The bit that says "before response.end() was called or able to flush"
doesn't apply to incoming streams.
Fixes #6359.
`function () { }`
-Indicates that the underlaying connection was terminated before
-`response.end()` was called or able to flush.
-
-Just like `'end'`, this event occurs only once per response. See
-[http.ServerResponse][]'s `'close'` event for more information.
+Indicates that the underlaying connection was closed.
+Just like `'end'`, this event occurs only once per response.
### message.httpVersion