* "resubmit" actions may now be included in action sets. The resubmit
is executed last, and only if the action set has no "output" or "group"
action.
+ * OpenFlow 1.4+ flow "importance" is now maintained in the flow table.
- ovs-pki: Changed message digest algorithm from MD5 to SHA-1 because
MD5 is no longer secure and some operating systems have started to disable
it in OpenSSL.