+ exec nova-scheduler --config-file /etc/nova/nova.conf /var/lib/openstack/lib/python3.10/site-packages/nova/virt/__init__.py:18: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81. __import__('pkg_resources').declare_namespace(__name__) 2026-08-14 23:45:16.547 1 INFO oslo_service.service [None req-ae53b736-2afe-4171-9bc9-67588b91ca7e - - - - - -] Starting 2 workers 2026-08-14 23:45:16.557 6 INFO nova.service [-] Starting scheduler node (version 29.3.1) 2026-08-14 23:45:16.557 7 INFO nova.service [-] Starting scheduler node (version 29.3.1) 2026-08-14 23:45:16.560 1 WARNING oslo_config.cfg [None req-ae53b736-2afe-4171-9bc9-67588b91ca7e - - - - - -] 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. 2026-08-14 23:50:20.715 7 WARNING nova.scheduler.manager [None req-d51efe6f-8489-48ad-be3b-cbbbce6a748f - - - - - -] 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 2026-08-14 23:50:20.735 6 INFO nova.scheduler.manager [None req-9a7aa026-04c2-4f66-be13-b0772bb54346 - - - - - -] Discovered 1 new hosts: cell1:instance 2026-08-14 23:51:55.703 7 INFO nova.scheduler.host_manager [None req-784a9dbf-4de9-4ab4-96f5-8371a1d4201c - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList. 2026-08-14 23:51:55.705 6 INFO nova.scheduler.host_manager [None req-784a9dbf-4de9-4ab4-96f5-8371a1d4201c - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.