code: def set_nsxcontroller_ip(self, **kwargs):
          
          name = kwargs.pop('name')
          ip_addr = str((kwargs.pop('ip_addr', None)))
          nsxipaddress = ip_interface(unicode(ip_addr))
          if nsxipaddress.version != 4:
              raise ValueError('NSX Controller ip must be IPV4')
  
          ip_args = dict(name=name, address=ip_addr)
          method_name = 'nsx_controller_connection_addr_address'
          method_class = self._brocade_tunnels
          nsxcontroller_attr = getattr(method_class, method_name)
          config = nsxcontroller_attr(**ip_args)
          output = self._callback(config)
          return output
docs: Set nsx-controller IP
  
          Args:
              IP (str): IPV4 address.
              callback (function): A function executed upon completion of the
                   method.
  
          Returns:
             Return value of `callback`.
  
          Raises:
              None