+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-22 15:05:02.090 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-22 15:05:02.320 1 INFO cinder.rpc [None req-8071a0cc-0845-495c-8a0c-8a9c5d66d830 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-22 15:05:02.323 1 INFO cinder.rpc [None req-8071a0cc-0845-495c-8a0c-8a9c5d66d830 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-08-22 15:05:02.325 1 INFO cinder.rpc [None req-8071a0cc-0845-495c-8a0c-8a9c5d66d830 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-22 15:05:02.327 1 INFO cinder.rpc [None req-8071a0cc-0845-495c-8a0c-8a9c5d66d830 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-22 15:05:02.330 1 INFO cinder.rpc [None req-8071a0cc-0845-495c-8a0c-8a9c5d66d830 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-22 15:05:02.333 1 INFO cinder.rpc [None req-8071a0cc-0845-495c-8a0c-8a9c5d66d830 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-22 15:05:02.386 1 WARNING oslo_config.cfg [None req-8071a0cc-0845-495c-8a0c-8a9c5d66d830 - - - - - -] 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.
2026-08-22 15:05:02.387 1 WARNING oslo_config.cfg [None req-8071a0cc-0845-495c-8a0c-8a9c5d66d830 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-22 15:05:02.397 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-08-22 15:05:02.415 1 INFO cinder.backup.manager [None req-28a027ee-3c21-4fd7-a341-0b0ed3bf9e1b - - - - - -] Cleaning up incomplete backup operations.
2026-08-22 15:05:02.552 1 INFO cinder.keymgr.migration [None req-5d91cb0c-985c-4a36-9329-5d624dbc16f6 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.