After HONEYCOMB-290 it should now be possible to access nodes under vrf-subtable directly.
However when I do the following (Postman requests in attachment):
1. enable Lisp
2. add locator set
3. add some vrf mappings
4. add adjacency
5. read Lisp operational data

responds with code 500: IllegalStateException: Unexpected size of list: [ ]. Single item expected.