+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-18 15:41:17.788 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-18 15:41:18.031 1 INFO cinder.rpc [None req-92996d91-dd3f-41c6-8ec7-664ddc76c687 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-18 15:41:18.034 1 INFO cinder.rpc [None req-92996d91-dd3f-41c6-8ec7-664ddc76c687 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-06-18 15:41:18.037 1 INFO cinder.rpc [None req-92996d91-dd3f-41c6-8ec7-664ddc76c687 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-18 15:41:18.040 1 INFO cinder.rpc [None req-92996d91-dd3f-41c6-8ec7-664ddc76c687 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-06-18 15:41:18.044 1 INFO cinder.rpc [None req-92996d91-dd3f-41c6-8ec7-664ddc76c687 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-18 15:41:18.048 1 INFO cinder.rpc [None req-92996d91-dd3f-41c6-8ec7-664ddc76c687 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-18 15:41:18.106 1 WARNING oslo_config.cfg [None req-92996d91-dd3f-41c6-8ec7-664ddc76c687 - - - - - -] 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.
2026-06-18 15:41:18.108 1 WARNING oslo_config.cfg [None req-92996d91-dd3f-41c6-8ec7-664ddc76c687 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-18 15:41:18.120 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-06-18 15:41:18.139 1 INFO cinder.backup.manager [None req-71cd9f8d-fb10-4c15-bddb-074db357a011 - - - - - -] Cleaning up incomplete backup operations.
2026-06-18 15:41:18.325 1 INFO cinder.keymgr.migration [None req-f2aaf529-089b-4ac7-bc5d-03e804952ab9 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.