[Merge] ~callmepk/livecd-rootfs/+git/livecd-rootfs:hyper-v-fix into livecd-rootfs:ubuntu/master

[Steve Langasek]

Review: Approve

Please don't use the resubmit option for active reviews, this just unnecessarily requires reviewers to verify that the previous review still applies.
-- 
https://code.launchpad.net/~callmepk/livecd-rootfs/+git/livecd-rootfs/+merge/386158
Your team Ubuntu Core Development Team is subscribed to branch livecd-rootfs:ubuntu/master.