def METHOD_NAME(self, message_num, payload):
    if message_num in [6, 52]:
        return  # TODO consume these in authenticateBackend
    if message_num == 98:
        # looking for RFC 4254 - 6.10. Returning Exit Status
        pointer = 4  # ignore recipient_channel
        leng, message = get_string(payload[pointer:])
        if message == b"exit-status":
            pointer += leng + 1  # also boolean ignored
            exit_status = get_int(payload[pointer:])
            log.msg(f"exitCode: {exit_status}")
    if transport.SSHClientTransport.isEncrypted(self, "both"):
        self.packet_buffer(message_num, payload)
    else:
        transport.SSHClientTransport.METHOD_NAME(self, message_num, payload)