https://www.haproxy.org/
https://www.haproxy.org/download/3.1/src/CHANGELOG
https://www.mail-archive.com/haproxy%40formilux.org/msg45281.html
https://www.mail-archive.com/haproxy%40formilux.org/msg45280.html
http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=c725db17e8416ffb3c1537aea756356228ce5e3c
http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=d636e515453320c6e122c313c661a8ac7d387c7f
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