putNext(this, next);
    }

    void unpark() {
      // This is racy with removeWaiter. The consequence of the race is that we may spuriously call
      // unpark even though the thread has already removed itself from the list. But even if we did
      // use a CAS, that race would still exist (it would just be ever so slightly smaller).
      Thread w = thread;
      if (w != null) {
        thread = null;

        } finally {
          client.dispatcher.finished(this)
        }
      }
    }
  }

  internal class CallReference(
    referent: RealCall,
    /**
     * Captures the stack trace at the time the Call is executed or enqueued. This is helpful for
     * identifying the origin of connection leaks.
     */
    val callStackTrace: Any?,
  ) : WeakReference<RealCall>(referent)

                        final String msg = buf.toString(Constants.UTF_8);
                        if (StringUtil.isNotBlank(msg)) {
                            if (logger.isTraceEnabled()) {
                                logger.trace(msg);
                            } else if (logger.isDebugEnabled()) {
                                logger.debug(msg);
                            } else if (logger.isWarnEnabled()) {

      long nanos = expirationNanos;
      long now = System.nanoTime();
      if (nanos == 0 || now - nanos >= 0) {
        synchronized (lock) {
          if (nanos == expirationNanos) { // recheck for lost race
            T t = delegate.get();
            value = t;
            nanos = now + durationNanos;
            // In the very unlikely event that nanos is 0, set it to 1;

- Fixed a data race in TopologyCache when `AddHints` and `SetNodes` are called concurrently. ([#117249](https://github.com/kubernetes/kubernetes/pull/117249), [@tnqn](https://github.com/tnqn)) [SIG Apps and Network]

        this.skipMaskingForDebugLevel = enable;
        log.info("Skip masking for debug level {}", enable ? "enabled" : "disabled");
    }

    /**
     * Enable or disable stack trace inclusion
     *
     * @param enable true to include stack traces
     */
    public void setIncludeStackTrace(boolean enable) {
        this.includeStackTrace = enable;
    }

    /**

- Fixed a race condition in the kube-proxy initialization that could cause UDP traffic to service VIP. ([#126532](https://github.com/kubernetes/kubernetes/pull/126532), [@wedaly](https://github.com/wedaly))

* Fixed missing error checking that could cause kubelet to crash in a race condition. ([#60962](https://github.com/kubernetes/kubernetes/pull/60962), [@technicianted](https://github.com/technicianted))
* Bump Heapster to v1.5.2 ([#61396](https://github.com/kubernetes/kubernetes/pull/61396), [@kawych](https://github.com/kawych))

    reuse pod names (they use generate-name).
  * User-written controllers that reuse names of pod objects should evaluate this change.
  * When deleting an object with `kubectl delete ... --grace-period=0`, the client will
    begin a graceful deletion and wait until the resource is fully deleted.  To force
    deletion immediately, use the `--force` flag. This prevents users from accidentally

- Respect grace period when updating static pods. ([#106394](https://github.com/kubernetes/kubernetes/pull/106394), [@gjkim42](https://github.com/gjkim42)) [SIG Node and Testing]