+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-27 21:24:11.053 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-27 21:24:11.274 1 INFO cinder.rpc [None req-e50aef23-1d5c-4698-99b5-590e005df495 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-27 21:24:11.277 1 INFO cinder.rpc [None req-e50aef23-1d5c-4698-99b5-590e005df495 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-04-27 21:24:11.279 1 INFO cinder.rpc [None req-e50aef23-1d5c-4698-99b5-590e005df495 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-27 21:24:11.282 1 INFO cinder.rpc [None req-e50aef23-1d5c-4698-99b5-590e005df495 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-04-27 21:24:11.285 1 INFO cinder.rpc [None req-e50aef23-1d5c-4698-99b5-590e005df495 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-27 21:24:11.289 1 INFO cinder.rpc [None req-e50aef23-1d5c-4698-99b5-590e005df495 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-27 21:24:11.342 1 WARNING oslo_config.cfg [None req-e50aef23-1d5c-4698-99b5-590e005df495 - - - - - -] 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 21:24:11.343 1 WARNING oslo_config.cfg [None req-e50aef23-1d5c-4698-99b5-590e005df495 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-27 21:24:11.354 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-04-27 21:24:11.371 1 INFO cinder.backup.manager [None req-334df525-f4be-403b-8034-e30066c3623f - - - - - -] Cleaning up incomplete backup operations. 2026-04-27 21:24:11.500 1 INFO cinder.keymgr.migration [None req-02a2e8d4-861e-445e-8a12-8278de8585f9 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.