    # File lib/fog/aws/requests/compute/describe_network_interface_attribute.rb, line 44
            def describe_network_interface_attribute(network_interface_id, attribute)
              response = Excon::Response.new
              if self.data[:network_interfaces][network_interface_id]

                response.status = 200
                response.body = {
                  'requestId'          => Fog::AWS::Mock.request_id,
                  'networkInterfaceId' => network_interface_id
                }
                case attribute
                when 'description', 'groupSet', 'sourceDestCheck', 'attachment'
                  response.body[attribute] = self.data[:network_interfaces][network_interface_id][attribute]
                else
                  raise Fog::Compute::AWS::Error.new("Illegal attribute '#{attribute}' specified")
                end
                response
              else
                raise Fog::Compute::AWS::NotFound.new("The network interface '#{network_interface_id}' does not exist")
              end
            end