euca-create-vpn-gateway --version (return code: 0)
euca2ools 3.3-devel (Yokohama)
euca-create-vpn-gateway help (return code: 2)
usage: euca-create-vpn-gateway -t ipsec.1 [--show-empty-fields] [-U URL]
[--region USER@REGION] [-I KEY_ID] [-S KEY]
[--security-token TOKEN] [--debug] [--debugger]
[--version] [-h]
euca-create-vpn-gateway: error: argument -t/--type is required