code: func (m *Message) Priority() syslog.Priority {
  	switch m.Message.Source {
  	case "stdout":
  		return syslog.LOG_USER | syslog.LOG_INFO
  	case "stderr":
  		return syslog.LOG_USER | syslog.LOG_ERR
  	default:
  		return syslog.LOG_DAEMON | syslog.LOG_INFO
  	}
  }
docs: // Priority returns a syslog.Priority based on the message source