valve.py 文件源码

def ipv6_link_mcast_from_ucast(ucast):
        link_mcast_prefix = ipaddr.IPv6Network('ff02::1:ff00:0/104')
        mcast_bytes = ipaddr.Bytes(
            link_mcast_prefix.packed[:13] + ucast.packed[-3:])
        link_mcast = ipaddr.IPv6Address(mcast_bytes)
        return link_mcast