Symbol: NGM_L2TP_ACK_FAILURE
sys/netgraph/ng_l2tp.c
1168
NG_MKMESSAGE(msg, NGM_L2TP_COOKIE, NGM_L2TP_ACK_FAILURE, 0, M_NOWAIT);
sys/netgraph/ng_l2tp.c
304
NGM_L2TP_ACK_FAILURE,