[root@ou812 ~]# tcpdump -n -i any udp port 31415 -t
tcpdump: WARNING: Promiscuous mode not supported on the "any" device
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on any, link-type LINUX_SLL (Linux cooked), capture size 96 bytes
IP 10.9.185.217.45403 > 10.2.73.86.31415: UDP, length 30
IP 10.2.73.86.31415 > 10.9.185.217.45403: UDP, length 30
IP 10.9.185.217.42778 > 10.2.73.86.31415: UDP, length 30
IP 10.2.73.86.31415 > 10.9.185.217.42778: UDP, length 30
IP 10.9.185.217.48978 > 10.2.73.86.31415: UDP, length 30
IP 10.9.185.217.34333 > 10.2.73.86.31415: UDP, length 30
IP 10.9.185.217.44033 > 10.2.73.86.31415: UDP, length 30
IP 10.9.185.217.51550 > 10.2.73.86.31415: UDP, length 30
IP 10.9.185.217.55578 > 10.2.73.86.31415: UDP, length 30
IP 10.9.185.217.37268 > 10.2.73.86.31415: UDP, length 30
IP 10.2.73.86.31415 > 10.9.185.217.37268: UDP, length 30
IP 10.9.185.217.38770 > 10.2.73.86.31415: UDP, length 30
IP 10.2.73.86.31415 > 10.9.185.217.38770: UDP, length 30
IP 10.9.185.220.57911 > 10.2.73.86.31415: UDP, length 30
IP 10.2.73.86.31415 > 10.9.185.220.57911: UDP, length 30
IP 10.9.185.220.54614 > 10.2.73.86.31415: UDP, length 30
IP 10.2.73.86.31415 > 10.9.185.220.54614: UDP, length 30
IP 10.9.185.219.34762 > 10.2.73.86.31415: UDP, length 30
IP 10.2.73.86.31415 > 10.9.185.219.34762: UDP, length 30
IP 10.9.185.219.38360 > 10.2.73.86.31415: UDP, length 30
IP 10.2.73.86.31415 > 10.9.185.219.38360: UDP, length 30
IP 10.9.185.219.52608 > 10.2.73.86.31415: UDP, length 30
IP 10.2.73.86.31415 > 10.9.185.219.52608: UDP, length 30
IP 10.9.185.219.34009 > 10.2.73.86.31415: UDP, length 30
IP 10.2.73.86.31415 > 10.9.185.219.34009: UDP, length 30