:return: None

def populate(self, priority, address, rtr, data):
        """
        :return: None
        """
        assert isinstance(data, bytes)
        self.needs_high_priority(priority)
        self.needs_no_rtr(rtr)
        self.needs_data(data, 4)
        self.set_attributes(priority, address, rtr)
        self.relay_channels = self.byte_to_channels(data)
        (self.delay_time,) = struct.unpack('>L', bytes([0]) + data[1:])