+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-28 06:37:28.478 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-28 06:37:28.780 1 INFO cinder.rpc [None req-48dffbaa-bbbc-4ebf-8bbf-287010b39894 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-28 06:37:28.785 1 INFO cinder.rpc [None req-48dffbaa-bbbc-4ebf-8bbf-287010b39894 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-28 06:37:28.788 1 INFO cinder.rpc [None req-48dffbaa-bbbc-4ebf-8bbf-287010b39894 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-28 06:37:28.792 1 INFO cinder.rpc [None req-48dffbaa-bbbc-4ebf-8bbf-287010b39894 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-28 06:37:28.796 1 INFO cinder.rpc [None req-48dffbaa-bbbc-4ebf-8bbf-287010b39894 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-28 06:37:28.800 1 INFO cinder.rpc [None req-48dffbaa-bbbc-4ebf-8bbf-287010b39894 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-28 06:37:28.874 1 WARNING oslo_config.cfg [None req-48dffbaa-bbbc-4ebf-8bbf-287010b39894 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated for removal (The auth_uri option is deprecated in favor of www_authenticate_uri and will be removed in the S  release.).  Its value may be silently ignored in the future.
2026-08-28 06:37:28.876 1 WARNING oslo_config.cfg [None req-48dffbaa-bbbc-4ebf-8bbf-287010b39894 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-28 06:37:28.885 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-08-28 06:37:28.908 1 INFO cinder.backup.manager [None req-71a84390-6717-4b0c-8e39-20baffb8e4c2 - - - - - -] Cleaning up incomplete backup operations.
2026-08-28 06:37:28.974 1 INFO cinder.keymgr.migration [None req-f83f6ec5-2258-47c2-8bf8-bf2f574bc95c - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.