def METHOD_NAME(self):
    (is_valid, t) = self.get_tlv_field(self.eeprom_data, self._TLV_CODE_MAC_BASE)
    if not is_valid or t[1] != 6:
        return super(TlvInfoDecoder, self).switchaddrstr(e)
    return ":".join(["{:02x}".format(T) for T in t[2]]).upper()