The Ubuntu 14.04 kernel contains a recent enough version of the openvswitch datapath module to not need to use the dkms package any longer - and later HWE kernels also work fine.
So I'd recommend uninstalling -dkms for now: https://javacruft.wordpress.com/2014/03/03/which-open-vswitch/ ** Changed in: openvswitch (Ubuntu) Status: New => Won't Fix -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1640663 Title: Error occurs at upgrade; openvswitch-datapath-dkms 2.0.2-0ubuntu0.14.04.3: openvswitch kernel module failed to build To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openvswitch/+bug/1640663/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
