+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-19 20:30:13.538 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-19 20:30:13.854 1 INFO cinder.rpc [None req-3a52448e-9c11-4a8d-915f-8beb242838e5 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-19 20:30:13.857 1 INFO cinder.rpc [None req-3a52448e-9c11-4a8d-915f-8beb242838e5 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-19 20:30:13.859 1 INFO cinder.rpc [None req-3a52448e-9c11-4a8d-915f-8beb242838e5 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-19 20:30:13.861 1 INFO cinder.rpc [None req-3a52448e-9c11-4a8d-915f-8beb242838e5 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-19 20:30:13.865 1 INFO cinder.rpc [None req-3a52448e-9c11-4a8d-915f-8beb242838e5 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-19 20:30:13.868 1 INFO cinder.rpc [None req-3a52448e-9c11-4a8d-915f-8beb242838e5 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-19 20:30:14.341 1 WARNING oslo_config.cfg [None req-3a52448e-9c11-4a8d-915f-8beb242838e5 - - - - - -] 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. 2026-05-19 20:30:14.343 1 WARNING oslo_config.cfg [None req-3a52448e-9c11-4a8d-915f-8beb242838e5 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-19 20:30:14.352 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-05-19 20:30:14.379 1 INFO cinder.backup.manager [None req-2c72679d-0fa2-48ea-99a2-58b3766a5d32 - - - - - -] Cleaning up incomplete backup operations. 2026-05-19 20:30:14.457 1 INFO cinder.keymgr.migration [None req-3ff6f39c-2fcc-438a-906d-d39c3cb33cc0 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.