func (a BitrotAlgorithm) Available() bool {
	_, ok := bitrotAlgorithms[a]
	return ok
}

// String returns the string identifier for a given bitrot algorithm.
// If the algorithm is not supported String panics.
func (a BitrotAlgorithm) String() string {
	name, ok := bitrotAlgorithms[a]
	if !ok {
		logger.CriticalIf(GlobalContext, errors.New("Unsupported bitrot algorithm"))
	}
	return name
}

	}
	return
}

// mustGetLocalIP4 returns IPv4 addresses of localhost.  It panics on error.
func mustGetLocalIP4() (ipList set.StringSet) {
	ipList = set.NewStringSet()
	for _, ip := range mustGetLocalIPs() {
		if ip.To4() != nil {
			ipList.Add(ip.String())
		}
	}
	return
}

// mustGetLocalIP6 returns IPv6 addresses of localhost.  It panics on error.
func mustGetLocalIP6() (ipList set.StringSet) {

// descriptors, this function panics.
//
// Panics if `labels` is not a list of ordered label name and label value pairs
// or if all labels for the metric are not provided.
func (m *MetricValues) Set(name MetricName, value float64, labels ...string) {
	desc, ok := m.descriptors[name]
	if !ok {
		panic(fmt.Sprintf("metric has no description: %s", name))
	}

		if globalLocalNodeName != "" {
			w.Header().Set(xhttp.AmzRequestHostID, globalLocalNodeNameHex)
		}
		h.ServeHTTP(w, r)
	})
}

// criticalErrorHandler handles panics and fatal errors by
// `panic(logger.ErrCritical)` as done by `logger.CriticalIf`.
//
// It should be always the first / highest HTTP handler.
func setCriticalErrorHandler(h http.Handler) http.Handler {

* Fix a scheduler panic due to internal cache inconsistency ([#71063](https://github.com/kubernetes/kubernetes/pull/71063), [@Huang-Wei](https://github.com/Huang-Wei))
* apiserver: fixes handling and logging of panics in REST handlers to prevent crashes ([#71076](https://github.com/kubernetes/kubernetes/pull/71076), [@liggitt](https://github.com/liggitt))

# optionally, remove the old secret
kubectl delete secret --namespace=federation federation-apiserver-secret
```

- Kubernetes components no longer handle panics, and instead actively crash.  All Kubernetes components should be run by something that actively restarts them. This is true of the default setups, but those with custom environments may need to double-check (#28800, @lavalamp)

* kubectl: fixes regression in --sort-by behavior ([#71805](https://github.com/kubernetes/kubernetes/pull/71805), [@liggitt](https://github.com/liggitt))
* Fixes apiserver nil pointer panics when requesting v2beta1 autoscaling object metrics ([#71744](https://github.com/kubernetes/kubernetes/pull/71744), [@yue9944882](https://github.com/yue9944882))

* Fix a scheduler panic due to internal cache inconsistency ([#71063](https://github.com/kubernetes/kubernetes/pull/71063), [@Huang-Wei](https://github.com/Huang-Wei))
* apiserver: fixes handling and logging of panics in REST handlers to prevent crashes ([#71076](https://github.com/kubernetes/kubernetes/pull/71076), [@liggitt](https://github.com/liggitt))

* apiserver: fixes handling and logging of panics in REST handlers to prevent crashes ([#71076](https://github.com/kubernetes/kubernetes/pull/71076), [@liggitt](https://github.com/liggitt))

- Fixed client IP preservation for NodePort service with protocol SCTP in ipvs. ([#104756](https://github.com/kubernetes/kubernetes/pull/104756), [@tnqn](https://github.com/tnqn))
- Fixed concurrent map access causing panics when logging timed-out API calls. ([#105734](https://github.com/kubernetes/kubernetes/pull/105734), [@marseel](https://github.com/marseel))
- Fixed consolidate logs for `instance not found` error