GID of ubuntu is 1002 in LXD images:ubuntu/focal/cloud

LXD
1

Is there some reason ubuntu is now gid 1002 rather than 1000? lxd and netdev users seem like system users that normally are in the <1000 range.

$ lxc launch images:ubuntu/focal/cloud c2
Creating c2
Starting c2
$ lxc exec c2 cat /etc/group | grep 100
users:x:100:
lxd:x:1000:ubuntu
netdev:x:1001:ubuntu
ubuntu:x:1002:

$ lxc launch ubuntu:20.04 c1
Creating c1
Starting c1             
$ lxc exec c1 cat /etc/group | grep 100
users:x:100:
ubuntu:x:1000:
$ lxc exec c1 cat /etc/group | grep net
systemd-network:x:102:
netdev:x:117:ubuntu
$ lxc exec c1 cat /etc/group | grep lxd
lxd:x:118:ubuntu
2

In cloud variants, those users are all created by cloud-init on boot rather than by any of our image building logic. So this may be a cloud-init bug of some kind.

I’ve confirmed that the non-cloud images which have us create users ahead of time do have ubuntu as 1000.