So the fix will be to do:
sudo ip link set <dev> down sudo brctl delbr <dev>
for bridge devices here
https://github.com/openstack/nova/blob/stable/juno/nova/network/linux_net.py#L1617-L1639
So the fix will be to do:
sudo ip link set <dev> down
sudo brctl delbr <dev>
for bridge devices here
https:/ /github. com/openstack/ nova/blob/ stable/ juno/nova/ network/ linux_net. py#L1617- L1639