def attrs(self):
        res={}
        for k,v in self.h.iteritems():
            v = list(v)
            if k in ('SrcIPStart', 'SrcIPEnd', 'DstIPStart', 'DstIPEnd'):
                # Convert IPv4 to IPv6
                ip = int(v[0])
                ip = str(0xffff00000000 + ip)
                res[k] = [ip]
            else:
                res[k] = v
        return res