SSH_TUNMODE_POINTOPOINT
#define SSH_TUNMODE_DEFAULT SSH_TUNMODE_POINTOPOINT
#define SSH_TUNMODE_YES (SSH_TUNMODE_POINTOPOINT|SSH_TUNMODE_ETHERNET)
{ "point-to-point", SSH_TUNMODE_POINTOPOINT },
{ SSH_TUNMODE_POINTOPOINT, "point-to-point" },
case SSH_TUNMODE_POINTOPOINT: