答え1
次のオプションを使用してデバッグを有効にしてみてください。
-d|--debug : Set debug level. Repeat from 1 to 6 times to increase the detail of messages sent to the log file and/or syslog (if configured). Overrides config file setting.
-v|--verbose : Set verbose level. Repeat from 1 to 3 times to increase the detail of messages sent to stdout and stderr. Overrides config file setting.