This update for lxd fixes the following issues:

Update to LXD 3.19 (boo#1161615). The full upstream changelog is available from:
https://discuss.linuxcontainers.org/t/lxd-3-19-has-been-released/6529

+ Virtual machine support
+ Reworked storage layer
+ Routed networking mode
+ Custom mount options for disk devices
+ Interception of the mount system call
+ Multi-architecture clustering

- Rework package handling to fake Go module builds.
- Support older SLE systems which don't have "usermod -w -v".