Go Function to generate a random MAC address.

Gomac

func GenerateMac() (net.HardwareAddr) {
        buf := make([]byte, 6)
        var mac net.HardwareAddr

        _, err  := rand.Read(buf)
        if err != nil {}

        // Set the local bit 
        buf[0] |= 2

        mac = append(mac, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5])

        return mac 
}