+ <http://openvswitch.org/support/dist-docs/INSTALL.rst.html>
+
+ - ovs_stats
+ The plugin collects the statistics of OVS connected bridges and
+ interfaces. It requires YAJL library to be installed.
+ Detailed instructions for installing and setting up Open vSwitch, see
+ OVS documentation.
+ <http://openvswitch.org/support/dist-docs/INSTALL.rst.html>