// TCP starts sending keepalive probes
				_ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, syscall.TCP_KEEPIDLE, 15)

				// Number of probes.
				// ~ cat /proc/sys/net/ipv4/tcp_keepalive_probes (defaults to 9, we reduce it to 5)
				_ = syscall.SetsockoptInt(fd, syscall.IPPROTO_TCP, syscall.TCP_KEEPCNT, 5)

				// Wait time after successful probe in seconds.

                            type: string
                            x-kubernetes-validations:
                            - message: must be a valid duration greater than 1ms
                              rule: duration(self) >= duration('1ms')
                          probes:
                            description: Maximum number of keepalive probes to send

* nat
-N ISTIO_POSTRT
-A POSTROUTING -j ISTIO_POSTRT
-A ISTIO_POSTRT -m owner --socket-exists -p tcp -m set --match-set istio-inpod-probes-v4 dst -j SNAT --to-source 169.254.7.127

	RouteTableInbound    = 100

	DNSCapturePort              = 15053
	ZtunnelInboundPort          = 15008
	ZtunnelOutboundPort         = 15001
	ZtunnelInboundPlaintextPort = 15006
	ProbeIPSet                  = "istio-inpod-probes"
)

type Config struct {
	TraceLogging bool `json:"IPTABLES_TRACE_LOGGING"`
	EnableIPv6   bool `json:"ENABLE_INBOUND_IPV6"`
	RedirectDNS  bool `json:"REDIRECT_DNS"`

* nat
-N ISTIO_POSTRT
-A POSTROUTING -j ISTIO_POSTRT
-A ISTIO_POSTRT -m owner --socket-exists -p tcp -m set --match-set istio-inpod-probes-v4 dst -j SNAT --to-source 169.254.7.127
COMMIT
* nat
-N ISTIO_POSTRT
-A POSTROUTING -j ISTIO_POSTRT
-A ISTIO_POSTRT -m owner --socket-exists -p tcp -m set --match-set istio-inpod-probes-v6 dst -j SNAT --to-source fd16:9254:7127:1337:ffff:ffff:ffff:ffff

type remoteVersionID string

// newWarmBackend instantiates the tier type specific WarmBackend, runs
// checkWarmBackend on it.
func newWarmBackend(ctx context.Context, tier madmin.TierConfig, probe bool) (d WarmBackend, err error) {
	switch tier.Type {
	case madmin.S3:
		d, err = newWarmBackendS3(*tier.S3, tier.Name)
	case madmin.Azure:
		d, err = newWarmBackendAzure(*tier.Azure, tier.Name)
	case madmin.GCS:

resources | [resources](https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/#resource-requests-and-limits-of-pod-and-container)
readinessProbe | [readiness probes](https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/)
replicaCount | [replica count](https://kubernetes.io/docs/concepts/workloads/controllers/deployment/)

)

const (
	// to reliably identify kubelet healthprobes from inside the pod (versus standard kube-proxy traffic,
	// since the IP is normally the same), we SNAT identified host probes in the host netns to a fixed
	// APIPA/"link-local" IP.
	//
	// It doesn't matter what this IP is, so long as it's not routable and doesn't collide with anything else.
	//

			},
			{
				Name:          "foo-2-port",
				ContainerPort: 8020,
			},
		},
		LivenessProbe: &corev1.Probe{
			ProbeHandler: corev1.ProbeHandler{
				HTTPGet: &corev1.HTTPGetAction{
					Port: intstr.FromString("foo-2-port"),
				},
			},
		},
		StartupProbe: &corev1.Probe{
			ProbeHandler: corev1.ProbeHandler{
				HTTPGet: &corev1.HTTPGetAction{
					Port: intstr.FromInt(7777),
				},
			},

		TPROXYRedirection: args.TPROXYRedirection,
	}

	log.Debug("creating ipsets in the node netns")
	set, err := createHostsideProbeIpset(cfg.EnableIPv6)
	if err != nil {
		return nil, fmt.Errorf("error initializing hostside probe ipset: %w", err)
	}

	podNsMap := newPodNetnsCache(openNetnsInRoot(pconstants.HostMountsPath))
	ztunnelServer, err := newZtunnelServer(args.ServerSocket, podNsMap)
	if err != nil {