2nd System upgraded from Ubuntu 20.04 w/working LXD to Ubuntu 22.04 - LXD again not working

LXD
30

So I do this:

Edit /etc/default/grub and ensure that GRUB_CMDLINE_LINUX contains systemd.unified_cgroup_hierarchy=false:

E.g.

GRUB_CMDLINE_LINUX="systemd.unified_cgroup_hierarchy=false"

Then run:

sudo update-grub

Then reboot, and you should see it in the kernel cmdline:

cat /proc/cmdline 
BOOT_IMAGE=/boot/vmlinuz-5.15.0-56-generic root=UUID=3710b4e6-c6e9-4675-a1b2-53f524dce111 ro systemd.unified_cgroup_hierarchy=false quiet splash console=tty1 console=ttyS0 vt.handoff=7
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