**Build scan:**
https://gradle-enterprise.elastic.co/s/25sfuxxbfq63s/tests/:server:internalClusterTest/org.elasticsearch.readiness.ReadinessClusterIT/testReadinessDuringRestartsNormalOrder

**Reproduction line:**
`./gradlew ':server:internalClusterTest' --tests "org.elasticsearch.readiness.ReadinessClusterIT.testReadinessDuringRestartsNormalOrder" -Dtests.seed=48E77C708ACFAACB -Dtests.locale=lt -Dtests.timezone=Pacific/Auckland -Druntime.java=17`

**Applicable branches:**
master

**Reproduces locally?:**
No

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.readiness.ReadinessClusterIT&tests.test=testReadinessDuringRestartsNormalOrder

**Failure excerpt:**
```
junit.framework.AssertionFailedError: Expected exception IOException but no exception was thrown

  at org.apache.lucene.tests.util.LuceneTestCase.expectThrows(LuceneTestCase.java:2895)
  at org.apache.lucene.tests.util.LuceneTestCase.expectThrows(LuceneTestCase.java:2881)
  at org.elasticsearch.test.readiness.ReadinessClientProbe.lambda$tcpReadinessProbeFalse$2(ReadinessClientProbe.java:69)
  at java.security.AccessController.doPrivileged(AccessController.java:318)
  at org.elasticsearch.test.readiness.ReadinessClientProbe.tcpReadinessProbeFalse(ReadinessClientProbe.java:68)
  at org.elasticsearch.test.readiness.ReadinessClientProbe.tcpReadinessProbeFalse(ReadinessClientProbe.java:60)
  at org.elasticsearch.readiness.ReadinessClusterIT$2.onNodeStopped(ReadinessClusterIT.java:136)
  at org.elasticsearch.test.InternalTestCluster$NodeAndClient.closeForRestart(InternalTestCluster.java:1001)
  at org.elasticsearch.test.InternalTestCluster.restartNode(InternalTestCluster.java:1873)
  at org.elasticsearch.test.InternalTestCluster.restartNode(InternalTestCluster.java:1840)
  at org.elasticsearch.readiness.ReadinessClusterIT.testReadinessDuringRestartsNormalOrder(ReadinessClusterIT.java:129)
  at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2)
  at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
  at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:568)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1758)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:946)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:982)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:996)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:44)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:45)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:375)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:824)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:475)
  at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:955)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:840)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:891)
  at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:902)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:38)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at org.apache.lucene.tests.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
  at org.apache.lucene.tests.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:43)
  at org.apache.lucene.tests.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:44)
  at org.apache.lucene.tests.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:60)
  at org.apache.lucene.tests.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:47)
  at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:375)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:831)
  at java.lang.Thread.run(Thread.java:833)

```
server/src/main/java/org/elasticsearch/readiness/ReadinessService.java
synchronized void startListener() {
        assert enabled(environment);
        if (this.serverChannel != null || this.active == false) {
            return;
        }
        this.serverChannel = setupSocket();
        this.listenerThreadLatch = new CountDownLatch(1);
        new Thread(() -> {
            assert serverChannel != null && listenerThreadLatch != null;
            try {
                while (serverChannel.isOpen()) {
                    AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
                        try (SocketChannel channel = serverChannel.accept()) {} catch (IOException e) {
                            logger.debug("encountered exception while responding to readiness check request", e);
                        } catch (Exception other) {
                            logger.warn("encountered unknown exception while responding to readiness check request", other);
                        }
                        return null;
                    });
                }
            } finally {
                listenerThreadLatch.countDown();
            }
        }, "elasticsearch[readiness-service]").start();
        logger.info("readiness service up and running on {}", boundAddress().publishAddress());
    }
    @Override
    protected void doStop() {
        this.active = false;