feedback on access log showing two connections

[patch-work]

> git clone https://github.com/allinurl/gwsocket.git
> cd gwsocket
> autoreconf -fiv
> ./configure
> make
> doas dmesg -w | ./gwsocket --port 4000 --access-log=/dev/stdout
127.0.0.1 - - [27/Jun/2023:23:33:05 +0200] "GET / HTTP/1.1" 400 651 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36" 0
127.0.0.1 - - [27/Jun/2023:23:33:05 +0200] "GET / HTTP/1.1" 200 651 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36" 0
127.0.0.1 - - [27/Jun/2023:23:33:13 +0200] "GET / HTTP/1.1" 400 651 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36" 0
127.0.0.1 - - [27/Jun/2023:23:33:13 +0200] "GET / HTTP/1.1" 200 651 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36" 0

For each browser connection, the server logs two connections, where the first one is a rejection (400).

This is Fedora Linux 38.