Sometimes it can be useful starting a new lxc from a backup, instead of a template. But it can be interesting, and less confusing, if it can be possible rename a backup set with custom name. This can be made from cli, but after, the restore can't run (or at least I'm not capable). Leave the standard name, instead, can lead to accidental file overwrite by automatic vzdump. I don't know if this need it's only my or not, and I don't know how much work this can involve...