Sets the TCP auxiliary port.

        :param aux: console auxiliary port (integer)

def set_aux(self, aux):
        """
        Sets the TCP auxiliary port.

        :param aux: console auxiliary port (integer)
        """

        self.aux = aux
        yield from self._hypervisor.send('vm set_aux_tcp_port "{name}" {aux}'.format(name=self._name, aux=aux))