Fssh_kex_exchange_identification: Connection closed by remote host (anongit@git.FreeBSD.org)

From: John Kennedy <warlock_at_phouka.net>
Date: Mon, 04 Jul 2022 15:19:07 UTC
  Sometime this AM (> 07:10:39 PST8PDT, < 08:15 2022/7/4) the anonymous git
repo seems to have developed an issue:

	# git remote -v
	freebsd anongit@git.FreeBSD.org:src.git (fetch)
	freebsd anongit@git.FreeBSD.org:src.git (push)
	# git pull -v
	Fssh_kex_exchange_identification: Connection closed by remote host
	Connection closed by 149.20.1.203 port 22
	fatal: Could not read from remote repository.

	Please make sure you have the correct access rights
	and the repository exists.