Always get coredump by add a health check on docker container app

I0227 09:20:02.624827 22345 exec.cpp:162] Version: 1.1.0
I0227 09:20:02.651790 22347 exec.cpp:237] Executor registered on agent f2aeab4d-b224-479c-869d-121daa0c12cb-S0
I0227 09:20:02.656651 22347 docker.cpp:811] Running docker -H unix:///var/run/docker.sock run --privileged --cpu-shares 2048 --memory 33554432 -e WORDPRESS_DB_HOST=192.168.1.210 -e WORDPRESS_DB_PASSWORD=root -e MESOS_SANDBOX=/mnt/mesos/sandbox -e MESOS_CONTAINER_NAME=mesos-f2aeab4d-b224-479c-869d-121daa0c12cb-S0.8f6de3ab-0e85-434a-a099-d16f9654a10c -v /home:/data:rw -v /var/lib/mesos/slaves/f2aeab4d-b224-479c-869d-121daa0c12cb-S0/frameworks/67b3106e-fe2b-4eaa-8dcc-51653d027738-0001/executors/0-wordpress4-nmg-nmgtest-55ba456bf6eb4e979610f5ec1fb23980/runs/8f6de3ab-0e85-434a-a099-d16f9654a10c:/mnt/mesos/sandbox --net bridge --label=APP_ID=wordpress --label=USER=nmg --label=CLUSTER=nmgtest --label=SLOT=0 --label=APP=wordpress4 -p 31000:8080/tcp --name mesos-f2aeab4d-b224-479c-869d-121daa0c12cb-S0.8f6de3ab-0e85-434a-a099-d16f9654a10c wordpress
WordPress not found in /var/www/html - copying now...
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MySQL Connection Error: (2002) Connection refused

MySQL Connection Error: (2002) Connection refused

MySQL Connection Error: (2002) Connection refused

MySQL Connection Error: (2002) Connection refused

MySQL Connection Error: (2002) Connection refused
W0227 09:20:18.425110 22353 health_checker.cpp:205] Health check failed 1 times consecutively: HTTP health check failed: curl returned exited with status 7: curl: (7) Failed connect to 127.0.0.1:8080; Connection refused
W0227 09:20:19.535784 22347 health_checker.cpp:205] Health check failed 2 times consecutively: HTTP health check failed: curl returned exited with status 7: curl: (7) Failed connect to 127.0.0.1:8080; Connection refused

MySQL Connection Error: (2002) Connection refused
W0227 09:20:20.646812 22350 health_checker.cpp:205] Health check failed 3 times consecutively: HTTP health check failed: curl returned exited with status 7: curl: (7) Failed connect to 127.0.0.1:8080; Connection refused
W0227 09:20:21.758222 22353 health_checker.cpp:205] Health check failed 4 times consecutively: HTTP health check failed: curl returned exited with status 7: curl: (7) Failed connect to 127.0.0.1:8080; Connection refused
W0227 09:20:22.773813 22349 health_checker.cpp:205] Health check failed 5 times consecutively: HTTP health check failed: curl returned exited with status 7: curl: (7) Failed connect to 127.0.0.1:8080; Connection refused

MySQL Connection Error: (2002) Connection refused
W0227 09:20:23.883586 22352 health_checker.cpp:205] Health check failed 6 times consecutively: HTTP health check failed: curl returned exited with status 7: curl: (7) Failed connect to 127.0.0.1:8080; Connection refused
W0227 09:20:24.994628 22350 health_checker.cpp:205] Health check failed 7 times consecutively: HTTP health check failed: curl returned exited with status 7: curl: (7) Failed connect to 127.0.0.1:8080; Connection refused
W0227 09:20:26.106149 22352 health_checker.cpp:205] Health check failed 8 times consecutively: HTTP health check failed: curl returned exited with status 7: curl: (7) Failed connect to 127.0.0.1:8080; Connection refused

MySQL Connection Error: (2002) Connection refused
W0227 09:20:27.218143 22351 health_checker.cpp:205] Health check failed 9 times consecutively: HTTP health check failed: curl returned exited with status 7: curl: (7) Failed connect to 127.0.0.1:8080; Connection refused
W0227 09:20:28.329988 22350 health_checker.cpp:205] Health check failed 10 times consecutively: HTTP health check failed: curl returned exited with status 7: curl: (7) Failed connect to 127.0.0.1:8080; Connection refused
W0227 09:20:29.440842 22348 health_checker.cpp:205] Health check failed 11 times consecutively: HTTP health check failed: curl returned exited with status 7: curl: (7) Failed connect to 127.0.0.1:8080; Connection refused

