post-v1.6.0
------------------------
+ - kernel modules are renamed. openvswitch_mod.ko is now
+ openvswitch.ko and brcompat_mod.ko is now brcompat.ko.
v1.6.0 - xx xxx xxxx
receive asynchronously.
- New "fin_timeout" action.
- Added "fin_timeout" support to "learn" action.
+ - New Nicira action NXAST_CONTROLLER that offers additional features
+ over output to OFPP_CONTROLLER.
- The default MAC learning timeout has been increased from 60 seconds
to 300 seconds. The MAC learning timeout is now configurable.
- When QoS settings for an interface do not configure a default queue