Lxd network config

configure a network external to lxd using bridge-utils and the following netplan config:

network:
  ethernets:
    eno1:
      addresses:
      - 192.168.0.31/17
      gateway4: 192.168.0.1
      nameservers:
        addresses:
        - 192.168.0.1
        search:
        - attlocal.net
    eno2:
      dhcp4: yes
      dhcp6: no
  bridges:
    br0:
      interfaces: [eno2]
      parameters:
        stp: true
        forward-delay: 4
      dhcp4: yes
      dhcp6: no
  renderer: networkd
  version: 2

Configure network br0 internal to lxd (you may not be able to change anything).

lxc network show br0
name: br0
description: ""
type: bridge
managed: false
status: ""
config: {}
used_by:

Edit the default profile to match below.

lxc profile show default
name: default
description: Default LXD profile
config:

 security.secureboot: "false"

devices:

 eth0:
   name: eth0
   nictype: bridged
   parent: br0
   type: nic
 root:
   path: /
   pool: default
   type: disk

used_by: