+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-03 03:01:49.568 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-03 03:01:49.856 1 INFO cinder.rpc [None req-50ec5099-3b72-47f0-bbd7-c200872651e7 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-03 03:01:49.858 1 INFO cinder.rpc [None req-50ec5099-3b72-47f0-bbd7-c200872651e7 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-03 03:01:49.860 1 INFO cinder.rpc [None req-50ec5099-3b72-47f0-bbd7-c200872651e7 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-03 03:01:49.861 1 INFO cinder.rpc [None req-50ec5099-3b72-47f0-bbd7-c200872651e7 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-03 03:01:49.863 1 INFO cinder.rpc [None req-50ec5099-3b72-47f0-bbd7-c200872651e7 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-03 03:01:49.865 1 INFO cinder.rpc [None req-50ec5099-3b72-47f0-bbd7-c200872651e7 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-03 03:01:49.935 1 WARNING oslo_config.cfg [None req-50ec5099-3b72-47f0-bbd7-c200872651e7 - - - - - -] 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.
2026-09-03 03:01:49.936 1 WARNING oslo_config.cfg [None req-50ec5099-3b72-47f0-bbd7-c200872651e7 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-03 03:01:49.948 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.25)
2026-09-03 03:01:49.973 1 INFO cinder.backup.manager [None req-8dcd057e-5da1-4f0f-814d-3499e3590b0d - - - - - -] Cleaning up incomplete backup operations.
2026-09-03 03:01:50.037 1 INFO cinder.keymgr.migration [None req-71b43634-88a4-4dd7-9fab-3ce4dc6bdc19 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.