euca-create-network-acl-entry --version (return code: 0)
euca2ools 3.3-devel (Yokohama)
euca-create-network-acl-entry --HELP (return code: 2)
usage: euca-create-network-acl-entry -n INT (--allow | --deny) -r CIDR
[-P PROTOCOL] [--egress] [-p RANGE]
[-t TYPE:CODE] [--show-empty-fields]
[-U URL] [--region USER@REGION]
[-I KEY_ID] [-S KEY]
[--security-token TOKEN] [--debug]
[--debugger] [--version] [-h]
NACL
euca-create-network-acl-entry: error: too few arguments