Daan, Please cherry-pick below commit from 4.4-forward into 4.4
commit a176576c349581f56b2d79af88e0c459eb7c3776 Author: Murali Reddy <muralimmre...@gmail.com> Date: Fri Apr 25 17:18:24 2014 +0530 CLOUDSTACK-6431: OVS migrating vm to a new host added to the cluster does not create gre tunnel port on the new host Fix ensures OveElement gets a chance to setup tunnel network on the host before VM is migrated.