retval = send(dev->sockfd, buffer, size, 0);
VLOG_DBG("%s: send(%x, %d) = %d", netdev_get_name(netdev_), buffer, size, retval);
if (retval >= 0) {
retval = send(dev->sockfd, buffer, size, 0);
VLOG_DBG("%s: send(%x, %d) = %d", netdev_get_name(netdev_), buffer, size, retval);
if (retval >= 0) {