+ exec nova-scheduler --config-file /etc/nova/nova.conf
Service is starting with native threading. This is currently experimental. Do not use it in production without first testing it in pre-production.
2026-07-29 14:34:38.103 1 INFO nova.utils [None req-674837f9-1120-4417-b392-1d54e4f7c72b - - - - - -] The default thread pool MainProcess.default is initialized
2026-07-29 14:34:38.517 1 INFO nova.utils [None req-674837f9-1120-4417-b392-1d54e4f7c72b - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-07-29 14:34:38.553 1 INFO nova.utils [None req-54e5aa00-e4aa-43a8-a30b-53e36df12623 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-07-29 14:34:39.552 1 INFO nova.utils [None req-54e5aa00-e4aa-43a8-a30b-53e36df12623 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-07-29 14:34:39.553 1 INFO nova.utils [None req-54e5aa00-e4aa-43a8-a30b-53e36df12623 - - - - - -] The default thread pool MainProcess.default is shutting down
2026-07-29 14:34:40.214 1 INFO nova.utils [None req-54e5aa00-e4aa-43a8-a30b-53e36df12623 - - - - - -] The default thread pool MainProcess.default is closed
2026-07-29 14:34:40.224 1 WARNING oslo_config.cfg [None req-54e5aa00-e4aa-43a8-a30b-53e36df12623 - - - - - -] 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.
2026-07-29 14:34:40.267 11 INFO nova.service [-] Starting scheduler node (version 32.1.0)
2026-07-29 14:34:40.281 13 INFO nova.service [-] Starting scheduler node (version 32.1.0)
2026-07-29 14:44:07.924 11 INFO nova.scheduler.manager [None req-cbe38209-f34b-4eec-8288-bb09ff8f7241 - - - - - -] Discovered 1 new hosts: cell1:instance
2026-07-29 14:45:50.223 11 INFO nova.scheduler.host_manager [None req-0a12f8ef-144a-429f-b7a8-5c9f6a06e4af - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.
2026-07-29 14:45:50.236 13 INFO nova.scheduler.host_manager [None req-0a12f8ef-144a-429f-b7a8-5c9f6a06e4af - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.
2026-07-29 14:53:44.157 13 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 8.78 sec
2026-07-29 14:53:44.165 11 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 8.77 sec
2026-07-29 14:55:17.829 13 ERROR oslo_service.periodic_task [None req-ee1f719b-0543-4264-919e-7c5b5daf181a - - - - - -] Error during SchedulerManager._discover_hosts_in_cells: IndexError: list index out of range
2026-07-29 14:55:17.829 13 ERROR oslo_service.periodic_task Traceback (most recent call last):
2026-07-29 14:55:17.829 13 ERROR oslo_service.periodic_task   File "/var/lib/openstack/lib/python3.12/site-packages/oslo_service/periodic_task.py", line 216, in run_periodic_tasks
2026-07-29 14:55:17.829 13 ERROR oslo_service.periodic_task     task(self, context)
2026-07-29 14:55:17.829 13 ERROR oslo_service.periodic_task   File "/var/lib/openstack/lib/python3.12/site-packages/nova/scheduler/manager.py", line 114, in _discover_hosts_in_cells
2026-07-29 14:55:17.829 13 ERROR oslo_service.periodic_task     leader = sorted(
2026-07-29 14:55:17.829 13 ERROR oslo_service.periodic_task              ^^^^^^^
2026-07-29 14:55:17.829 13 ERROR oslo_service.periodic_task IndexError: list index out of range
2026-07-29 14:55:17.829 13 ERROR oslo_service.periodic_task 
2026-07-29 14:55:31.122 11 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 96.96 sec
2026-07-29 14:55:32.159 13 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 98.00 sec
2026-07-29 15:03:49.881 11 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 8.73 sec
2026-07-29 15:03:49.957 13 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 7.86 sec
2026-07-29 15:04:20.959 13 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 0.99 sec
2026-07-29 15:04:20.965 11 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 1.08 sec
2026-07-29 15:05:13.475 13 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 2.52 sec
2026-07-29 15:05:13.481 11 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 2.52 sec