# File lib/fog/aws/requests/compute/detach_network_interface.rb, line 31
        def detach_network_interface(attachment_id, force = false)
          response = Excon::Response.new
          nic_id = self.data[:network_interfaces].select { |k,v| v['attachment']['attachmentId'] == attachment_id} .first.first
          if nic_id
            self.data[:network_interfaces][nic_id]["attachment"] = {}
            response.status = 200
            response.body = {
              'requestId' => Fog::AWS::Mock.request_id,
              'return'    => true
            }
            response
          else
            raise Fog::Compute::AWS::NotFound.new("The network interface '#{network_interface_id}' does not exist")
          end
        end