https://luci-milo.appspot.com/buildbot/chromeos/nyan_big-paladin/4473




02/28 00:27:26.969 INFO |        server_job:0218| 	ABORT	----	----	timestamp=1519806446	localtime=Feb 28 00:27:26	Autotest client terminated unexpectedly: DUT is pingable, SSHable and did NOT restart un-expectedly. We probably lost connectivity during the test.



02/28 00:27:29.039 ERROR|        server_job:0895| Exception escaped control file, job aborting:
Traceback (most recent call last):
  File "/usr/local/autotest/server/server_job.py", line 884, in run
    self._execute_code(server_control_file, namespace)
  File "/usr/local/autotest/server/server_job.py", line 1396, in _execute_code
    execfile(code_file, namespace, namespace)
  File "/usr/local/autotest/results/179928994-chromeos-test/chromeos4-row5-rack9-host21/control.srv", line 10, in <module>
    job.parallel_simple(run_client, machines)
  File "/usr/local/autotest/server/server_job.py", line 688, in parallel_simple
    log=log, timeout=timeout, return_results=return_results)
  File "/usr/local/autotest/server/subcommand.py", line 98, in parallel_simple
    function(arg)
  File "/usr/local/autotest/results/179928994-chromeos-test/chromeos4-row5-rack9-host21/control.srv", line 7, in run_client
    at.run(control, host=host, use_packaging=use_packaging)
  File "/usr/local/autotest/server/autotest.py", line 509, in run
    client_disconnect_timeout, use_packaging=use_packaging)
  File "/usr/local/autotest/server/autotest.py", line 592, in _do_run
    client_disconnect_timeout=client_disconnect_timeout)
  File "/usr/local/autotest/server/autotest.py", line 1135, in execute_control
    raise error.AutotestRunError(msg)
AutotestRunError: Aborting - unexpected final status message from client on chromeos4-row5-rack9-host21

02/28 00:27:29.039 INFO |        server_job:0218| INFO	----	----	timestamp=1519806449	job_abort_reason=Aborting - unexpected final status message from client on chromeos4-row5-rack9-host21


the dut is reachable now and running other tests. open the bug for cq annotation.