Blocks #41552 **Symfony version(s) affected**: 4.4-dev **Description** Making a request with `NativeHttpClient` on PHP 8.1 will yield a `TransportException` with the following error message: > fopen(): Invalid IP Address: 0 When I switch to `CurlHttpClient`, the error is gone. **How to reproduce** ```php $client = new NativeHttpClient(); $client->request('GET', 'https://www.symfony.com')->getInfo(); ```