- Fixed bug to correctly report `ErrRegistryUnavailable` on pulling container images for remote CRI runtimes. ([#117612](https://github.com/kubernetes/kubernetes/pull/117612), [@saschagrunert](https://github.com/saschagrunert)) [SIG Node]

Other notable changes include:
* CoreDNS replaces kube-dns as the default DNS provider
* Improved user experience for environments without a public internet connection and users using other CRI runtimes than Docker
* Support for structured configuration for the kubelet, which avoids the need to modify the systemd drop-in file
* Many improvements to the upgrade process and other bug fixes

### SIG Instrumentation

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* Fix a bug that fluentd doesn't inject container logs for CRI container runtimes (containerd, cri-o etc.) into elasticsearch on GCE. ([#61818](https://github.com/kubernetes/kubernetes/pull/61818), [@Random-Liu](https://github.com/Random-Liu))

### Documentation

- The command`kubectl debug` will now print a warning message when using the `--target` option since many container runtimes do not support this yet. ([#101074](https://github.com/kubernetes/kubernetes/pull/101074), [@verb](https://github.com/verb))

### Failing Test

    }

    @Override
    public int hashCode() {
      /*
       * The sum of the sums of the hash codes in each subset is just the sum of
       * each input element's hash code times the number of sets that element
       * appears in. Each element appears in exactly half of the 2^n sets, so:
       */
      return inputSet.keySet().hashCode() << (inputSet.size() - 1);
    }

    @Override

	if err != nil {
		// Failed to create newbucket, abort.
		t.Fatalf("%s : %s", instanceType, err.Error())
	}
	for range 3 {
		// Initiate Multipart Upload on bucketNames[1] for the same object 3 times.
		//  Used to test the listing for the case of multiple uploadID's for a given object.
		res, err = obj.NewMultipartUpload(context.Background(), bucketNames[1], objectNames[0], opts)
		if err != nil {

}

// Wrapper for calling NewMultipartUploadParallel tests for both Erasure multiple disks and single node setup.
// The objective of the test is to initialte multipart upload on the same object 10 times concurrently,
// The UploadID from the response body is parsed and its existence is asserted with an attempt to ListParts using it.
func TestAPINewMultipartHandlerParallel(t *testing.T) {
	defer DetectTestLeak(t)()

	}
	b1.Flush()
	if w1 != 3 {
		t.Fatalf("flush 1200 + 1389 'x's: got %d writes, want 3", w1)
	}
}

// A writeCountingDiscard is like io.Discard and counts the number of times
// Write is called on it.
type writeCountingDiscard int

func (w *writeCountingDiscard) Write(p []byte) (int, error) {
	*w++
	return len(p), nil
}

type negativeReader int

* Add ops to `tensorflow.raw_ops` that were missing.

* `tf.CheckpointOptions`