Getting odd error. about bittorrent-protocol HOT 2 CLOSED

//192.168.1.101:9879
var dhtPort = 20001
var serverPort = 9879

var Protocol = require('bittorrent-protocol')
var net = require('net')

net.createServer(function(socket) {
    var wire = new Protocol()

    // pipe to and from the protocol
    socket.pipe(wire).pipe(socket)

    wire.on('handshake', function(infoHash, peerId) {
    console.log('handshake')
    })

    wire.on('unchoke', function() {
        console.log('peer is no longer choking us: ' + wire.peerChoking)
    })
}).listen(serverPort);

bittorrent-protocol [7cfa097b] new wire +0ms
bittorrent-protocol [7cfa097b] Error: wire not speaking BitTorrent protocol (?!??♂??→?↨ ????§????m▬.¶??E;↨?&?♠?       "?_♫z??R????DU?]???h???♣►☼?♠??
.?}??$?@?Zv?8???V???_??IJ???§↑?5?u'?-{↑???y??.B????`??♣?e???kF2???l???k?c??k??L[?- A?1>??;6??2?[♂5?
?e??SC?5?∟?☺??n?
B?Fb????) +204ms
bittorrent-protocol [7cfa097b] end +4ms
bittorrent-protocol [7cfa097b] got uninterested +0ms
bittorrent-protocol [7cfa097b] got choke +1ms
bittorrent-protocol [e8e24ae6] new wire +48s
&It?↔F↓??B?|??I?↔?♂?n#U?R)?u?↨?F|? ) +2mse not speaking BitTorrent protocol (?????
bittorrent-protocol [e8e24ae6] end +1ms
bittorrent-protocol [e8e24ae6] got uninterested +0ms
bittorrent-protocol [e8e24ae6] got choke +1ms
``