static boolean hasHardwareIssue(Node node, NodeList allNodes) {
        Node host = node.parentHostname().flatMap(allNodes::node).orElse(node);
        return !reasonsToFailHost(host).isEmpty();
    }
Returns whether node has any kind of hardware issue
node-repository/src/main/java/com/yahoo/vespa/hosted/provision/maintenance/NodeFailer.java