the latest check in nd6_setdefaultiface() was too strong; we should allow the case of ifindex = 0 for 'ndp -I delete'.
the latest check in nd6_setdefaultiface() was too strong; we should allow
the case of ifindex = 0 for 'ndp -I delete'.

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