pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000001340)) r3 = epoll_create1(0x0) dup2(r3, r0)