if err := tv.Instance.VerifyHostKey(pubKey, client); err != cloud.ErrNotImplemented || tv.Secret == "" {
// If the wrapped instance indicates it has a way to
// verify the key, return that decision.
if err := tv.Instance.VerifyHostKey(pubKey, client); err != cloud.ErrNotImplemented || tv.Secret == "" {
// If the wrapped instance indicates it has a way to
// verify the key, return that decision.