[simendsjo]

I wrote more details in a ServerFault answer before contacting Ars Technica: https://serverfault.com/a/1132383/45588

[matsemann]

That's some fun debugging to figure out, heh, a real head scratcher. Nice find!

[nocoiner]

I was baffled at what was happening after reading the article. Your TL;DR was perfect, and explained it very well in a single short paragraph. Thank you.