+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-05 11:50:25.511 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-05 11:50:25.804 1 INFO cinder.rpc [None req-c8fea3fc-5e50-4fb8-89bf-be044f874efd - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-05 11:50:25.808 1 INFO cinder.rpc [None req-c8fea3fc-5e50-4fb8-89bf-be044f874efd - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-05 11:50:25.811 1 INFO cinder.rpc [None req-c8fea3fc-5e50-4fb8-89bf-be044f874efd - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-05 11:50:25.813 1 INFO cinder.rpc [None req-c8fea3fc-5e50-4fb8-89bf-be044f874efd - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-05 11:50:25.817 1 INFO cinder.rpc [None req-c8fea3fc-5e50-4fb8-89bf-be044f874efd - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-05 11:50:25.820 1 INFO cinder.rpc [None req-c8fea3fc-5e50-4fb8-89bf-be044f874efd - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-05 11:50:25.882 1 WARNING oslo_config.cfg [None req-c8fea3fc-5e50-4fb8-89bf-be044f874efd - - - - - -] 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. 2026-05-05 11:50:25.884 1 WARNING oslo_config.cfg [None req-c8fea3fc-5e50-4fb8-89bf-be044f874efd - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-05 11:50:25.894 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-05 11:50:25.921 1 INFO cinder.backup.manager [None req-0f5ca7a3-10b5-4843-8726-329189cbfa92 - - - - - -] Cleaning up incomplete backup operations. 2026-05-05 11:50:25.995 1 INFO cinder.keymgr.migration [None req-a03fd787-4daa-42b3-8ba0-566eccbc924a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.