dangling HTTPS socket when ALPN negotiation fails
(main $%=)$ bin/dig/dig +https
;; Connection to 10.10.10.1#443(10.10.10.1) for . failed: ALPN for HTTP/2 failed.
;; Connection to 10.10.10.1#443(10.10.10.1) for . failed: ALPN for HTTP/2 failed.
;; Connection to 10.10.10.1#443(10.10.10.1) for . failed: ALPN for HTTP/2 failed.