-n, --tunnel=TUNNEL Seelect default tunnel driver.\n\
-U, --setuid=USER Set uid to USER after initialization.\n\
-G, --setgid=GROUP Set gid to GROUP after initialization.\n\
-n, --tunnel=TUNNEL Seelect default tunnel driver.\n\
-U, --setuid=USER Set uid to USER after initialization.\n\
-G, --setgid=GROUP Set gid to GROUP after initialization.\n\