+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-20 18:02:16.584 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-20 18:02:16.855 1 INFO cinder.rpc [None req-f59743d3-ccb7-4143-b63c-d5acddda095b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-20 18:02:16.858 1 INFO cinder.rpc [None req-f59743d3-ccb7-4143-b63c-d5acddda095b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-20 18:02:16.860 1 INFO cinder.rpc [None req-f59743d3-ccb7-4143-b63c-d5acddda095b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-20 18:02:16.862 1 INFO cinder.rpc [None req-f59743d3-ccb7-4143-b63c-d5acddda095b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-20 18:02:16.865 1 INFO cinder.rpc [None req-f59743d3-ccb7-4143-b63c-d5acddda095b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-20 18:02:16.867 1 INFO cinder.rpc [None req-f59743d3-ccb7-4143-b63c-d5acddda095b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-20 18:02:16.928 1 WARNING oslo_config.cfg [None req-f59743d3-ccb7-4143-b63c-d5acddda095b - - - - - -] 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. 2026-04-20 18:02:16.929 1 WARNING oslo_config.cfg [None req-f59743d3-ccb7-4143-b63c-d5acddda095b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-20 18:02:16.940 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-20 18:02:16.964 1 INFO cinder.backup.manager [None req-e6a73489-28e1-4b55-a654-7264546711b0 - - - - - -] Cleaning up incomplete backup operations. 2026-04-20 18:02:17.022 1 INFO cinder.keymgr.migration [None req-35bb09ab-7a2e-4f90-9ee1-9168bbcae5ef - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.