do not try to process ip6_inputopts unless it's really an IPv6 packet. in response to a report from Noriaki Takamiya <takamiya@po.ntts.co.jp>
do not try to process ip6_inputopts unless it's really an IPv6 packet.
in response to a report from Noriaki Takamiya <takamiya@po.ntts.co.jp>

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