* OpenFlow 1.4+ "importance" is now considered for flow eviction.
* OpenFlow 1.4+ OFPTC_EVICTION is now implemented.
* OpenFlow 1.4+ OFPMP_TABLE_DESC is now implemented.
- - Support for matching and generating options with Geneve tunnels.
+ - Support for matching/generating options as well as the OAM bit with
+ Geneve tunnels.
- Support Multicast Listener Discovery (MLDv1 and MLDv2).
- Add 'symmetric_l3l4' and 'symmetric_l3l4+udp' hash functions.