MySQL Connection Error: (2002) Connection refused
W0227 09:20:30.554321 22348 health_checker.cpp:205] Health check failed 12 times consecutively: HTTP health check failed: curl returned exited with status 7: curl: (7) Failed connect to 127.0.0.1:8080; Connection refused
W0227 09:20:31.664559 22347 health_checker.cpp:205] Health check failed 13 times consecutively: HTTP health check failed: curl returned exited with status 7: curl: (7) Failed connect to 127.0.0.1:8080; Connection refused

MySQL Connection Error: (2002) Connection refused
F0227 09:20:32.666734 22601 health_checker.cpp:94] Failed to enter the net namespace of task (pid: '22392'): Pid 22392 does not exist
*** Check failure stack trace: ***
    @     0x7f9b33f07862  google::LogMessage::Fail()
    @     0x7f9b33f077c1  google::LogMessage::SendToLog()
    @     0x7f9b33f071d2  google::LogMessage::Flush()
    @     0x7f9b33f09f06  google::LogMessageFatal::~LogMessageFatal()
    @     0x7f9b32c98b28  _ZZN5mesos8internal6health14cloneWithSetnsERKSt8functionIFivEE6OptionIiERKSt6vectorISsSaISsEEENKUlvE_clEv
    @     0x7f9b32c9fbc3  _ZNSt17_Function_handlerIFivEZN5mesos8internal6health14cloneWithSetnsERKSt8functionIS0_E6OptionIiERKSt6vectorISsSaISsEEEUlvE_E9_M_invokeERKSt9_Any_data
    @           0x4e44c0  std::function<>::operator()()
    @     0x7f9b32ca1652  process::defaultClone()
    @     0x7f9b32c98e4c  mesos::internal::health::cloneWithSetns()
    @     0x7f9b32caf2bc  _ZNSt5_BindIFPFiRKSt8functionIFivEE6OptionIiERKSt6vectorISsSaISsEEESt12_PlaceholderILi1EES6_S9_EE6__callIiIS4_EILm0ELm1ELm2EEEET_OSt5tupleIIDpT0_EESt12_Index_tupleIIXspT1_EEE
    @     0x7f9b32cac55d  _ZNSt5_BindIFPFiRKSt8functionIFivEE6OptionIiERKSt6vectorISsSaISsEEESt12_PlaceholderILi1EES6_S9_EEclIJS4_EiEET0_DpOT_
    @     0x7f9b32ca8ad1  std::_Function_handler<>::_M_invoke()
    @     0x7f9b33ec4b8b  std::function<>::operator()()
    @     0x7f9b33ec3174  process::internal::cloneChild()
    @     0x7f9b33ec113e  process::subprocess()
    @     0x7f9b32c9c44c  mesos::internal::health::HealthCheckerProcess::_httpHealthCheck()
    @     0x7f9b32c9a269  mesos::internal::health::HealthCheckerProcess::_healthCheck()
    @     0x7f9b32ca6344  _ZZN7process8dispatchIN5mesos8internal6health20HealthCheckerProcessEEEvRKNS_3PIDIT_EEMS6_FvvEENKUlPNS_11ProcessBaseEE_clESD_
    @     0x7f9b32cac6fe  _ZNSt17_Function_handlerIFvPN7process11ProcessBaseEEZNS0_8dispatchIN5mesos8internal6health20HealthCheckerProcessEEEvRKNS0_3PIDIT_EEMSA_FvvEEUlS2_E_E9_M_invokeERKSt9_Any_dataS2_
    @     0x7f9b33e76211  std::function<>::operator()()
    @     0x7f9b33e58a81  process::ProcessBase::visit()
    @     0x7f9b33e60c64  process::DispatchEvent::visit()
    @           0x4d499a  process::ProcessBase::serve()
    @     0x7f9b33e54e7b  process::ProcessManager::resume()
    @     0x7f9b33e51b69  _ZZN7process14ProcessManager12init_threadsEvENKUt_clEv
    @     0x7f9b33e6040c  _ZNSt12_Bind_simpleIFZN7process14ProcessManager12init_threadsEvEUt_vEE9_M_invokeIIEEEvSt12_Index_tupleIIXspT_EEE
    @     0x7f9b33e60363  _ZNSt12_Bind_simpleIFZN7process14ProcessManager12init_threadsEvEUt_vEEclEv
    @     0x7f9b33e602fc  _ZNSt6thread5_ImplISt12_Bind_simpleIFZN7process14ProcessManager12init_threadsEvEUt_vEEE6_M_runEv
    @     0x7f9b2e7bf220  (unknown)
    @     0x7f9b2ea19dc5  start_thread
    @     0x7f9b2df2873d  __clone
W0227 09:20:33.082443 22351 health_checker.cpp:205] Health check failed 14 times consecutively: HTTP health check failed: curl returned terminated with signal Aborted: