epoll_ctl(29, EPOLL_CTL_ADD, 38, {EPOLLIN|EPOLLERR|EPOLLHUP, {u32=3497680240, u64=93870007934320}}) = 0
write(37, "\1\0\0\0\0\0\0\0", 8)        = 8
futex(0x555fd0788d00, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x555fd0788d50, FUTEX_WAIT_PRIVATE, 0, NULL