Here's an example configuration for your /etc/network/interfaces using a simple ovsbr0 bridge for eth0, with dhcp for ipv4 and ipv6. This was taken from https://bugs.debian.org/860786. auto ovsbr0 iface ovsbr0 inet dhcp ovs_type OVSBridge ovs_ports eth0 auto ovsbr0 iface ovsbr0 inet6 dhcp ovs_type OVSBridge ovs_ports eth0 autobr0 eth0 iface eth0 inet manual ovs_bridge ovsbr0 ovs_type OVSPort However, this didn't work for me. Instead, this worked: auto br0 iface br0 inet dhcp ovs_type OVSBridge ovs_port enp0s3 auto enp0s3 iface enp0s3 inet manual ovs_bridge br0 ovs_type OVSPort up ip address add 0/0 dev enp0s3 up ip link set enp0s3 up up dhclient br0 down ip link set enp0s3 down -- Antoine Beaupré , Wed, 22 Jun 2022 12:02:39 -0400