Commit 6dca7338b2 added the attribute on the wrong side of the interface. Change-Id: I6d561617805280caebfe6e408d74ceaccefa1f08 Closes-Bug: #1845303
6dca7338b2
This is so that it can be used on a principal charm to allow, for example, the neutron-openvswitch subordinate to be plugged into principal charms. Change-Id: I8760f2f9bec85ccc8b149b9560a6eed3e9ab418b