+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-19 05:45:25.569 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-19 05:45:25.873 1 INFO cinder.rpc [None req-c51e74fa-b338-4ba3-9e9f-5b76646af0ba - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-19 05:45:25.876 1 INFO cinder.rpc [None req-c51e74fa-b338-4ba3-9e9f-5b76646af0ba - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-19 05:45:25.879 1 INFO cinder.rpc [None req-c51e74fa-b338-4ba3-9e9f-5b76646af0ba - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-19 05:45:25.881 1 INFO cinder.rpc [None req-c51e74fa-b338-4ba3-9e9f-5b76646af0ba - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-19 05:45:25.884 1 INFO cinder.rpc [None req-c51e74fa-b338-4ba3-9e9f-5b76646af0ba - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-19 05:45:25.887 1 INFO cinder.rpc [None req-c51e74fa-b338-4ba3-9e9f-5b76646af0ba - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-19 05:45:25.962 1 WARNING oslo_config.cfg [None req-c51e74fa-b338-4ba3-9e9f-5b76646af0ba - - - - - -] 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. 2026-05-19 05:45:25.963 1 WARNING oslo_config.cfg [None req-c51e74fa-b338-4ba3-9e9f-5b76646af0ba - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-19 05:45:25.973 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-19 05:45:26.000 1 INFO cinder.backup.manager [None req-a21caedc-2f88-4011-8ee7-39af31be9f18 - - - - - -] Cleaning up incomplete backup operations. 2026-05-19 05:45:26.070 1 INFO cinder.keymgr.migration [None req-4e82e39f-8495-41fb-b1fc-c591ab38f7a8 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.