Comment 13 for bug 1914740

For netplan yaml of:

network:
    version: 2
    ethernets:
        enc8f00:
            dhcp4: yes

It would be interesting to see if L3 dhcp starts to work if one does:

$ sudo mkdir -p /etc/systemd/network/10-netplan-enc8f00.network.d
$ cat <<EOF | sudo tee -a /etc/systemd/network/10-netplan-enc8f00.network.d/30-request-broadcast.conf
[DHCPv4]
RequestBroadcast=yes
EOF

$ sudo networkctl reconfigure enc8f00

(or chzdev -d 0.0.8f00; chzdev -e 0.0.8f00 or reboot, whatever is easier to make networkd force renew).