euare-userenablemfadevice --version (return code: 0)
euca2ools 3.3-devel (Yokohama)
euare-userenablemfadevice --HELP (return code: 2)
usage: euare-userenablemfadevice -s SERIAL -c1 CODE -c2 CODE
[--as-account ACCOUNT] [-U URL]
[--region USER@REGION] [-I KEY_ID] [-S KEY]
[--security-token TOKEN] [--debug]
[--debugger] [--version] [-h]
USER
euare-userenablemfadevice: error: too few arguments