ubuntu@icky-son:~$ more /etc/network/interfaces-orig
auto eth0
iface eth0 inet static
gateway 10.17.20.1
address 10.17.20.212/24
mtu 1500
auto eth1
iface eth1 inet static
address 10.17.20.211/24
mtu 1500
dns-nameservers 10.17.20.200
dns-search maas19
ubuntu@icky-son:~$ more /etc/network/interfaces
iface eth0 inet manual
auto juju-br0
iface juju-br0 inet static
bridge_ports eth0
gateway 10.17.20.1
address 10.17.20.212/24
mtu 1500
auto eth1
iface eth1 inet static
address 10.17.20.211/24
mtu 1500
dns-nameservers 10.17.20.200
dns-search maas19