+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-25 15:35:28.480 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-25 15:35:28.793 1 INFO cinder.rpc [None req-a4945adb-7112-4d57-ba13-3ff845a76c76 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-25 15:35:28.795 1 INFO cinder.rpc [None req-a4945adb-7112-4d57-ba13-3ff845a76c76 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-25 15:35:28.797 1 INFO cinder.rpc [None req-a4945adb-7112-4d57-ba13-3ff845a76c76 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-25 15:35:28.799 1 INFO cinder.rpc [None req-a4945adb-7112-4d57-ba13-3ff845a76c76 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-25 15:35:28.802 1 INFO cinder.rpc [None req-a4945adb-7112-4d57-ba13-3ff845a76c76 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-25 15:35:28.804 1 INFO cinder.rpc [None req-a4945adb-7112-4d57-ba13-3ff845a76c76 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-25 15:35:28.865 1 WARNING oslo_config.cfg [None req-a4945adb-7112-4d57-ba13-3ff845a76c76 - - - - - -] 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.
2026-09-25 15:35:28.866 1 WARNING oslo_config.cfg [None req-a4945adb-7112-4d57-ba13-3ff845a76c76 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-25 15:35:28.874 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-25 15:35:28.898 1 INFO cinder.backup.manager [None req-c875ee1f-8f61-4079-86ff-fc0220ea5c17 - - - - - -] Cleaning up incomplete backup operations.
2026-09-25 15:35:28.939 1 INFO cinder.keymgr.migration [None req-5a7c41b7-f541-41e6-9891-efcf5c6926f3 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.