task.get())
task.submit(start)
task.submit(send)
task.submit(sniff)
task.submit(1)         # pkt = sr1(IP(dst="127.0.0.1")/TCP(dport=20))
task.submit(rdpcap)
task.submit(2)         # UDP_PACKETS.show()
task.submit(UDP_PACKETS[0])
task.submit(TCP_PACKETS[1][TCP])
UDP_PACKETS[0][IP].src='127.0.0.1'
task.submit(UDP_PACKETS[0])
[p[IP][TCP] for p in TCP_PACKETS]
task.submit('echo')   # [pkt[Raw].load for pkt in TCP_PACKETS if Raw in pkt]
[pkt[Raw].load for pkt in TCP_PACKETS if Raw in pkt][3].decode('utf-8')[5:9] # = echo
task.submit(ICMP_PACKETS[1][ICMP].chksum)
task.submit(3)         # pkt = IP(dst='127.0.0.1')/ICMP(type="echo-request")
pkt = IP(dst='127.127.127.127')/UDP(dport=5000)
task.submit(pkt)
dns_query = IP(dst="127.2.3.4")/UDP(dport=53)/DNS(rd=1,qd=DNSQR(qname="elveslove.santa"))
task.submit(dns_query)
ARP_PACKETS[1].op='is-at'
ARP_PACKETS[1].hwsrc='00:13:46:0b:22:ba'
ARP_PACKETS[1].hwdst='00:16:ce:6e:8b:24'
task.submit(ARP_PACKETS)