do not delete 'ours route' in using 'ndp -c'. for freebsd only.
do not delete 'ours route' in using 'ndp -c'.
for freebsd only.

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