53 sec 2026-07-21 14:10:14.102 12 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 6.73 sec 2026-07-21 14:33:58.618 10 INFO nova.utils [None req-e41aba45-1eb7-43e9-83cc-09a2aa9fad91 4731931cdcba4a2f81351bc188aac5e5 1b58bab70de44b90b9d8a5378c6cb1de - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-07-21 14:33:58.815 10 INFO nova.compute.rpcapi [None req-3678dc62-37d9-4ebd-8e44-e4be5165e199 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-21 14:33:58.978 12 INFO nova.utils [None req-cb0b37ed-17de-45f5-ae68-411e6f2219c4 594b60d158ee4dcebd4d98c50f6b343e e28599046c744715963bf3bb5206de2d - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-07-21 14:33:59.191 12 INFO nova.compute.rpcapi [None req-596ee820-e999-4ad5-80f2-60ef1a511763 - - - - - -] Automatically selected compute RPC version 6.5 from minimum service version 72 2026-07-21 14:34:14.548 10 ERROR nova.scheduler.utils [None req-e41aba45-1eb7-43e9-83cc-09a2aa9fad91 4731931cdcba4a2f81351bc188aac5e5 1b58bab70de44b90b9d8a5378c6cb1de - - default default] [instance: c9d411d3-7dec-47c2-87a5-efa1b8c2c3c8] 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 c9d411d3-7dec-47c2-87a5-efa1b8c2c3c8 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-21 14:34:14.549 10 WARNING nova.scheduler.utils [None req-e41aba45-1eb7-43e9-83cc-09a2aa9fad91 4731931cdcba4a2f81351bc188aac5e5 1b58bab70de44b90b9d8a5378c6cb1de - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c9d411d3-7dec-47c2-87a5-efa1b8c2c3c8.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c9d411d3-7dec-47c2-87a5-efa1b8c2c3c8. 2026-07-21 14:34:14.549 10 WARNING nova.scheduler.utils [None req-e41aba45-1eb7-43e9-83cc-09a2aa9fad91 4731931cdcba4a2f81351bc188aac5e5 1b58bab70de44b90b9d8a5378c6cb1de - - default default] [instance: c9d411d3-7dec-47c2-87a5-efa1b8c2c3c8] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance c9d411d3-7dec-47c2-87a5-efa1b8c2c3c8. 2026-07-21 14:34:14.659 10 WARNING neutronclient.v2_0.client [None req-e41aba45-1eb7-43e9-83cc-09a2aa9fad91 4731931cdcba4a2f81351bc188aac5e5 1b58bab70de44b90b9d8a5378c6cb1de - - 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 c9d411d3-7dec-47c2-87a5-efa1b8c2c3c8. 2026-07-21 14:34:15.097 10 WARNING neutronclient.v2_0.client [None req-e41aba45-1eb7-43e9-83cc-09a2aa9fad91 4731931cdcba4a2f81351bc188aac5e5 1b58bab70de44b90b9d8a5378c6cb1de - - 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 c9d411d3-7dec-47c2-87a5-efa1b8c2c3c8. 2026-07-21 14:34:16.205 12 ERROR nova.scheduler.utils [None req-cb0b37ed-17de-45f5-ae68-411e6f2219c4 594b60d158ee4dcebd4d98c50f6b343e e28599046c744715963bf3bb5206de2d - - default default] [instance: da7e5864-aa4d-4cce-9436-05fc53d933a6] 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 da7e5864-aa4d-4cce-9436-05fc53d933a6 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-21 14:34:16.208 12 WARNING nova.scheduler.utils [None req-cb0b37ed-17de-45f5-ae68-411e6f2219c4 594b60d158ee4dcebd4d98c50f6b343e e28599046c744715963bf3bb5206de2d - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da7e5864-aa4d-4cce-9436-05fc53d933a6.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da7e5864-aa4d-4cce-9436-05fc53d933a6. 2026-07-21 14:34:16.209 12 WARNING nova.scheduler.utils [None req-cb0b37ed-17de-45f5-ae68-411e6f2219c4 594b60d158ee4dcebd4d98c50f6b343e e28599046c744715963bf3bb5206de2d - - default default] [instance: da7e5864-aa4d-4cce-9436-05fc53d933a6] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance da7e5864-aa4d-4cce-9436-05fc53d933a6. 2026-07-21 14:34:16.325 12 WARNING neutronclient.v2_0.client [None req-cb0b37ed-17de-45f5-ae68-411e6f2219c4 594b60d158ee4dcebd4d98c50f6b343e e28599046c744715963bf3bb5206de2d - - 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 da7e5864-aa4d-4cce-9436-05fc53d933a6. 2026-07-21 14:34:16.809 12 WARNING neutronclient.v2_0.client [None req-cb0b37ed-17de-45f5-ae68-411e6f2219c4 594b60d158ee4dcebd4d98c50f6b343e e28599046c744715963bf3bb5206de2d - - 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 da7e5864-aa4d-4cce-9436-05fc53d933a6. 2026-07-21 14:34:34.002 10 ERROR nova.scheduler.utils [None req-482571e6-7a3c-4f9d-8354-fa61e2ad57de 19b554085c004965ac6a6410199a8780 309357aac18d4a26b1e47fffda13df18 - - default default] [instance: 86cf6bdf-035b-411f-ba12-853372174256] 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 86cf6bdf-035b-411f-ba12-853372174256 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-21 14:34:34.003 10 WARNING nova.scheduler.utils [None req-482571e6-7a3c-4f9d-8354-fa61e2ad57de 19b554085c004965ac6a6410199a8780 309357aac18d4a26b1e47fffda13df18 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 86cf6bdf-035b-411f-ba12-853372174256.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 86cf6bdf-035b-411f-ba12-853372174256. 2026-07-21 14:34:34.003 10 WARNING nova.scheduler.utils [None req-482571e6-7a3c-4f9d-8354-fa61e2ad57de 19b554085c004965ac6a6410199a8780 309357aac18d4a26b1e47fffda13df18 - - default default] [instance: 86cf6bdf-035b-411f-ba12-853372174256] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 86cf6bdf-035b-411f-ba12-853372174256. 2026-07-21 14:34:34.057 10 WARNING neutronclient.v2_0.client [None req-482571e6-7a3c-4f9d-8354-fa61e2ad57de 19b554085c004965ac6a6410199a8780 309357aac18d4a26b1e47fffda13df18 - - 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 86cf6bdf-035b-411f-ba12-853372174256. 2026-07-21 14:34:34.095 10 WARNING neutronclient.v2_0.client [None req-482571e6-7a3c-4f9d-8354-fa61e2ad57de 19b554085c004965ac6a6410199a8780 309357aac18d4a26b1e47fffda13df18 - - 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 86cf6bdf-035b-411f-ba12-853372174256. 2026-07-21 14:34:39.752 12 ERROR nova.scheduler.utils [None req-58cd17f2-356c-49cd-8ff7-b9ae344ac120 99beadd8665d46b88d0d86f46a0902ee 3825e1a8fc7d4a61bca43b9d27839da4 - - default default] [instance: 6225ed82-d9eb-4d48-a398-c6cf45422956] 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 6225ed82-d9eb-4d48-a398-c6cf45422956 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-21 14:34:39.753 12 WARNING nova.scheduler.utils [None req-58cd17f2-356c-49cd-8ff7-b9ae344ac120 99beadd8665d46b88d0d86f46a0902ee 3825e1a8fc7d4a61bca43b9d27839da4 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6225ed82-d9eb-4d48-a398-c6cf45422956.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6225ed82-d9eb-4d48-a398-c6cf45422956. 2026-07-21 14:34:39.753 12 WARNING nova.scheduler.utils [None req-58cd17f2-356c-49cd-8ff7-b9ae344ac120 99beadd8665d46b88d0d86f46a0902ee 3825e1a8fc7d4a61bca43b9d27839da4 - - default default] [instance: 6225ed82-d9eb-4d48-a398-c6cf45422956] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 6225ed82-d9eb-4d48-a398-c6cf45422956. 