vde_cryptcab -version (return code: 0)
vde_cryptcab: Verbosity: 1
vde_cryptcab: Using ssh key exchange for authentication
vde_cryptcab: Caught signal, exiting.
vde_cryptcab --help (return code: 1)
Usage: vde_cryptcab [-s socketname] [-c [remoteuser@]remotehost[:remoteport]] [-p localport] [-P pre-shared/key/path] [-d] [-x] [-v]