r0 = epoll_create(0x8000) r1 = socket$inet_udp(0x2, 0x2, 0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000000)={0x40002004}) epoll_ctl$EPOLL_CTL_MOD(r0, 0x3, r1, &(0x7f00000000c0)={0x20000000}) epoll_wait(r0, &(0x7f0000000080)=[{}], 0x1, 0x0)