+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-24 15:50:16.810 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-24 15:50:17.097 1 INFO cinder.rpc [None req-f53d7e8d-7c46-4d33-84cd-782ade885290 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-24 15:50:17.099 1 INFO cinder.rpc [None req-f53d7e8d-7c46-4d33-84cd-782ade885290 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-24 15:50:17.102 1 INFO cinder.rpc [None req-f53d7e8d-7c46-4d33-84cd-782ade885290 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-24 15:50:17.104 1 INFO cinder.rpc [None req-f53d7e8d-7c46-4d33-84cd-782ade885290 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-24 15:50:17.107 1 INFO cinder.rpc [None req-f53d7e8d-7c46-4d33-84cd-782ade885290 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-24 15:50:17.109 1 INFO cinder.rpc [None req-f53d7e8d-7c46-4d33-84cd-782ade885290 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-24 15:50:17.170 1 WARNING oslo_config.cfg [None req-f53d7e8d-7c46-4d33-84cd-782ade885290 - - - - - -] 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.
2026-08-24 15:50:17.171 1 WARNING oslo_config.cfg [None req-f53d7e8d-7c46-4d33-84cd-782ade885290 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-24 15:50:17.179 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-08-24 15:50:17.207 1 INFO cinder.backup.manager [None req-32fb35f7-aed1-41a4-b3bd-89727681e3c0 - - - - - -] Cleaning up incomplete backup operations.
2026-08-24 15:50:17.271 1 INFO cinder.keymgr.migration [None req-837c3954-90cb-429d-9392-f45cf07765e4 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.