Multiple proxies with browserSync in Gulp

var browserSync = require("browser-sync");

var bs1 = browserSync.create("proxy1");
var bs2 = browserSync.create("proxy2");

bs1.init({
    proxy: "http://mylocal.dev",
    port: 3010,
    ui: {
        port: 3011
    }
});
bs2.init({
    proxy: "http://mylocal.dev",
    port: 3012,
    ui: {
        port: 3013
    }
});