r0 = epoll_create1(0x0)
r1 = eventfd(0x0)
r2 = epoll_create1(0x0)
epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000040))
epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000080))
write(r1, &(0x7f0000000000)="6668ac6a132a5a1c", 0x8)