This bug causes the conformance test "HostPort validates that there is no conflict between pods with same hostPort but different hostIP and protocol" to fail. ([#98838](https://github.com/kubernetes/kubernetes/pull/98838), [@aojea](https://github.com/aojea)) [SIG Network and Node]

### Bug or Regression

    // Technically this listener is added after start() was called so it is a little gross, but it
    // is called within doStart() so we know that the service cannot terminate or fail concurrently
    // with adding this listener so it is impossible to miss an event that we are interested in.
    addListener(
        new Listener() {
          @Override
          public void terminated(State from) {

  }

  private void assertIteratorIsUnmodifiable(Iterator<?> iterator) {
    iterator.next();
    try {
      iterator.remove();
      fail();
    } catch (UnsupportedOperationException expected) {
    }
  }

  public void testSplitterIterableIsLazy_char() {
    assertSplitterIterableIsLazy(COMMA_SPLITTER);
  }

    }
    return new ConcatenatedHashFunction(hashFunctions);
  }

  /**
   * Used to randomize {@link #goodFastHash} instances, so that programs which persist anything
   * dependent on the hash codes they produce will fail sooner.
   */
  @SuppressWarnings("GoodTime") // reading system time without TimeSource
  static final int GOOD_FAST_HASH_SEED = (int) System.currentTimeMillis();

  /**
   * Returns a hash function implementing the <a

        }
    }

    @Nested
    @DisplayName("Downgrade Handling")
    class DowngradeHandlingTests {

        @Test
        @DisplayName("should fail with error when attempting downgrade from 4.1.0 to 4.0.0")
        void shouldFailWhenAttemptingDowngrade() throws Exception {
            String pomXml = """
                <?xml version="1.0" encoding="UTF-8"?>

// names of wrapped devices.
//
// There are currently no graph semantics implemented for registered custom
// devices, so executing tf.functions which contain operations placed on the
// custom devices will fail.
//
// `device_name` must not name an existing physical or custom device. It must
// follow the format:
//
//    /job:<name>/replica:<replica>/task:<task>/device:<type>:<device_num>
//

 *
 * This class is tolerant of some I/O errors. If files are missing from the filesystem, the
 * corresponding entries will be dropped from the cache. If an error occurs while writing a cache
 * value, the edit will fail silently. Callers should handle other problems by catching
 * `IOException` and responding appropriately.
 *
 * @constructor Create a cache which will reside in [directory]. This cache is lazily initialized on

        // CurlHelper not available → exception → caught internally → no throw
        try {
            helper.completeOperation("nonexistent_operation");
        } catch (final Exception e) {
            fail("completeOperation should not throw: " + e.getMessage());
        }
    }

    @Test
    public void test_completeOperation_doubleCall_safe() {

  @Subscribe
  public void hereHaveAString(@Nullable String string) {
    events.add(string);
  }

  public void methodWithoutAnnotation(@Nullable String string) {
    Assert.fail("Event bus must not call methods without @Subscribe!");
  }

  public List<String> getEvents() {
    return events;
  }

      hashFunction.hashBytes(new byte[128], -1, 128);
      Assert.fail();
    } catch (IndexOutOfBoundsException expected) {
    }
    try {
      hashFunction.hashBytes(new byte[128], 64, 256 /* too long len */);
      Assert.fail();
    } catch (IndexOutOfBoundsException expected) {
    }
    try {
      hashFunction.hashBytes(new byte[64], 0, -1);
      Assert.fail();
    } catch (IndexOutOfBoundsException expected) {
    }