+ 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. 2026-04-01 16:18:12.782 1 INFO nova.utils [None req-1551da0d-60dd-493d-bf8d-5f532be4660f - - - - - -] The default thread pool MainProcess.default is initialized 2026-04-01 16:18:13.239 1 INFO nova.utils [None req-1551da0d-60dd-493d-bf8d-5f532be4660f - - - - - -] The cell worker thread pool MainProcess.cell_worker is initialized 2026-04-01 16:18:13.265 1 INFO nova.utils [None req-33ef2a5f-3fba-4102-8e66-8864d9f4ae32 - - - - - -] The cell worker thread pool MainProcess.cell_worker is shutting down 2026-04-01 16:18:14.266 1 INFO nova.utils [None req-33ef2a5f-3fba-4102-8e66-8864d9f4ae32 - - - - - -] The cell worker thread pool MainProcess.cell_worker is closed 2026-04-01 16:18:14.266 1 INFO nova.utils [None req-33ef2a5f-3fba-4102-8e66-8864d9f4ae32 - - - - - -] The default thread pool MainProcess.default is shutting down 2026-04-01 16:18:14.894 1 INFO nova.utils [None req-33ef2a5f-3fba-4102-8e66-8864d9f4ae32 - - - - - -] The default thread pool MainProcess.default is closed 2026-04-01 16:18:14.904 1 WARNING oslo_config.cfg [None req-33ef2a5f-3fba-4102-8e66-8864d9f4ae32 - - - - - -] 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. 2026-04-01 16:18:14.945 11 INFO nova.service [-] Starting scheduler node (version 32.1.0) 2026-04-01 16:18:14.962 13 INFO nova.service [-] Starting scheduler node (version 32.1.0) 2026-04-01 16:24:23.321 11 INFO nova.scheduler.manager [None req-21575c71-6d9b-40a4-8891-41e33ab13ba5 - - - - - -] Discovered 1 new hosts: cell1:instance 2026-04-01 16:25:43.543 13 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 33.52 sec 2026-04-01 16:26:10.121 11 ERROR oslo_service.periodic_task [None req-fbba213c-d7c6-4a88-a676-eec8b512a7ee - - - - - -] Error during SchedulerManager._discover_hosts_in_cells: IndexError: list index out of range 2026-04-01 16:26:10.121 11 ERROR oslo_service.periodic_task Traceback (most recent call last): 2026-04-01 16:26:10.121 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 2026-04-01 16:26:10.121 11 ERROR oslo_service.periodic_task task(self, context) 2026-04-01 16:26:10.121 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 2026-04-01 16:26:10.121 11 ERROR oslo_service.periodic_task leader = sorted( 2026-04-01 16:26:10.121 11 ERROR oslo_service.periodic_task ^^^^^^^ 2026-04-01 16:26:10.121 11 ERROR oslo_service.periodic_task IndexError: list index out of range 2026-04-01 16:26:10.121 11 ERROR oslo_service.periodic_task 2026-04-01 16:26:10.122 13 ERROR oslo_service.periodic_task [None req-62c8c749-2520-418f-af59-050898091728 - - - - - -] Error during SchedulerManager._discover_hosts_in_cells: IndexError: list index out of range 2026-04-01 16:26:10.122 13 ERROR oslo_service.periodic_task Traceback (most recent call last): 2026-04-01 16:26:10.122 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 2026-04-01 16:26:10.122 13 ERROR oslo_service.periodic_task task(self, context) 2026-04-01 16:26:10.122 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 2026-04-01 16:26:10.122 13 ERROR oslo_service.periodic_task leader = sorted( 2026-04-01 16:26:10.122 13 ERROR oslo_service.periodic_task ^^^^^^^ 2026-04-01 16:26:10.122 13 ERROR oslo_service.periodic_task IndexError: list index out of range 2026-04-01 16:26:10.122 13 ERROR oslo_service.periodic_task 2026-04-01 16:26:18.614 11 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 68.61 sec 2026-04-01 16:26:26.878 13 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 33.33 sec 2026-04-01 16:26:33.888 11 WARNING oslo.service.backend._common.loopingcall [-] Function 'nova.servicegroup.drivers.db.DbDriver._report_state' run outlasted interval by 5.27 sec 2026-04-01 16:26:44.455 11 INFO nova.scheduler.host_manager [None req-84c3d76d-d193-43ae-aa1e-7f16a0df7507 - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList. 2026-04-01 16:26:44.458 13 INFO nova.scheduler.host_manager [None req-84c3d76d-d193-43ae-aa1e-7f16a0df7507 - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList. 2026-04-01 17:01:00.690 11 INFO nova.utils [None req-0e1124cc-2596-4f59-9dec-bce1af871bfd a1df2664f4984ee1891627fd02ee4048 10a01d2513ce45f6ab9c3c3c1fc2dbc9 - - default default] The cell worker thread pool ForkProcess-1.cell_worker is initialized 2026-04-01 17:01:02.928 13 INFO nova.utils [None req-0a2e96df-0f70-4393-93a7-d4ccdd929370 466bfe2d70d745979e52134c4c4b8ecc f5dc67ae25eb4f96af5b2b0f706cfe39 - - default default] The cell worker thread pool ForkProcess-2.cell_worker is initialized 2026-04-01 17:02:37.453 11 INFO nova.scheduler.host_manager [None req-3c0441c4-faa6-470d-8185-756bf0c5a2d8 - - - - - -] The instance sync for host 'instance' did not match. Re-created its InstanceList. 2026-04-01 17:02:37.453 13 INFO nova.scheduler.host_manager [None req-3c0441c4-faa6-470d-8185-756bf0c5a2d8 - - - - - -] The instance sync for host 'instance' did not match. Re-created its InstanceList. 2026-04-01 17:06:44.145 11 INFO nova.scheduler.host_manager [None req-4995773c-2678-42fd-a8f7-813134a91926 - - - - - -] The instance sync for host 'instance' did not match. Re-created its InstanceList. 2026-04-01 17:06:44.147 13 INFO nova.scheduler.host_manager [None req-4995773c-2678-42fd-a8f7-813134a91926 - - - - - -] The instance sync for host 'instance' did not match. Re-created its InstanceList.