Interestingly, when I added the bind mount to /usr the init environment failed when trying to set up the actual root fs because it was trying to bind mount from the init ramdisk filesystem paths into the new root path. im sure I could cloodge together a script to patch things up in the initrd but my days of straying from a sane upgrade path on Ubuntu are over (now I just do that on nixos because I don’t know what I’m doing)