Comment 8 for bug 1606510

So I'm recycling this bug report for what we discussed the most in comments, how to get the "lxd" group on our users' system.

The current recommendation I believe is to have snapd always create it (needs to be a system group!) and then figure out a clean way to address such needs moving forward.

All the other bits that were raised in this bug have been split into separate bugs (look for the lxd tag).