+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-16 12:05:42.441 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-16 12:05:42.788 1 INFO cinder.rpc [None req-103a0187-9037-40a1-b8b7-2b9c2623067b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-16 12:05:42.791 1 INFO cinder.rpc [None req-103a0187-9037-40a1-b8b7-2b9c2623067b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-16 12:05:42.793 1 INFO cinder.rpc [None req-103a0187-9037-40a1-b8b7-2b9c2623067b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-16 12:05:42.795 1 INFO cinder.rpc [None req-103a0187-9037-40a1-b8b7-2b9c2623067b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-16 12:05:42.798 1 INFO cinder.rpc [None req-103a0187-9037-40a1-b8b7-2b9c2623067b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-16 12:05:42.802 1 INFO cinder.rpc [None req-103a0187-9037-40a1-b8b7-2b9c2623067b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-16 12:05:42.873 1 WARNING oslo_config.cfg [None req-103a0187-9037-40a1-b8b7-2b9c2623067b - - - - - -] 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.
2026-04-16 12:05:42.875 1 WARNING oslo_config.cfg [None req-103a0187-9037-40a1-b8b7-2b9c2623067b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-16 12:05:42.886 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-16 12:05:42.912 1 INFO cinder.backup.manager [None req-ea63ae60-f2e0-49f8-8fd2-b679089c2db3 - - - - - -] Cleaning up incomplete backup operations.
2026-04-16 12:05:42.974 1 INFO cinder.keymgr.migration [None req-b2ab377d-af6e-4269-b06d-e3e16b4835b3 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.