* Fix bug where master startup script on GCP failed randomly due to concurrent iptables invocations. ([#55945](https://github.com/kubernetes/kubernetes/pull/55945), [@x13n](https://github.com/x13n))



# v1.8.4

[Documentation](https://docs.k8s.io) & [Examples](https://releases.k8s.io/release-1.8/examples)

*   Masquerading rules are now added by default to GCE/GKE ([#55178](https://github.com/kubernetes/kubernetes/pull/55178),[ @dnardo](https://github.com/dnardo))
*   Fixed master startup issues with concurrent iptables invocations. ([#55945](https://github.com/kubernetes/kubernetes/pull/55945),[ @x13n](https://github.com/x13n))

            byte[] buf = new byte[4280]; // Use maxRecv size

            // Mock initial receive with valid PDU header
            when(mockSmbPipeHandleInternal.recv(buf, 0, buf.length)).thenAnswer(invocation -> {
                byte[] buffer = invocation.getArgument(0);
                buffer[0] = 5; // Valid PDU version
                buffer[1] = 0; // Valid PDU type
                Encdec.enc_uint16le((short) 50, buffer, 8); // Fragment length

     *
     * @param invokerRequest the request containing all necessary information for the invocation
     * @return an integer representing the exit code of the invocation (0 typically indicates success)
     * @throws InvokerException if an error occurs during the invocation process.
     */
    int invoke(@Nonnull InvokerRequest invokerRequest) throws InvokerException;

    /**

    private String since;

    /** Reference the invocation phase of the Mojo. */
    private String executePhase;

    /** Reference the invocation goal of the Mojo. */
    private String executeGoal;

    /** Reference the invocation lifecycle of the Mojo. */
    private String executeLifecycle;

    /**

    /**
     * Indicates whether or not the build could be resumed by a second invocation of Maven.
     * @see BuildResumptionDataRepository
     * @return <code>true</code> when it is possible to resume the build, <code>false</code> otherwise.
     */
    boolean canResume();

    /**
     * Indicate that the build can or cannot be resumed by a second invocation of Maven.

        // Set up mock provider to return TCP memory regions
        when(mockProvider.registerMemory(any(ByteBuffer.class), any())).thenAnswer(invocation -> {
            ByteBuffer buffer = invocation.getArgument(0);
            EnumSet<RdmaAccess> access = invocation.getArgument(1);
            return new TcpMemoryRegion(buffer, access);
        });

        bufferManager = new RdmaBufferManager(mockProvider);
    }

        // Default constructor
    }

    /** Default client invoke names for DBFlute behavior invocation. */
    protected static final String[] DEFAULT_CLIENT_INVOKE_NAMES = { "Page", "Action", "Controller", "ControllerImpl", "Task", "Test" };

    /** Default bypass invoke names for DBFlute behavior invocation. */
    protected static final String[] DEFAULT_BYPASS_INVOKE_NAMES =

  private final int bufferSize;

  /** Number of bytes processed per process() invocation. */
  private final int chunkSize;

  /**
   * Constructor for use by subclasses. This hasher instance will process chunks of the specified
   * size.
   *
   * @param chunkSize the number of bytes available per {@link #process(ByteBuffer)} invocation;
   *     must be at least 4
   */

        when(mockClearScrollBuilder.addScrollId(any(String.class))).thenReturn(mockClearScrollBuilder);
        doAnswer(invocation -> {
            ActionListener<ClearScrollResponse> listener = invocation.getArgument(0);
            listener.onResponse(mock(ClearScrollResponse.class));
            return null;
        }).when(mockClearScrollBuilder).execute(any(ActionListener.class));