+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-18 03:55:25.664 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-18 03:55:25.940 1 INFO cinder.rpc [None req-9812fce4-675f-471b-99bf-96ad8b8729ee - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-18 03:55:25.943 1 INFO cinder.rpc [None req-9812fce4-675f-471b-99bf-96ad8b8729ee - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-18 03:55:25.945 1 INFO cinder.rpc [None req-9812fce4-675f-471b-99bf-96ad8b8729ee - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-18 03:55:25.947 1 INFO cinder.rpc [None req-9812fce4-675f-471b-99bf-96ad8b8729ee - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-18 03:55:25.950 1 INFO cinder.rpc [None req-9812fce4-675f-471b-99bf-96ad8b8729ee - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-18 03:55:25.953 1 INFO cinder.rpc [None req-9812fce4-675f-471b-99bf-96ad8b8729ee - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-18 03:55:26.017 1 WARNING oslo_config.cfg [None req-9812fce4-675f-471b-99bf-96ad8b8729ee - - - - - -] 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. 2026-04-18 03:55:26.018 1 WARNING oslo_config.cfg [None req-9812fce4-675f-471b-99bf-96ad8b8729ee - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-18 03:55:26.027 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-18 03:55:26.052 1 INFO cinder.backup.manager [None req-929ebdda-1e4d-4ef7-8f1c-9cb37f0018b0 - - - - - -] Cleaning up incomplete backup operations. 2026-04-18 03:55:26.116 1 INFO cinder.keymgr.migration [None req-23cc8971-417b-4f5e-a480-28aeab75d875 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.