cleanup an obsoleted fragment; removed old source address selection rule for NS (which had already been disalbed by '#if 0')
cleanup an obsoleted fragment; removed old source address selection
rule for NS (which had already been disalbed by '#if 0')

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