+ - New support for limiting the number of flows in an OpenFlow flow
+ table, with configurable policy for evicting flows upon
+ overflow. See the Flow_Table table in ovs-vswitch.conf.db(5)
+ for more information.
+ - ofproto-provider interface:
+ - "struct rule" has a new member "used" that ofproto implementations
+ should maintain by updating with ofproto_rule_update_used().