Bug#1023764: Bug 1023764

This change has merged: https://review.opendev.org/c/x/networking-l2gw/+/866620 If you want to try and build again.

Bug#1023764: Bug 1023764

It looks like the problem is that networking-l2gw is requiring a version of neutron that doesn't have this method. I've pushed a change that might solve the issue: https://review.opendev.org/c/x/networking-l2gw/+/866620 Unless it's easier to just dump this in a package file?