-O [version[,version]...]
    Sets the OpenFlow protocol versions that are allowed when establishing an OpenFlow session.

    These protocol versions are enabled by default:

    •   OpenFlow10, for OpenFlow 1.0.
The following protocol versions are generally supported, but for compatibility with older versions of Open vSwitch they are not enabled by default:

    •   OpenFlow11, for OpenFlow 1.1.

    •   OpenFlow12, for OpenFlow 1.2.

    •   OpenFlow13, for OpenFlow 1.3.

    •   OpenFlow14, for OpenFlow 1.4.

    Support for the following protocol versions is provided for testing and development purposes. They are not enabled by default:

    •   OpenFlow15, for OpenFlow 1.5.

    •   OpenFlow16, for OpenFlow 1.6.