r0 = epoll_create(0x6)
r1 = epoll_create1(0x0)
r2 = socket$inet_tcp(0x2, 0x1, 0x0)
dup3(r2, r1, 0x0)
r3 = epoll_create(0x6)
epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r1, &(0x7f0000000200))
epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r2, &(0x7f0000000080))
epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r3, &(0x7f0000000240))