+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-03-03 21:36:42.454 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-03-03 21:36:42.727 1 INFO cinder.rpc [None req-3584d37b-3702-4793-ab5e-a08261457ec7 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-03-03 21:36:42.730 1 INFO cinder.rpc [None req-3584d37b-3702-4793-ab5e-a08261457ec7 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-03-03 21:36:42.731 1 INFO cinder.rpc [None req-3584d37b-3702-4793-ab5e-a08261457ec7 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-03-03 21:36:42.733 1 INFO cinder.rpc [None req-3584d37b-3702-4793-ab5e-a08261457ec7 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-03-03 21:36:42.736 1 INFO cinder.rpc [None req-3584d37b-3702-4793-ab5e-a08261457ec7 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-03-03 21:36:42.739 1 INFO cinder.rpc [None req-3584d37b-3702-4793-ab5e-a08261457ec7 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-03-03 21:36:42.798 1 WARNING oslo_config.cfg [None req-3584d37b-3702-4793-ab5e-a08261457ec7 - - - - - -] 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.
2026-03-03 21:36:42.799 1 WARNING oslo_config.cfg [None req-3584d37b-3702-4793-ab5e-a08261457ec7 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-03-03 21:36:42.807 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-03-03 21:36:42.832 1 INFO cinder.backup.manager [None req-1935b576-bc68-4e7c-a254-d58fadb40ad3 - - - - - -] Cleaning up incomplete backup operations.
2026-03-03 21:36:42.886 1 INFO cinder.keymgr.migration [None req-c3ec79ca-ea85-401f-8882-c8c3a18626b6 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.