private List<String> getAdditionalIP() {
        return List.of("::1", "::2", "::3", "::4", "::5", "::6", "::7", "::8");
    }
Graphically run allocation procedure to ease manual comprehension.

Extremely useful when trying to understand test cases and build corner cases.
node-repository/src/test/java/com/yahoo/vespa/hosted/provision/provisioning/AllocationSimulator.java