>I have upgraded my -current system.
>Now, when I ssh to the -current systen I get:
>/home/rmk> ssh roothog
>ssh_exchange_identification: Connection closed by remote host
>/home/rmk> ssh -2 roothog
>ssh_exchange_identification: Connection closed by remote host

	i guess you don't have "sshd" uid/gid on the machine "roothog",
	and/or /var/chroot/sshd directory does not exist.
	they are required on upgrade.
	check /var/log/messages on roothog.

itojun