+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-03-09 14:02:51.399 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-03-09 14:02:51.669 1 INFO cinder.rpc [None req-b2ef536d-7953-446b-b99f-a68784b9de13 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-03-09 14:02:51.671 1 INFO cinder.rpc [None req-b2ef536d-7953-446b-b99f-a68784b9de13 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-03-09 14:02:51.674 1 INFO cinder.rpc [None req-b2ef536d-7953-446b-b99f-a68784b9de13 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-03-09 14:02:51.677 1 INFO cinder.rpc [None req-b2ef536d-7953-446b-b99f-a68784b9de13 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-03-09 14:02:51.680 1 INFO cinder.rpc [None req-b2ef536d-7953-446b-b99f-a68784b9de13 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-03-09 14:02:51.683 1 INFO cinder.rpc [None req-b2ef536d-7953-446b-b99f-a68784b9de13 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-03-09 14:02:51.746 1 WARNING oslo_config.cfg [None req-b2ef536d-7953-446b-b99f-a68784b9de13 - - - - - -] 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. 2026-03-09 14:02:51.747 1 WARNING oslo_config.cfg [None req-b2ef536d-7953-446b-b99f-a68784b9de13 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-03-09 14:02:51.758 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-03-09 14:02:51.788 1 INFO cinder.backup.manager [None req-7e4e5545-5942-424f-9ff5-c16d4ffb8907 - - - - - -] Cleaning up incomplete backup operations. 2026-03-09 14:02:51.845 1 INFO cinder.keymgr.migration [None req-4134cab1-ba62-4e19-9b9d-17c960a7ffa9 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.