+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-03-09 15:55:38.546 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-03-09 15:55:38.816 1 INFO cinder.rpc [None req-4f628e94-90de-4adb-8939-c8b871572fcc - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-03-09 15:55:38.819 1 INFO cinder.rpc [None req-4f628e94-90de-4adb-8939-c8b871572fcc - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-03-09 15:55:38.822 1 INFO cinder.rpc [None req-4f628e94-90de-4adb-8939-c8b871572fcc - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-03-09 15:55:38.824 1 INFO cinder.rpc [None req-4f628e94-90de-4adb-8939-c8b871572fcc - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-03-09 15:55:38.827 1 INFO cinder.rpc [None req-4f628e94-90de-4adb-8939-c8b871572fcc - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-03-09 15:55:38.830 1 INFO cinder.rpc [None req-4f628e94-90de-4adb-8939-c8b871572fcc - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-03-09 15:55:38.890 1 WARNING oslo_config.cfg [None req-4f628e94-90de-4adb-8939-c8b871572fcc - - - - - -] 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.
2026-03-09 15:55:38.891 1 WARNING oslo_config.cfg [None req-4f628e94-90de-4adb-8939-c8b871572fcc - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-03-09 15:55:38.903 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-03-09 15:55:38.927 1 INFO cinder.backup.manager [None req-4366d81e-7718-4ae9-a461-b4b0c65c393c - - - - - -] Cleaning up incomplete backup operations.
2026-03-09 15:55:38.985 1 INFO cinder.keymgr.migration [None req-77e07826-8c0d-4910-a653-149ac785fd2f - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.