def METHOD_NAME(self):
    cls = self.__class__
    cls.setUpClassDevices()
    cls.sendPacket(cls.inner_src_ip, cls.inner_dst_ip)
    self.assertEqual(len(cls.packet_cap1), 0)
    cls.ebpf_man.add_dl_entry(cls.inner_dst_ip, cls.gtp_pkt_dst, cls.gtp_tunnel_id, cls.imsi)
    cls.sendPacket(cls.inner_src_ip, cls.inner_dst_ip)
    self.assertEqual(cls.count_udp_packet(), 1)
    cls.sendPacket(cls.inner_src_ip, cls.inner_dst_ip)
    self.assertEqual(cls.count_udp_packet(), 2)
    cls.ebpf_man.del_dl_entry(cls.inner_dst_ip)
    cls.ebpf_man.print_dl_map()
    cls.sendPacket(cls.inner_src_ip, cls.inner_dst_ip)
    self.assertEqual(cls.count_udp_packet(), 2)
    cls.tearDownClassDevices()