* Fix hyperkube kubelet --experimental-dockershim ([#55335](https://github.com/kubernetes/kubernetes/pull/55335), [@ivan4th](https://github.com/ivan4th))
* fix azure pv crash due to volumeSource.ReadOnly value nil ([#54607](https://github.com/kubernetes/kubernetes/pull/54607), [@andyzhangx](https://github.com/andyzhangx))

witch.bootstrap-switch-indeterminate .bootstrap-switch-handle-on,.bootstrap-switch.bootstrap-switch-indeterminate .bootstrap-switch-label,.bootstrap-switch.bootstrap-switch-readonly .bootstrap-switch-handle-off,.bootstrap-switch.bootstrap-switch-readonly .bootstrap-switch-handle-on,.bootstrap-switch.bootstrap-switch-readonly .bootstrap-switch-label{cursor:default;opacity:.5}.bootstrap-switch.bootstrap-switch-animate .bootstrap-switch-container{transition:margin-left .5s}.bootstrap-switch.bootstrap-switch-inverse...

* change azure disk host cache to ReadOnly by default ([#72229](https://github.com/kubernetes/kubernetes/pull/72229), [@andyzhangx](https://github.com/andyzhangx))

   * @see FileChannel#map(MapMode, long, long)
   * @since 2.0
   */
  public static MappedByteBuffer map(File file) throws IOException {
    checkNotNull(file);
    return map(file, MapMode.READ_ONLY);
  }

  /**
   * Fully maps a file in to memory as per {@link
   * FileChannel#map(java.nio.channels.FileChannel.MapMode, long, long)} using the requested {@link
   * MapMode}.
   *

   *
   * <p><b>Performance note:</b> When feasible, {@code initialCapacity} should be the exact number
   * of values that will be added, if that knowledge is readily available. It is better to guess a
   * value slightly too high than slightly too low. If the value is not exact, the {@link
   * ImmutableLongArray} that is built will very likely occupy more memory than strictly necessary;

   *
   * <p><b>Performance note:</b> When feasible, {@code initialCapacity} should be the exact number
   * of values that will be added, if that knowledge is readily available. It is better to guess a
   * value slightly too high than slightly too low. If the value is not exact, the {@link
   * ImmutableIntArray} that is built will very likely occupy more memory than strictly necessary;

   * @see FileChannel#map(MapMode, long, long)
   * @since 2.0
   */
  public static MappedByteBuffer map(File file) throws IOException {
    checkNotNull(file);
    return map(file, MapMode.READ_ONLY);
  }

  /**
   * Fully maps a file in to memory as per {@link
   * FileChannel#map(java.nio.channels.FileChannel.MapMode, long, long)} using the requested {@link
   * MapMode}.
   *

month, and doesn't tell what o'clock it is!'

  `Why should it?' muttered the Hatter.  `Does YOUR watch tell
you what year it is?'

  `Of course not,' Alice replied very readily:  `but that's
because it stays the same year for such a long time together.'

  `Which is just the case with MINE,' said the Hatter.

  Alice felt dreadfully puzzled.  The Hatter's remark seemed to