public static NodeCandidate createNewExclusiveChild(Node node, Node parent) {
        return new ConcreteNodeCandidate(node, false, node.resources(), Optional.of(parent), false, true, false, true, false);
    }
Returns the host priority, based on allocation skew, of this compared to other
node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/NodeCandidate.java