Public bug reported: Running on 20.04 (focal), the following netplan config for a bridge interface, rendering with networkd:
network: version: 2 bridges: br0: interfaces: [bond0, guest] dhcp4: on macaddress: aa:bb:cc:dd:db:2f optional-addresses: [ dhcp4 ] Appears to apply cleanly, however under the hood, networkd appears to reject the resulting OptionalAddresses setting: May 21 16:25:50 hyper systemd-networkd[864186]: /run/systemd/network/10 -netplan-br0.network:5: Unknown key name 'OptionalAddresses' in section 'Link', ignoring. ** Affects: netplan.io (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1880029 Title: Netplan optional-addresses produces Unknown key name 'OptionalAddresses' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/netplan.io/+bug/1880029/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs