maybe we should just remove the 2nd arg of ip6_clearpktopts(). (inconsistency do seem to happen - try "ping6 ::1 ::1 ::1" on freebsd2)
(XXX please check >jinmei) avoid couple of alignment-unsafe casts.
for non-MCLGET clusters
NOTICE: If you want to cleanup old symlinks, perform "make TARGET=netbsd clean", in the top directory. Of course, you should select TARGET name for proper one.
P2P and loopback I/F, regardless of the given prefixlen. (it's enabled only when you define "USE_FIXED_P2P_PLEN" macro)