vring->kick_fd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
virtio_log_debug (vif, "vring %u size %u call_fd %d kick_fd %d", idx,
vring->size, vring->call_fd, vring->kick_fd);
vring->kick_fd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
virtio_log_debug (vif, "vring %u size %u call_fd %d kick_fd %d", idx,
vring->size, vring->call_fd, vring->kick_fd);