Merge pull request #2012 from sm2017/patch-1

Add `failed to open stream` to ConnectException

src/Handler/StreamHandler.php

@@ -60,6 +60,7 @@ public function __invoke(RequestInterface $request, array $options)
             if (strpos($message, 'getaddrinfo') // DNS lookup failed
                 || strpos($message, 'Connection refused')
                 || strpos($message, "couldn't connect to host") // error on HHVM
+                || strpos($message, "connection attempt failed")
             ) {
                 $e = new ConnectException($e->getMessage(), $request, $e);
             }