- Use natpt_ip6_forward() instead of call ip6_forward() directly in   order to need to record source and destination address for ip6_forward().   This code comes from ip_input.c, natpt related part.
- Use natpt_ip6_forward() instead of call ip6_forward() directly in
  order to need to record source and destination address for ip6_forward().
  This code comes from ip_input.c, natpt related part.

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