2026-07-21 14:34:39.822 12 WARNING neutronclient.v2_0.client [None req-58cd17f2-356c-49cd-8ff7-b9ae344ac120 99beadd8665d46b88d0d86f46a0902ee 3825e1a8fc7d4a61bca43b9d27839da4 - - 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 6225ed82-d9eb-4d48-a398-c6cf45422956. 2026-07-21 14:34:39.852 12 WARNING neutronclient.v2_0.client [None req-58cd17f2-356c-49cd-8ff7-b9ae344ac120 99beadd8665d46b88d0d86f46a0902ee 3825e1a8fc7d4a61bca43b9d27839da4 - - 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 6225ed82-d9eb-4d48-a398-c6cf45422956. 2026-07-21 14:35:07.380 12 ERROR nova.scheduler.utils [None req-a3f95195-b987-463d-bb0e-fadcc168b186 87e255641a7e41ca98e318cd45e3ef05 9388d3838b924d42a9018c6f5b470fbb - - default default] [instance: bb7c0414-af11-44ab-bf2c-f136f256a1f4] 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 bb7c0414-af11-44ab-bf2c-f136f256a1f4 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-21 14:35:07.381 12 WARNING nova.scheduler.utils [None req-a3f95195-b987-463d-bb0e-fadcc168b186 87e255641a7e41ca98e318cd45e3ef05 9388d3838b924d42a9018c6f5b470fbb - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bb7c0414-af11-44ab-bf2c-f136f256a1f4.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bb7c0414-af11-44ab-bf2c-f136f256a1f4. 2026-07-21 14:35:07.381 12 WARNING nova.scheduler.utils [None req-a3f95195-b987-463d-bb0e-fadcc168b186 87e255641a7e41ca98e318cd45e3ef05 9388d3838b924d42a9018c6f5b470fbb - - default default] [instance: bb7c0414-af11-44ab-bf2c-f136f256a1f4] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance bb7c0414-af11-44ab-bf2c-f136f256a1f4. 2026-07-21 14:35:07.428 12 WARNING neutronclient.v2_0.client [None req-a3f95195-b987-463d-bb0e-fadcc168b186 87e255641a7e41ca98e318cd45e3ef05 9388d3838b924d42a9018c6f5b470fbb - - 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 bb7c0414-af11-44ab-bf2c-f136f256a1f4. 2026-07-21 14:35:07.469 12 WARNING neutronclient.v2_0.client [None req-a3f95195-b987-463d-bb0e-fadcc168b186 87e255641a7e41ca98e318cd45e3ef05 9388d3838b924d42a9018c6f5b470fbb - - 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 bb7c0414-af11-44ab-bf2c-f136f256a1f4. 2026-07-21 14:35:12.237 12 ERROR nova.scheduler.utils [None req-3af173b1-76a9-4473-a3c0-1dbd5c21ad1d cd94d76107bb4458ab29efa7ed5f57cc a55c6801161d466a81e5d5e57ce2dad3 - - default default] [instance: e9709b48-dca6-4506-a823-d11346a4390e] 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 e9709b48-dca6-4506-a823-d11346a4390e was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-21 14:35:12.238 12 WARNING nova.scheduler.utils [None req-3af173b1-76a9-4473-a3c0-1dbd5c21ad1d cd94d76107bb4458ab29efa7ed5f57cc a55c6801161d466a81e5d5e57ce2dad3 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e9709b48-dca6-4506-a823-d11346a4390e.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e9709b48-dca6-4506-a823-d11346a4390e. 2026-07-21 14:35:12.238 12 WARNING nova.scheduler.utils [None req-3af173b1-76a9-4473-a3c0-1dbd5c21ad1d cd94d76107bb4458ab29efa7ed5f57cc a55c6801161d466a81e5d5e57ce2dad3 - - default default] [instance: e9709b48-dca6-4506-a823-d11346a4390e] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance e9709b48-dca6-4506-a823-d11346a4390e. 2026-07-21 14:35:12.291 12 WARNING neutronclient.v2_0.client [None req-3af173b1-76a9-4473-a3c0-1dbd5c21ad1d cd94d76107bb4458ab29efa7ed5f57cc a55c6801161d466a81e5d5e57ce2dad3 - - 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 e9709b48-dca6-4506-a823-d11346a4390e. 2026-07-21 14:35:12.339 12 WARNING neutronclient.v2_0.client [None req-3af173b1-76a9-4473-a3c0-1dbd5c21ad1d cd94d76107bb4458ab29efa7ed5f57cc a55c6801161d466a81e5d5e57ce2dad3 - - 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 e9709b48-dca6-4506-a823-d11346a4390e. 2026-07-21 14:36:31.814 10 ERROR nova.scheduler.utils [None req-e624d33c-b0cd-4d22-9dab-cb9cac6b28b8 aab0ab0847144fc4a087146ec38841a2 55b9298ff0e3491998fe694c9a787e51 - - default default] [instance: a774957d-df77-4ccf-bfda-86682dced1ea] 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 a774957d-df77-4ccf-bfda-86682dced1ea was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-21 14:36:31.815 10 WARNING nova.scheduler.utils [None req-e624d33c-b0cd-4d22-9dab-cb9cac6b28b8 aab0ab0847144fc4a087146ec38841a2 55b9298ff0e3491998fe694c9a787e51 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a774957d-df77-4ccf-bfda-86682dced1ea.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a774957d-df77-4ccf-bfda-86682dced1ea. 2026-07-21 14:36:31.816 10 WARNING nova.scheduler.utils [None req-e624d33c-b0cd-4d22-9dab-cb9cac6b28b8 aab0ab0847144fc4a087146ec38841a2 55b9298ff0e3491998fe694c9a787e51 - - default default] [instance: a774957d-df77-4ccf-bfda-86682dced1ea] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance a774957d-df77-4ccf-bfda-86682dced1ea. 2026-07-21 14:36:31.869 10 WARNING neutronclient.v2_0.client [None req-e624d33c-b0cd-4d22-9dab-cb9cac6b28b8 aab0ab0847144fc4a087146ec38841a2 55b9298ff0e3491998fe694c9a787e51 - - 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 a774957d-df77-4ccf-bfda-86682dced1ea. 2026-07-21 14:36:31.912 10 WARNING neutronclient.v2_0.client [None req-e624d33c-b0cd-4d22-9dab-cb9cac6b28b8 aab0ab0847144fc4a087146ec38841a2 55b9298ff0e3491998fe694c9a787e51 - - 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 a774957d-df77-4ccf-bfda-86682dced1ea. 2026-07-21 14:36:33.758 12 ERROR nova.scheduler.utils [None req-8df2b368-da5b-4479-aa27-b933fb903520 f4ca98f10e18406ca09cdbe8042c7bc5 604fc710954847d9965a07015713e6f6 - - default default] [instance: 35593046-d4b6-41c0-bd1f-3eed4f03ddcc] 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 35593046-d4b6-41c0-bd1f-3eed4f03ddcc was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-21 14:36:33.760 12 WARNING nova.scheduler.utils [None req-8df2b368-da5b-4479-aa27-b933fb903520 f4ca98f10e18406ca09cdbe8042c7bc5 604fc710954847d9965a07015713e6f6 - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 35593046-d4b6-41c0-bd1f-3eed4f03ddcc.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 35593046-d4b6-41c0-bd1f-3eed4f03ddcc. 2026-07-21 14:36:33.760 12 WARNING nova.scheduler.utils [None req-8df2b368-da5b-4479-aa27-b933fb903520 f4ca98f10e18406ca09cdbe8042c7bc5 604fc710954847d9965a07015713e6f6 - - default default] [instance: 35593046-d4b6-41c0-bd1f-3eed4f03ddcc] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance 35593046-d4b6-41c0-bd1f-3eed4f03ddcc. 2026-07-21 14:36:33.819 12 WARNING neutronclient.v2_0.client [None req-8df2b368-da5b-4479-aa27-b933fb903520 f4ca98f10e18406ca09cdbe8042c7bc5 604fc710954847d9965a07015713e6f6 - - 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 35593046-d4b6-41c0-bd1f-3eed4f03ddcc. 2026-07-21 14:36:33.850 12 WARNING neutronclient.v2_0.client [None req-8df2b368-da5b-4479-aa27-b933fb903520 f4ca98f10e18406ca09cdbe8042c7bc5 604fc710954847d9965a07015713e6f6 - - 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 35593046-d4b6-41c0-bd1f-3eed4f03ddcc. 