AdminMultiHostTest, CLITest, HealthcheckTest and PulsarFunctionsProcessTest failed

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Details:

https://builds.apache.org/job/pulsar_precommit_integrationtests/10076/console

2019-08-20\T\09:17:15.789 [ERROR] Failures: 
2019-08-20\T\09:17:15.789 [ERROR] org.apache.pulsar.tests.integration.cli.AdminMultiHostTest.testAdminMultiHost(org.apache.pulsar.tests.integration.cli.AdminMultiHostTest)
2019-08-20\T\09:17:15.789 [INFO]   Run 1: PASS
2019-08-20\T\09:17:15.790 [ERROR]   Run 2: AdminMultiHostTest.testAdminMultiHost:69->waitBrokerDown:90 » Execution org.ap...
2019-08-20\T\09:17:15.790 [INFO] 
2019-08-20\T\09:17:15.790 [ERROR] org.apache.pulsar.tests.integration.cli.CLITest.pulsar-test-suite(org.apache.pulsar.tests.integration.cli.CLITest)
2019-08-20\T\09:17:15.790 [INFO]   Run 1: PASS
2019-08-20\T\09:17:15.790 [INFO]   Run 2: PASS
2019-08-20\T\09:17:15.791 [INFO]   Run 3: PASS
2019-08-20\T\09:17:15.791 [INFO]   Run 4: PASS
2019-08-20\T\09:17:15.791 [INFO]   Run 5: PASS
2019-08-20\T\09:17:15.791 [INFO]   Run 6: PASS
2019-08-20\T\09:17:15.791 [INFO]   Run 7: PASS
2019-08-20\T\09:17:15.791 [INFO]   Run 8: PASS
2019-08-20\T\09:17:15.792 [ERROR]   Run 9: CLITest.testTopicTerminationOnTopicsWithoutConnectedConsumers » ContainerExec ...
2019-08-20\T\09:17:15.792 [INFO] 
2019-08-20\T\09:17:15.792 [ERROR] org.apache.pulsar.tests.integration.cli.HealthcheckTest.testEverythingOK(org.apache.pulsar.tests.integration.cli.HealthcheckTest)
2019-08-20\T\09:17:15.792 [INFO]   Run 1: PASS
2019-08-20\T\09:17:15.793 [ERROR]   Run 2: HealthcheckTest.testEverythingOK » ContainerExec /pulsar/bin/pulsar-admin brok...
2019-08-20\T\09:17:15.793 [INFO] 
2019-08-20\T\09:17:15.793 [ERROR] org.apache.pulsar.tests.integration.functions.PulsarFunctionsProcessTest.pulsar-test-suite(org.apache.pulsar.tests.integration.functions.PulsarFunctionsProcessTest)
2019-08-20\T\09:17:15.793 [ERROR]   Run 1: PulsarFunctionsProcessTest>PulsarFunctionsTestBase.setupFunctionWorkers:58 » ContainerLaunch

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#4963