+ 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__) 2026-08-16 13:21:20.045 1 INFO oslo_service.service [None req-ea56222b-ecad-4b03-b321-3544e8804d31 - - - - - -] Starting 2 workers 2026-08-16 13:21:20.054 7 INFO nova.service [-] Starting scheduler node (version 29.3.1) 2026-08-16 13:21:20.055 8 INFO nova.service [-] Starting scheduler node (version 29.3.1) 2026-08-16 13:21:20.057 1 WARNING oslo_config.cfg [None req-ea56222b-ecad-4b03-b321-3544e8804d31 - - - - - -] 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. 2026-08-16 13:26:15.212 8 WARNING nova.scheduler.manager [None req-a8004e5f-274d-45f0-98b9-a2b9c96b0ed0 - - - - - -] 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 2026-08-16 13:26:15.225 7 INFO nova.scheduler.manager [None req-bf65127c-01de-4182-97ff-ab63e71f5446 - - - - - -] Discovered 1 new hosts: cell1:instance 2026-08-16 13:28:07.843 7 INFO nova.scheduler.host_manager [None req-0882643d-0ef7-471b-8294-c7f561691c71 - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList. 2026-08-16 13:28:07.845 8 INFO nova.scheduler.host_manager [None req-0882643d-0ef7-471b-8294-c7f561691c71 - - - - - -] Received a sync request from an unknown host 'instance'. Re-created its InstanceList.