KTR_IF_EMX
#if !defined(KTR_IF_EMX)
KTR_INFO(KTR_IF_EMX, if_emx, intr_beg, 0, "intr begin");
KTR_INFO(KTR_IF_EMX, if_emx, intr_end, 1, "intr end");
KTR_INFO(KTR_IF_EMX, if_emx, pkt_receive, 4, "rx packet");
KTR_INFO(KTR_IF_EMX, if_emx, pkt_txqueue, 5, "tx packet");
KTR_INFO(KTR_IF_EMX, if_emx, pkt_txclean, 6, "tx clean");