+ - The maximum size of the MAC learning table is now configurable.
+ - New support for the VXLAN tunnel protocol (see the IETF draft here:
+ http://tools.ietf.org/html/draft-mahalingam-dutt-dcops-vxlan-02).
+ - New "vlog/disable-rate-limit" and "vlog/enable-rate-limit" commands
+ available through ovs-appctl allow control over logging rate limits.