You're being hammered with some UDP flood (DoS attack)
Note some packets are fragmented, only first fragment shows udp port numbers, later fragments don't have header start so will only show protocol number (=17=udp)
You're being hammered with some UDP flood (DoS attack)
Note some packets are fragmented, only first fragment shows udp port numbers, later fragments don't have header start so will only show protocol number (=17=udp)