skb = skb_recv_datagram(sk, flags, 1, &err);
if (likely(err == -EAGAIN)) {
log_debug("No more skbs in the queue, returning...\n");
skb = skb_recv_datagram(sk, flags, 1, &err);
if (likely(err == -EAGAIN)) {
log_debug("No more skbs in the queue, returning...\n");