+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-27 01:55:08.350 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-27 01:55:08.582 1 INFO cinder.rpc [None req-47d27813-0c65-4a38-af5f-24a5d6af2959 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-27 01:55:08.585 1 INFO cinder.rpc [None req-47d27813-0c65-4a38-af5f-24a5d6af2959 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-04-27 01:55:08.588 1 INFO cinder.rpc [None req-47d27813-0c65-4a38-af5f-24a5d6af2959 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-27 01:55:08.591 1 INFO cinder.rpc [None req-47d27813-0c65-4a38-af5f-24a5d6af2959 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-04-27 01:55:08.595 1 INFO cinder.rpc [None req-47d27813-0c65-4a38-af5f-24a5d6af2959 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-27 01:55:08.599 1 INFO cinder.rpc [None req-47d27813-0c65-4a38-af5f-24a5d6af2959 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-27 01:55:08.662 1 WARNING oslo_config.cfg [None req-47d27813-0c65-4a38-af5f-24a5d6af2959 - - - - - -] 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. 2026-04-27 01:55:08.664 1 WARNING oslo_config.cfg [None req-47d27813-0c65-4a38-af5f-24a5d6af2959 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-27 01:55:08.675 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-04-27 01:55:08.696 1 INFO cinder.backup.manager [None req-7047846f-83b2-44a8-a293-da443a14fe79 - - - - - -] Cleaning up incomplete backup operations. 2026-04-27 01:55:08.869 1 INFO cinder.keymgr.migration [None req-f70e2d1c-b629-46da-b325-b65c544b1b6b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.