r0 = epoll_create(0x6)
r1 = epoll_create(0x1)
r2 = epoll_create(0x6)
r3 = epoll_create(0x6)
r4 = epoll_create(0x1)
epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000100))
r5 = dup3(r3, r0, 0x0)
epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r4, &(0x7f0000000040))
epoll_ctl$EPOLL_CTL_ADD(r4, 0x1, r2, &(0x7f00000000c0))
epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000080))