+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-30 01:19:14.973 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-30 01:19:15.251 1 INFO cinder.rpc [None req-02ab85ca-d9d0-42af-a4d5-84bec1e7e43b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-30 01:19:15.254 1 INFO cinder.rpc [None req-02ab85ca-d9d0-42af-a4d5-84bec1e7e43b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-30 01:19:15.256 1 INFO cinder.rpc [None req-02ab85ca-d9d0-42af-a4d5-84bec1e7e43b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-30 01:19:15.258 1 INFO cinder.rpc [None req-02ab85ca-d9d0-42af-a4d5-84bec1e7e43b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-30 01:19:15.261 1 INFO cinder.rpc [None req-02ab85ca-d9d0-42af-a4d5-84bec1e7e43b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-30 01:19:15.264 1 INFO cinder.rpc [None req-02ab85ca-d9d0-42af-a4d5-84bec1e7e43b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-30 01:19:15.326 1 WARNING oslo_config.cfg [None req-02ab85ca-d9d0-42af-a4d5-84bec1e7e43b - - - - - -] 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.
2026-07-30 01:19:15.327 1 WARNING oslo_config.cfg [None req-02ab85ca-d9d0-42af-a4d5-84bec1e7e43b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-30 01:19:15.337 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-07-30 01:19:15.362 1 INFO cinder.backup.manager [None req-6d26c797-31d1-4cfb-8096-8f8036c7dce3 - - - - - -] Cleaning up incomplete backup operations.
2026-07-30 01:19:15.405 1 INFO cinder.keymgr.migration [None req-3ae52d9d-4ea1-4325-b5ba-3e8c41910f16 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.