Set Nsx Controller pot on the switch

        Args:
            port (int): 1 to 65535.
            callback (function): A function executed upon completion of the
                 method.

        Returns:
           Return value of `callback`.

        Raises:
            None

def set_nsxcontroller_port(self, **kwargs):
        """
        Set Nsx Controller pot on the switch

        Args:
            port (int): 1 to 65535.
            callback (function): A function executed upon completion of the
                 method.

        Returns:
           Return value of `callback`.

        Raises:
            None
        """
        name = kwargs.pop('name')
        port = str(kwargs.pop('port'))
        port_args = dict(name=name, port=port)
        method_name = 'nsx_controller_connection_addr_port'
        method_class = self._brocade_tunnels
        nsxcontroller_attr = getattr(method_class, method_name)
        config = nsxcontroller_attr(**port_args)
        output = self._callback(config)
        return output