Set defaults

        If a message has different than low priority or NO_RTR set,
        then this method needs override in subclass

        :return: None

def set_defaults(self, address):
        """
        Set defaults

        If a message has different than low priority or NO_RTR set,
        then this method needs override in subclass

        :return: None
        """
        if address is not None:
            self.set_address(address)
        self.set_low_priority()
        self.set_no_rtr()