if c.HealthCheckFn != nil && atomic.CompareAndSwapInt32(&c.connected, online, offline) {
		go func() {
			backOff := exponentialBackoffWait(
				rand.New(rand.NewSource(time.Now().UnixNano())),
				200*time.Millisecond,
				30*time.Second,
			)

			attempt := uint(0)
			for {
				if atomic.LoadInt32(&c.connected) == closed {
					return
				}