Comment 6 for bug 1666573

Also see http://unix.stackexchange.com/questions/296148/how-to-remount-a-systemd-mount-unit-with-different-options

I do not know how one can resolve the '/' mount which hosts '/media/root-ro', with remount of '/media/root-ro' as '/'. As both mounts are '-.mount' in the systemd brain.