code: function onChildRestart (monitor, data) {
        haibu.emit(['drone', 'stop'], 'info', {
          process: result.data,
          pkg: result.pkg
        });
        
        haibu.emit(['drone', 'start'], 'info', {
          process: data,
          pkg: result.pkg
        });
      }
docs: When the drone stops, update the result for monitoring software