* will quit if Mac machines are not in promiscuous
*/
private void checkBPFforMac() {
if (!LibUtilities.isMac()) return; //return if not a mac
DevBPF devbpf = new DevBPF();
isMacAndPromiscuousModeFailed = !devbpf.isPromiscuous;
// if(!devbpf.isPromiscuous) {
// System.err.println(ErrorMessages.MAC_NOT_PROMISCUOUS);
// System.exit(0);