### Bug or Regression

- Disable aufs module for gce clusters ([#103831](https://github.com/kubernetes/kubernetes/pull/103831), [@lizhuqi](https://github.com/lizhuqi)) [SIG Cloud Provider]
- Fix kube-apiserver metric reporting for the deprecated watch path of /api/<version>/watch/... ([#104190](https://github.com/kubernetes/kubernetes/pull/104190), [@wojtek-t](https://github.com/wojtek-t)) [SIG API Machinery and Instrumentation]

- Kubelet: Added kubelet serving certificate metric `server_rotation_seconds` which is a histogram reporting the age of a just rotated serving certificate in seconds. ([#84534](https://github.com/kubernetes/kubernetes/pull/84534), [@sambdavidson](https://github.com/sambdavidson))

- Added metrics for the nftables kube-proxy mode rather than it reporting
  metrics with "iptables" in their names. ([#124557](https://github.com/kubernetes/kubernetes/pull/124557), [@danwinship](https://github.com/danwinship)) [SIG Network and Windows]

* Fixed SELinux relabeling of CSI volumes. ([#64026](https://github.com/kubernetes/kubernetes/pull/64026), [@jsafrane](https://github.com/jsafrane))
* Fixed error reporting of CSI volumes attachment. ([#63303](https://github.com/kubernetes/kubernetes/pull/63303), [@jsafrane](https://github.com/jsafrane))

* fix race condition when attach azure disk in vmss ([#71992](https://github.com/kubernetes/kubernetes/pull/71992), [@andyzhangx](https://github.com/andyzhangx))
* Fixed kubelet reporting "resource name may not be empty" when mounting a volume very quickly after unmount. ([#71074](https://github.com/kubernetes/kubernetes/pull/71074), [@jsafrane](https://github.com/jsafrane))

</p>

<pre>
x, ok = &lt;-ch
x, ok := &lt;-ch
var x, ok = &lt;-ch
var x, ok T = &lt;-ch
</pre>

<p>
yields an additional untyped boolean result reporting whether the
communication succeeded. The value of <code>ok</code> is <code>true</code>
if the value received was delivered by a successful send operation to the

      segment.cleanUp();
    }
  }

  // ConcurrentMap methods

  @Override
  public boolean isEmpty() {
    /*
     * Sum per-segment modCounts to avoid mis-reporting when elements are concurrently added and
     * removed in one segment while checking another, in which case the table was never actually
     * empty at any point. (The sum ensures accuracy up through at least 1<<31 per-segment

* [Kubelet] Check if kubelet is running as uid 0 ([#30466](https://github.com/kubernetes/kubernetes/pull/30466), [@vishh](https://github.com/vishh))
* Fix third party APIResource reporting ([#29724](https://github.com/kubernetes/kubernetes/pull/29724), [@brendandburns](https://github.com/brendandburns))

- Fixed a bug where `events/v1` `Events` with similar event type and reporting instance were not aggregated by `client-go`. ([#112365](https://github.com/kubernetes/kubernetes/pull/112365), [@dgrisonnet](https://github.com/dgrisonnet))

  optional string reason = 3;

  // A human-readable description of the status of this operation.
  // TODO: decide on maximum length.
  // +optional
  optional string message = 4;

  // The component reporting this event. Should be a short machine understandable string.
  // +optional
  optional EventSource source = 5;

  // The time at which the event was first recorded. (Time of server receipt is in TypeMeta.)