+ 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.
2026-04-09 16:33:35.414 1 INFO nova.utils [None req-e4855d37-24a1-40cb-99c2-01b4f7cd24a9 - - - - - -] The default thread pool MainProcess.default is initialized
2026-04-09 16:33:35.809 1 INFO nova.utils [None req-e4855d37-24a1-40cb-99c2-01b4f7cd24a9 - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized
2026-04-09 16:33:35.837 1 INFO nova.utils [None req-966e10a8-ba31-49dd-b97a-92655ff83631 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down
2026-04-09 16:33:36.835 1 INFO nova.utils [None req-966e10a8-ba31-49dd-b97a-92655ff83631 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed
2026-04-09 16:33:36.836 1 INFO nova.utils [None req-966e10a8-ba31-49dd-b97a-92655ff83631 - - - - - -] The default thread pool MainProcess.default is shutting down
2026-04-09 16:33:37.529 1 INFO nova.utils [None req-966e10a8-ba31-49dd-b97a-92655ff83631 - - - - - -] The default thread pool MainProcess.default is closed
2026-04-09 16:33:37.539 1 WARNING oslo_config.cfg [None req-966e10a8-ba31-49dd-b97a-92655ff83631 - - - - - -] 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.
2026-04-09 16:33:37.578 11 INFO nova.service [-] Starting scheduler node (version 32.1.0)
2026-04-09 16:33:37.599 14 INFO nova.service [-] Starting scheduler node (version 32.1.0)
2026-04-09 16:39:08.706 11 INFO nova.scheduler.manager [None req-7388d2f7-8ab7-420d-94f2-f4360718cc3b - - - - - -] Discovered 1 new hosts: cell1:instance
2026-04-09 16:41:05.759 11 INFO nova.scheduler.host_manager [None req-964d38da-0829-4fe6-9d31-60a21f80e251 - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.
2026-04-09 16:41:05.762 14 INFO nova.scheduler.host_manager [None req-964d38da-0829-4fe6-9d31-60a21f80e251 - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.
2026-04-09 16:54:31.015 14 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 38.30 sec
2026-04-09 16:54:49.654 11 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 56.94 sec
2026-04-09 16:54:53.466 11 ERROR oslo_service.periodic_task [None req-13030768-0b3e-429a-b214-de681f12f959 - - - - - -] Error during SchedulerManager._discover_hosts_in_cells: IndexError: list index out of range
2026-04-09 16:54:53.466 11 ERROR oslo_service.periodic_task Traceback (most recent call last):
2026-04-09 16:54:53.466 11 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
2026-04-09 16:54:53.466 11 ERROR oslo_service.periodic_task     task(self, context)
2026-04-09 16:54:53.466 11 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
2026-04-09 16:54:53.466 11 ERROR oslo_service.periodic_task     leader = sorted(
2026-04-09 16:54:53.466 11 ERROR oslo_service.periodic_task              ^^^^^^^
2026-04-09 16:54:53.466 11 ERROR oslo_service.periodic_task IndexError: list index out of range
2026-04-09 16:54:53.466 11 ERROR oslo_service.periodic_task 
2026-04-09 16:54:56.638 14 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 15.62 sec
2026-04-09 16:56:01.566 11 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 1.91 sec
2026-04-09 16:56:07.048 14 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 0.40 sec
2026-04-09 17:18:08.544 11 INFO nova.utils [None req-e383daf4-2563-4396-bfb0-497df12faf79 c7d87aaf25364ab6b085f07fda81c26b 75be8567c6d149c4b0b654cd265f8720 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized
2026-04-09 17:18:08.914 14 INFO nova.utils [None req-b7821aad-b845-4e0b-826f-c94770a0dbb9 0cd384246a984a95a4f1933e1a94dc87 d62d00b28bbc4d2086a555a49e38314a - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized