set_reply_hdr(u2_eth_packet_t *reply_pkt, u2_eth_packet_t const *cmd_pkt)
{
reply_pkt->ehdr.dst = cmd_pkt->ehdr.src;
+ reply_pkt->ehdr.src = *ethernet_mac_addr();
reply_pkt->ehdr.ethertype = U2_ETHERTYPE;
reply_pkt->thdr.flags = 0;
reply_pkt->thdr.fifo_status = 0; // written by protocol engine