code: func NewSyslogOutput(network, address, tag string) Output {
  	return NewSyslogOutputFacility(network, address, tag, syslog.LOG_USER)
  }
docs: // NewSyslogOutput returns JSONOutputs in a LevelOutput with writers set to syslog
  // with the proper priority added to a LOG_USER facility.
  // If network and address are empty, Dial will connect to the local syslog server.