+ exec nova-scheduler --config-file /etc/nova/nova.conf 3 RLock(s) were not greened, to fix this error make sure you run eventlet.monkey_patch() before importing any other modules. 2026-08-06 07:37:16.443 1 INFO oslo_service.service [None req-14011c39-2bf6-4d25-a325-03129211825e - - - - - -] Starting 2 workers 2026-08-06 07:37:16.451 7 INFO nova.service [-] Starting scheduler node (version 30.3.1) 2026-08-06 07:37:16.454 8 INFO nova.service [-] Starting scheduler node (version 30.3.1) 2026-08-06 07:37:16.457 1 WARNING oslo_config.cfg [None req-14011c39-2bf6-4d25-a325-03129211825e - - - - - -] 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. 2026-08-06 07:42:10.577 8 WARNING nova.scheduler.manager [None req-3e0e6e84-f9b2-4afc-b889-3f6f26e61c27 - - - - - -] This periodic task should only be enabled on a single scheduler to prevent collisions between multiple schedulers: Host 'instance' mapping already exists: nova.exception.HostMappingExists: Host 'instance' mapping already exists 2026-08-06 07:42:10.590 7 INFO nova.scheduler.manager [None req-31580fcc-f750-49fd-9e0c-70574bf935c0 - - - - - -] Discovered 1 new hosts: cell1:instance 2026-08-06 07:43:57.796 7 INFO nova.scheduler.host_manager [None req-2a8669d6-b150-4486-86d0-479a8a3b9044 - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList. 2026-08-06 07:43:57.796 8 INFO nova.scheduler.host_manager [None req-2a8669d6-b150-4486-86d0-479a8a3b9044 - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.