[Merge] ~mwhudson/livecd-rootfs/+git/livecd-rootfs:live-server-serial-argh-focal into livecd-rootfs:ubuntu/focal

[Dan Bungert]

Review: Approve

Sorry for the delay, looks consistent with recent changes to me.
-- 
https://code.launchpad.net/~mwhudson/livecd-rootfs/+git/livecd-rootfs/+merge/406127
Your team Ubuntu Core Development Team is requested to review the proposed merge of ~mwhudson/livecd-rootfs/+git/livecd-rootfs:live-server-serial-argh-focal into livecd-rootfs:ubuntu/focal.