func (c *Controller) addIPAddress(obj interface{}) {
	ip, ok := obj.(*networkingapiv1alpha1.IPAddress)
	if !ok {
		return
	}

	for _, cidr := range c.containingServiceCIDRs(ip) {
		c.queue.Add(cidr)
	}
}

// deleteIPAddress may unblock a ServiceCIDR deletion
func (c *Controller) deleteIPAddress(obj interface{}) {
	ip, ok := obj.(*networkingapiv1alpha1.IPAddress)
	if !ok {

	coordinationapiv1 "k8s.io/api/coordination/v1"
	apiv1 "k8s.io/api/core/v1"
	discoveryv1 "k8s.io/api/discovery/v1"
	eventsv1 "k8s.io/api/events/v1"
	networkingapiv1 "k8s.io/api/networking/v1"
	networkingapiv1alpha1 "k8s.io/api/networking/v1alpha1"
	nodev1 "k8s.io/api/node/v1"
	policyapiv1 "k8s.io/api/policy/v1"
	rbacv1 "k8s.io/api/rbac/v1"
	resourcev1alpha2 "k8s.io/api/resource/v1alpha2"