* Fix vSphere SAML token auth when using Zones ([#78180](https://github.com/kubernetes/kubernetes/pull/78180), [@dougm](https://github.com/dougm))
* IPVS: Disable graceful termination for UDP traffic to solve issues with high number of UDP connections (DNS / syslog in particular) ([#77802](https://github.com/kubernetes/kubernetes/pull/77802), [@lbernail](https://github.com/lbernail))

* Fix unintended change of Service.spec.ports[].nodePort during kubectl apply ([#24180](https://github.com/kubernetes/kubernetes/pull/24180), [@AdoHe](https://github.com/AdoHe))
* Flush conntrack state for removed/changed UDP Services ([#22573](https://github.com/kubernetes/kubernetes/pull/22573), [@freehan](https://github.com/freehan))

- Kube-proxy: delete stale conntrack UDP entries for loadbalancer ingress IP. ([#104152](https://github.com/kubernetes/kubernetes/pull/104152), [@aojea](https://github.com/aojea)) [SIG Network]

* IPVS: Disable graceful termination for UDP traffic to solve issues with high number of UDP connections (DNS / syslog in particular) ([#77802](https://github.com/kubernetes/kubernetes/pull/77802), [@lbernail](https://github.com/lbernail))

- IPVS: Disabled graceful termination for UDP traffic to solve issues with high number of UDP connections (DNS / syslog in particular) ([#77802](https://github.com/kubernetes/kubernetes/pull/77802), [@lbernail](https://github.com/lbernail))

func printService(writer io.Writer, svc corev1.Service, pod *corev1.Pod) {
	fmt.Fprintf(writer, "Service: %s\n", kname(svc.ObjectMeta))
	for _, port := range svc.Spec.Ports {
		if port.Protocol != "TCP" {
			// Ignore UDP ports, which are not supported by Istio
			continue
		}
		// Get port number
		nport, err := pilotcontroller.FindPort(pod, &port)
		if err == nil {
			protocol := findProtocolForPort(&port)

## Changelog since v1.13.6

### Other notable changes

* IPVS: Disable graceful termination for UDP traffic to solve issues with high number of UDP connections (DNS / syslog in particular) ([#77802](https://github.com/kubernetes/kubernetes/pull/77802), [@lbernail](https://github.com/lbernail))

  optional int32 hostPort = 2;

  // Number of port to expose on the pod's IP address.
  // This must be a valid port number, 0 < x < 65536.
  optional int32 containerPort = 3;

  // Protocol for port. Must be UDP, TCP, or SCTP.
  // Defaults to "TCP".
  // +optional
  // +default="TCP"
  optional string protocol = 4;

  // What host IP to bind the external port to.
  // +optional
  optional string hostIP = 5;
}

- Added options for configuring `nf_conntrack_udp_timeout`, and `nf_conntrack_udp_timeout_stream` variables of netfilter conntrack subsystem. ([#120808](https://github.com/kubernetes/kubernetes/pull/120808), [@aroradaman](https://github.com/aroradaman))

- Kube-proxy: delete stale conntrack UDP entries for loadbalancer ingress IP. ([#104151](https://github.com/kubernetes/kubernetes/pull/104151), [@aojea](https://github.com/aojea)) [SIG Network]