// signaling it is no longer available.
func (h *RegistrationHandler) DeRegisterPlugin(pluginName string) {
	klog.InfoS("DeRegister DRA plugin", "name", pluginName)
	deregisterPlugin(pluginName)
	h.controller.removePlugin(pluginName)
}

// ValidatePlugin is called by kubelet's plugin watcher upon detection
// of a new registration socket opened by DRA plugin.

	c.wg.Add(1)
	go func() {
		defer c.wg.Done()
		c.monitorPlugin(cancelCtx, active, driverName, pluginInstance)
	}()
}

// removePlugin is called whenever a plugin has been unregistered.
func (c *nodeResourcesController) removePlugin(driverName string) {
	if c == nil {
		return
	}

	klog.FromContext(c.ctx).V(2).Info("Removing plugin", "driverName", driverName)
	c.mutex.Lock()