+var (
+ remoteAddr = flag.String("remote", "", "Remote server address")
+ bindAddr = flag.String("bind", "", "Bind to address")
+ ifaceName = flag.String("iface", "tap0", "TAP network interface")
+ keyHex = flag.String("key", "", "Authentication key")
+ mtu = flag.Int("mtu", 1500, "MTU")
+ timeout = flag.Int("timeout", 60, "Timeout seconds")
+ verbose = flag.Bool("v", false, "Increase verbosity")
+)
+