use in6_ifawithifp() and in6_selecthlim() for DHAAD reply packet
use in6_ifawithifp() and in6_selecthlim() for DHAAD reply packet

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame