caught the problem caused by ssh.c rev 1.507 wherein Host and Hostname were
swapped. Prompted by beck@
OpenBSD-Regress-ID: d218500ae6aca4c479c27318fb5b09ebc00f7aae
eliminate explicit specification of protocol in tests and
loops over protocol. We only support SSHv2 now.
Upstream-Regress-ID: 0082838a9b8a382b7ee9cbf0c1b9db727784fadd