Howto: LXD init 3.9, Hetzner, Single Public IP, MAC, Ubuntu 18.04

[TomvB (Tom)]

Yes, you can try it with routes. But I dont like individual profiles for containers. Macvlan is easy to configure with only 1 command to override eth0. (to receive DHCP)

You need LXD 3.19 for this feature:

LXD 3.19 has been released

Introduction The LXD team is very excited to announce the release of LXD 3.19! This is a jam packed release, including one huge feature we’ve been working on for the past few months, virtual machine support! It’s now possible to run LXD on a system and manage both containers and virtual machines through the exact same CLI, API or even as part of a cluster deployment! We also have a lot of other features, user experience improvements and fixes in this release, quite possibly making it our busi…

And yes, you can use your host MAC (by default) to route it to your containers.
lxc config device add c1 eth0 nic nictype=routed ipv4.address=public ip