**Build scan:**
https://gradle-enterprise.elastic.co/s/xksdnrqjf2zyu/tests/:server:test/org.elasticsearch.cluster.coordination.AtomicRegisterCoordinatorTests/testFollowerDisconnectionWithoutDisconnectEventDetectedQuickly

**Reproduction line:**
```
./gradlew ':server:test' --tests "org.elasticsearch.cluster.coordination.AtomicRegisterCoordinatorTests.testFollowerDisconnectionWithoutDisconnectEventDetectedQuickly" -Dtests.seed=D98DE3FF01622475 -Dtests.locale=fr-CH -Dtests.timezone=Europe/Skopje -Druntime.java=20
```

**Applicable branches:**
main

**Reproduces locally?:**
Yes

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.cluster.coordination.AtomicRegisterCoordinatorTests&tests.test=testFollowerDisconnectionWithoutDisconnectEventDetectedQuickly

**Failure excerpt:**
```
java.lang.AssertionError: node4 has no NO_MASTER_BLOCK
Expected: <false>
     but: was <true>

  at __randomizedtesting.SeedInfo.seed([D98DE3FF01622475:636E5D3BCD9A5B7]:0)
  at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:18)
  at org.junit.Assert.assertThat(Assert.java:956)
  at org.elasticsearch.cluster.coordination.AbstractCoordinatorTestCase$Cluster.stabilise(AbstractCoordinatorTestCase.java:593)
  at org.elasticsearch.cluster.coordination.AbstractCoordinatorTestCase$Cluster.stabilise(AbstractCoordinatorTestCase.java:554)
  at org.elasticsearch.cluster.coordination.CoordinatorTests.testFollowerDisconnectionWithoutDisconnectEventDetectedQuickly(CoordinatorTests.java:437)
  at jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
  at java.lang.reflect.Method.invoke(Method.java:578)
  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:48)
  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:390)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:843)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:490)
  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:390)
  at com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:850)
  at java.lang.Thread.run(Thread.java:1623)

```
server/src/main/java/org/elasticsearch/cluster/coordination/Coordinator.java
if (getLocalNode().isMasterNode() == false) {
            return;
        }
        final TimeValue gracePeriod = TimeValue.ZERO;
        electionScheduler = electionSchedulerFactory.startElectionScheduler(gracePeriod, new Runnable() {
            @Override
            public void run() {
                synchronized (mutex) {
                    if (mode == Mode.CANDIDATE) {
                        final ClusterState lastAcceptedState = coordinationState.get().getLastAcceptedState();
                        if (localNodeMayWinElection(lastAcceptedState) == false) {
                            logger.trace("skip prevoting as local node may not win election: {}", lastAcceptedState.coordinationMetadata());
                            return;
                        }
                        final StatusInfo statusInfo = nodeHealthService.getHealth();
                        if (statusInfo.getStatus() == UNHEALTHY) {
                            logger.debug("skip prevoting as local node is unhealthy: [{}]", statusInfo.getInfo());
                            return;
                        }
                        if (prevotingRound != null) {
                            prevotingRound.close();
                        }
                        prevotingRound = preVoteCollector.start(lastAcceptedState, getDiscoveredNodes());
                    }
                }
            }
            @Override
            public String toString() {
                return "scheduling of new prevoting round";
            }