Possible workaround: switch back to ifupdown and don't use netplan
sudo apt-get update sudo apt-get install ifupdown cat << EOF > /etc/network/interfaces auto lo iface lo inet loopback auto eth0 iface eth0 inet manual EOF systemctl stop systemd-networkd.socket systemd-networkd \ networkd-dispatcher systemd-networkd-wait-online systemctl disable systemd-networkd.socket systemd-networkd \ networkd-dispatcher systemd-networkd-wait-online sudo apt-get purge netplan.io -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1863873 Title: Systemd fails to configure bridged network in LXC container To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1863873/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs