- `kubectl diff` now returns 1 only on diff finding changes, and >1 on kubectl errors. The "exit status code 1" message has also been muted. ([#87437](https://github.com/kubernetes/kubernetes/pull/87437), [@apelisse](https://github.com/apelisse)) [SIG CLI and Testing]

## Dependencies

    during shape inference in `Cudnn*` ops
    ([CVE-2021-41221](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41221))
*   Fixes a null pointer exception when `Exit` node is not preceded by `Enter`
    op
    ([CVE-2021-41217](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41217))
*   Fixes an integer division by 0 in `tf.raw_ops.AllToAll`

	globalConsoleSys = NewConsoleLogger(context.Background(), io.Discard)

	globalInternodeTransport = NewInternodeHTTPTransport(0)()

	initHelp()

	resetTestGlobals()

	globalIsCICD = true

	os.Exit(m.Run())
}

// concurrency level for certain parallel tests.
const testConcurrencyLevel = 10

const iso8601TimeFormat = "2006-01-02T15:04:05.000Z"

- Fixed bug where a nonzero exit code was returned when initializing zsh completion even though zsh completion was successfully initialized ([#88165](https://github.com/kubernetes/kubernetes/pull/88165), [@brianpursley](https://github.com/brianpursley)) [SIG CLI]

			return
		case <-c:
			buf := make([]byte, 1<<20)
			stacklen := runtime.Stack(buf, true)
			fmt.Printf("=== Timeout, assuming deadlock ===\n*** goroutine dump...\n%s\n*** end\n", string(buf[:stacklen]))
			os.Exit(2)
		}
	}()
	return func() {
		close(cc)
	}

			return
		case <-c:
			buf := make([]byte, 1<<20)
			stacklen := runtime.Stack(buf, true)
			fmt.Printf("=== Timeout, assuming deadlock ===\n*** goroutine dump...\n%s\n*** end\n", string(buf[:stacklen]))
			os.Exit(2)
		}
	}()
	return func() {
		close(cc)
	}
}

func assertNoActive(t *testing.T, c *Connection) {
	t.Helper()
	// Tiny bit racy for tests, but we try to play nice.

  if bazel_executable is None:
    bazel_executable = shutil.which('bazelisk')
    if bazel_executable is None:
      print('Cannot find bazel. Please install bazel/bazelisk.')
      sys.exit(1)

  stderr = open(os.devnull, 'wb')
  curr_version = run_shell([bazel_executable, '--version'],
                           allow_non_zero=True,
                           stderr=stderr)

- Increased log level to 2 for IPVS graceful termination ([#78395](https://github.com/kubernetes/kubernetes/pull/78395), [@andrewsykim](https://github.com/andrewsykim))
- kube-proxy: os exit when CleanupAndExit is set to true ([#76732](https://github.com/kubernetes/kubernetes/pull/76732), [@JieJhih](https://github.com/JieJhih))

- The `kubectl patch` command no longer exits with exit code 1 when a redundant patch results in a no-op ([#66725](https://github.com/kubernetes/kubernetes/pull/66725), [@juanvallejo](https://github.com/juanvallejo))

						continue
					}
					// fmt.Println("part ", part, "other part", otherPart, other[0])
					fmt.Printf("Reading version %q Part %d.\n", otherKey, otherPart)
					// os.Exit(0)
					otherM, err := readAndMap(other, part, block)
					if err != nil {
						fmt.Println(err)
						continue
					}
					if m.objSize != otherM.objSize {
						continue
					}