+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-14 23:40:52.680 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-14 23:40:52.929 1 INFO cinder.rpc [None req-4e38217e-4c7b-42db-9594-1c9759839ee4 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-14 23:40:52.932 1 INFO cinder.rpc [None req-4e38217e-4c7b-42db-9594-1c9759839ee4 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-08-14 23:40:52.940 1 INFO cinder.rpc [None req-4e38217e-4c7b-42db-9594-1c9759839ee4 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-14 23:40:52.945 1 INFO cinder.rpc [None req-4e38217e-4c7b-42db-9594-1c9759839ee4 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-14 23:40:52.949 1 INFO cinder.rpc [None req-4e38217e-4c7b-42db-9594-1c9759839ee4 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-14 23:40:52.953 1 INFO cinder.rpc [None req-4e38217e-4c7b-42db-9594-1c9759839ee4 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-14 23:40:53.029 1 WARNING oslo_config.cfg [None req-4e38217e-4c7b-42db-9594-1c9759839ee4 - - - - - -] 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.
2026-08-14 23:40:53.030 1 WARNING oslo_config.cfg [None req-4e38217e-4c7b-42db-9594-1c9759839ee4 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-14 23:40:53.046 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-08-14 23:40:53.067 1 INFO cinder.backup.manager [None req-821387b6-1ae1-45ee-ab25-9b6d19c04a49 - - - - - -] Cleaning up incomplete backup operations.
2026-08-14 23:40:53.252 1 INFO cinder.keymgr.migration [None req-95654caa-1786-414d-9762-3a39afab96c5 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.