ERR_INVALID_ARGUMENT as HAProxy upstream about naiveproxy HOT 9 CLOSED

global
    log stdout format raw local0 info
    maxconn 100000
    tune.h2.initial-window-size 1048576

defaults
    log global
    mode http

    option httplog
    option redispatch
    option forwardfor
    option http-keep-alive
    option persist
    http-reuse always

    timeout connect 4s
    timeout queue 5s
    timeout client 30s
    timeout server 30s
    timeout tunnel 1h
    timeout http-request 10s
    timeout http-keep-alive 2s
    timeout client-fin 1s
    timeout server-fin 1s

userlist users
    user name insecure-password pass

frontend besides-trojan
    bind *:80

    option http-use-proxy-header
    use_backend naive if { http_auth(users) }

    use_backend v2ray_vmess_h2 if { path -i -m beg /filesync/v2ray/h2/vmess }

    default_backend sb

backend naive
    server naive naive:1080

backend v2ray_vmess_h2
    server v2ray v2ray:280 proto h2

backend sb
    server sb sb:80

$ all_proxy='socks5h://127.0.0.1:8999' curl -v http://gstatic.com/generate_204
* Uses proxy env variable all_proxy == 'socks5h://127.0.0.1:8999'
*   Trying 127.0.0.1...
* TCP_NODELAY set
* SOCKS5 communication to gstatic.com:80
* SOCKS5 request granted.
* Connected to 127.0.0.1 (127.0.0.1) port 8999 (#0)
> GET /generate_204 HTTP/1.1
> Host: gstatic.com
> User-Agent: curl/7.64.1
> Accept: */*
>
* Empty reply from server
* Connection #0 to host 127.0.0.1 left intact
curl: (52) Empty reply from server
* Closing connection 0