}
        log.info("Health checking {}", enabled ? "enabled" : "disabled");
    }

    /**
     * Enable or disable proactive health checking
     */
    public void setProactiveHealthCheckEnabled(boolean enabled) {
        this.proactiveHealthCheckEnabled = enabled;
        if (enabled && healthCheckingEnabled) {
            startProactiveHealthChecking();
        } else if (!enabled) {