r0 = epoll_create(0x8000)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
shutdown(r1, 0x0)
ioctl$int_in(r1, 0x5421, &(0x7f0000000100)=0x5)
epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000000))