ICMP6_DST_UNREACH_NOTNEIGHBOR
case ICMP6_DST_UNREACH_NOTNEIGHBOR:
{ ICMP6_DST_UNREACH_NOTNEIGHBOR, "neighbour" },
ICMP6_DST_UNREACH_NOTNEIGHBOR, /* 5: ICMP_UNREACH_SRCFAIL */
#ifndef ICMP6_DST_UNREACH_NOTNEIGHBOR
case ICMP6_DST_UNREACH_NOTNEIGHBOR: