- Update to LXD 4.21. The full upstream changelog is available from:
https://discuss.linuxcontainers.org/t/lxd-4-21-has-been-released/12860
boo#1193649

+ Cluster member groups
* Reworked cloud-init support
+ Trust certificate self-renewal
+ Restricted disk passthrough in projects
+ Restricted idmap uid/gid in projects
+ List all lxc commands with --sub-commands
+ List instances across all projects with --all-projects
+ New database-leader cluster role
* Consistent units for byte sizes.
* Routed networking in virtual machines
+ Support for ipv4.routes and ipv6.routes on routed type NICs
+ Option to skip records for NAT-ed addresses in network zones
+ Allow blocking an IP address family with security filtering options
+ New ceph.rbd.du storage config option to disable potentially slow rbd du
* Optimized moving of instances and volumes between projects
* Support for copying/moving custom volumes between cluster members