const {Pcap, findalldevs} = require('iso2-stream');
var devs = findalldevs(); //find all netdevs from pc
var netDev = new Pcap(devs[0].name); //create new netDev by devs[0].name
netDev.listen("arp");         //listen devs[0] and filter arp
netDev.on("data", (data) => {
    console.log(data);
    netDev.send("10:12:13:14:15:16", "02:03:04:05:06:07", Buffer.from(sendData));  //send packet from 02:03:04:05:06:07 => 10:12:13:14:15:16
    netDev.end();  //close the netDev
})

var netDev = new Pcap(devName);