/usr/bin/ibv_devinfo: unrecognized option '--help'
Usage: /usr/bin/ibv_devinfo             print the ca attributes

Options:
  -d, --ib-dev=<dev>     use IB device <dev> (default all devices)
  -i, --ib-port=<port>   use port <port> of IB device (default all ports)
  -l, --list             print only the IB devices names
  -v, --verbose          print all the attributes of the IB device(s)