more comments on reject route for ::0.0.0.0/96, and fec0::/10.
more comments on reject route for ::0.0.0.0/96, and fec0::/10.

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