- Added OpenFlow 1.4+ OFPT_SET_ASYNC_CONFIG and OFPT_GET_ASYNC_CONFIG
that allows controllers to have more precise control over OpenFlow1.4
asynchronous messages.
+ - New 'check-system-userspace', 'check-kmod' and 'check-kernel' Makefile
+ targets to run a new system testsuite. These tests can be run inside
+ a Vagrant box. See INSTALL.md for details
+ - Dropped support for GRE64 tunnel.
v2.4.0 - xx xxx xxxx