2026-07-21 14:37:09.969 10 ERROR nova.scheduler.utils [None req-e7f16f35-5854-4b09-a2d6-cdd07185ab12 5014de1b59b24526b8b25ef57da129cb 8b737f997c2a48a0915cffaf0161876a - - default default] [instance: fa2e90f0-36f3-426d-b89c-32e7b9d62721] 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 fa2e90f0-36f3-426d-b89c-32e7b9d62721 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-21 14:37:09.970 10 WARNING nova.scheduler.utils [None req-e7f16f35-5854-4b09-a2d6-cdd07185ab12 5014de1b59b24526b8b25ef57da129cb 8b737f997c2a48a0915cffaf0161876a - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fa2e90f0-36f3-426d-b89c-32e7b9d62721.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fa2e90f0-36f3-426d-b89c-32e7b9d62721. 2026-07-21 14:37:09.970 10 WARNING nova.scheduler.utils [None req-e7f16f35-5854-4b09-a2d6-cdd07185ab12 5014de1b59b24526b8b25ef57da129cb 8b737f997c2a48a0915cffaf0161876a - - default default] [instance: fa2e90f0-36f3-426d-b89c-32e7b9d62721] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance fa2e90f0-36f3-426d-b89c-32e7b9d62721. 2026-07-21 14:37:10.020 10 WARNING neutronclient.v2_0.client [None req-e7f16f35-5854-4b09-a2d6-cdd07185ab12 5014de1b59b24526b8b25ef57da129cb 8b737f997c2a48a0915cffaf0161876a - - 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 fa2e90f0-36f3-426d-b89c-32e7b9d62721. 2026-07-21 14:37:10.074 10 WARNING neutronclient.v2_0.client [None req-e7f16f35-5854-4b09-a2d6-cdd07185ab12 5014de1b59b24526b8b25ef57da129cb 8b737f997c2a48a0915cffaf0161876a - - 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 fa2e90f0-36f3-426d-b89c-32e7b9d62721. 2026-07-21 14:38:05.670 10 ERROR nova.scheduler.utils [None req-8753adf3-d3bd-49fc-a900-aaeb4e3a3da3 8a1be7244c5348e0a99efa020e446b29 3fac6846941b4f32bcfb0a2234be46fe - - default default] [instance: af9a84a5-8d0f-4729-8fb6-27cd94a169d4] 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 af9a84a5-8d0f-4729-8fb6-27cd94a169d4 was re-scheduled: Failure running os_vif plugin plug method: No VIF plugin was found with the name ovs\n'] 2026-07-21 14:38:05.671 10 WARNING nova.scheduler.utils [None req-8753adf3-d3bd-49fc-a900-aaeb4e3a3da3 8a1be7244c5348e0a99efa020e446b29 3fac6846941b4f32bcfb0a2234be46fe - - default default] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance af9a84a5-8d0f-4729-8fb6-27cd94a169d4.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance af9a84a5-8d0f-4729-8fb6-27cd94a169d4. 2026-07-21 14:38:05.672 10 WARNING nova.scheduler.utils [None req-8753adf3-d3bd-49fc-a900-aaeb4e3a3da3 8a1be7244c5348e0a99efa020e446b29 3fac6846941b4f32bcfb0a2234be46fe - - default default] [instance: af9a84a5-8d0f-4729-8fb6-27cd94a169d4] Setting instance to ERROR state.: nova.exception.MaxRetriesExceeded: Exceeded maximum number of retries. Exhausted all hosts available for retrying build failures for instance af9a84a5-8d0f-4729-8fb6-27cd94a169d4. 2026-07-21 14:38:05.738 10 WARNING neutronclient.v2_0.client [None req-8753adf3-d3bd-49fc-a900-aaeb4e3a3da3 8a1be7244c5348e0a99efa020e446b29 3fac6846941b4f32bcfb0a2234be46fe - - 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 af9a84a5-8d0f-4729-8fb6-27cd94a169d4. 2026-07-21 14:38:05.770 10 WARNING neutronclient.v2_0.client [None req-8753adf3-d3bd-49fc-a900-aaeb4e3a3da3 8a1be7244c5348e0a99efa020e446b29 3fac6846941b4f32bcfb0a2234be46fe - - 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 af9a84a5-8d0f-4729-8fb6-27cd94a169d4.