+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-06 14:42:23.379 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-06 14:42:23.664 1 INFO cinder.rpc [None req-09486083-1d63-4d22-8f53-a45b24cf5d7d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-06 14:42:23.666 1 INFO cinder.rpc [None req-09486083-1d63-4d22-8f53-a45b24cf5d7d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-06 14:42:23.668 1 INFO cinder.rpc [None req-09486083-1d63-4d22-8f53-a45b24cf5d7d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-06 14:42:23.671 1 INFO cinder.rpc [None req-09486083-1d63-4d22-8f53-a45b24cf5d7d - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-06 14:42:23.674 1 INFO cinder.rpc [None req-09486083-1d63-4d22-8f53-a45b24cf5d7d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-06 14:42:23.676 1 INFO cinder.rpc [None req-09486083-1d63-4d22-8f53-a45b24cf5d7d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-06 14:42:23.850 1 WARNING oslo_config.cfg [None req-09486083-1d63-4d22-8f53-a45b24cf5d7d - - - - - -] 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. 2026-05-06 14:42:23.851 1 WARNING oslo_config.cfg [None req-09486083-1d63-4d22-8f53-a45b24cf5d7d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-06 14:42:23.859 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-06 14:42:23.884 1 INFO cinder.backup.manager [None req-6de03502-f1d2-49e1-ba20-0a11dabc1854 - - - - - -] Cleaning up incomplete backup operations. 2026-05-06 14:42:23.949 1 INFO cinder.keymgr.migration [None req-776b1fee-9778-4b11-adbf-860573d85a4d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.