+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-04 10:42:07.446 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-04 10:42:07.794 1 INFO cinder.rpc [None req-348ee6b4-65a2-4eb5-97a5-e0377329ff6d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-04 10:42:07.797 1 INFO cinder.rpc [None req-348ee6b4-65a2-4eb5-97a5-e0377329ff6d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-04 10:42:07.800 1 INFO cinder.rpc [None req-348ee6b4-65a2-4eb5-97a5-e0377329ff6d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-04 10:42:07.803 1 INFO cinder.rpc [None req-348ee6b4-65a2-4eb5-97a5-e0377329ff6d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-04 10:42:07.806 1 INFO cinder.rpc [None req-348ee6b4-65a2-4eb5-97a5-e0377329ff6d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-04 10:42:07.809 1 INFO cinder.rpc [None req-348ee6b4-65a2-4eb5-97a5-e0377329ff6d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-04 10:42:07.878 1 WARNING oslo_config.cfg [None req-348ee6b4-65a2-4eb5-97a5-e0377329ff6d - - - - - -] 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. 2026-04-04 10:42:07.879 1 WARNING oslo_config.cfg [None req-348ee6b4-65a2-4eb5-97a5-e0377329ff6d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-04 10:42:07.889 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-04 10:42:07.916 1 INFO cinder.backup.manager [None req-e85bae05-f251-4c2d-adf9-8fd56fb4124b - - - - - -] Cleaning up incomplete backup operations. 2026-04-04 10:42:07.978 1 INFO cinder.keymgr.migration [None req-c25c666c-5ddd-4666-93fd-7f069c0c9ab8 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.