private void expireReserved() {
        Instant now = nodeRepository().clock().instant();
        Instant expiry = now.minus(reservedExpiry);
        patchLoadBalancers(lb -> canDeactivate(lb, expiry),
                           lb -> db.writeLoadBalancer(lb.with(State.inactive, now), lb.state()));
    }
Move reserved load balancer that have expired to inactive
node-repository/src/main/java/com/yahoo/vespa/hosted/provision/maintenance/LoadBalancerExpirer.java