+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-26 14:39:52.406 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-26 14:39:53.616 1 INFO cinder.rpc [None req-768ebdab-d4cd-4ea9-95b9-9a1c280f276e - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-26 14:39:53.619 1 INFO cinder.rpc [None req-768ebdab-d4cd-4ea9-95b9-9a1c280f276e - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-03-26 14:39:53.621 1 INFO cinder.rpc [None req-768ebdab-d4cd-4ea9-95b9-9a1c280f276e - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-26 14:39:53.623 1 INFO cinder.rpc [None req-768ebdab-d4cd-4ea9-95b9-9a1c280f276e - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-03-26 14:39:53.626 1 INFO cinder.rpc [None req-768ebdab-d4cd-4ea9-95b9-9a1c280f276e - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-26 14:39:53.628 1 INFO cinder.rpc [None req-768ebdab-d4cd-4ea9-95b9-9a1c280f276e - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-26 14:39:53.699 1 WARNING oslo_config.cfg [None req-768ebdab-d4cd-4ea9-95b9-9a1c280f276e - - - - - -] 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. 2026-03-26 14:39:53.700 1 WARNING oslo_config.cfg [None req-768ebdab-d4cd-4ea9-95b9-9a1c280f276e - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-26 14:39:53.710 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-03-26 14:39:53.748 1 INFO cinder.backup.manager [None req-b8f28c67-0a81-4d71-83d2-ed2d80ba23f4 - - - - - -] Cleaning up incomplete backup operations. 2026-03-26 14:39:53.828 1 INFO cinder.keymgr.migration [None req-35e7188b-4ddb-430d-8a3f-7cef678f16e8 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.