+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-21 03:27:48.556 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-21 03:27:48.830 1 INFO cinder.rpc [None req-424521b8-71df-4e4d-bd0e-de4bc5654a53 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-21 03:27:48.832 1 INFO cinder.rpc [None req-424521b8-71df-4e4d-bd0e-de4bc5654a53 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-21 03:27:48.835 1 INFO cinder.rpc [None req-424521b8-71df-4e4d-bd0e-de4bc5654a53 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-21 03:27:48.837 1 INFO cinder.rpc [None req-424521b8-71df-4e4d-bd0e-de4bc5654a53 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-21 03:27:48.840 1 INFO cinder.rpc [None req-424521b8-71df-4e4d-bd0e-de4bc5654a53 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-21 03:27:48.843 1 INFO cinder.rpc [None req-424521b8-71df-4e4d-bd0e-de4bc5654a53 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-21 03:27:48.902 1 WARNING oslo_config.cfg [None req-424521b8-71df-4e4d-bd0e-de4bc5654a53 - - - - - -] 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. 2026-05-21 03:27:48.903 1 WARNING oslo_config.cfg [None req-424521b8-71df-4e4d-bd0e-de4bc5654a53 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-21 03:27:48.914 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-21 03:27:48.938 1 INFO cinder.backup.manager [None req-c7cfcbd6-c6dd-4438-9307-31d5578fd565 - - - - - -] Cleaning up incomplete backup operations. 2026-05-21 03:27:49.000 1 INFO cinder.keymgr.migration [None req-4d9aea2b-8843-485d-9664-b784e3782b95 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.