nginx 同时配置了 quic <http/3> 和 ssl 时，HTTP/3 并没有生效，浏览器不能使用 HTTP/3 连接服务器，自动回落到 HTTP/2，使用 curl --http3 强制通过 HTTP/3 连接，得到以下错误。
- curl: (55) ngtcp2_conn_writev_stream returned error: ERR_DRAINING
- server {
- listen 443 ssl;
- listen 443 quic;
- listen [::]:443 ssl;
- listen [::]:443 quic;
- http3 on;
- http2 on;
- ......
- }
- server {
- listen 443 ssl reuseport;
- listen 443 quic reuseport;
- listen [::]:443 ssl reuseport;
- listen [::]:443 quic reuseport;
- http3 on;
- http2 on;
- ......
- }
- nginx: [emerg] duplicate listen options for 0.0.0.0:443 in /server/wuxiancheng.cn/nginx/conf/nginx.conf:78
- nginx: [emerg] duplicate listen options for [::]:443 in /server/wuxiancheng.cn/nginx/conf/nginx.conf:80
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