That's odd. I've been using it on Ubuntu as the rootfs for over 18 months now and have been through 16.04/16.10/17.04/17.10 upgrades and numerous kernel upgrad

That's odd. I've been using it on Ubuntu as the rootfs for over 18 months now and have been through 16.04/16.10/17.04/17.10 upgrades and numerous kernel upgrades and it's worked flawlessly every time.