When generating inventory first check that is done, if user has defined
a container/management network. However, this logic ignores
is_management_address / is_container_address keys.
At the same time it expects another key - `address_prefix` which can or
should be set to `container` or `management`.
Change-Id: I49ebd1e0925a4b088b42bdf875b5f0b2dcc7eeae