// MutatingWebhookConfiguration and ValidatingWebhookConfiguration. The app of the webhooks are not general
	// since they are functioned differently with different name.
	// The filtered common labels are then added to the incoming generated
	// webhooks, which aids in managing these webhooks via the istioctl/operator.
	filteredLabels := make(map[string]string)
	for k, v := range wh.Labels {
		if k != "app" {
			filteredLabels[k] = v