HWTest failure:

https://uberchromegw.corp.google.com/i/chromeos/builders/veyron_minnie-cheets-chrome-pfq/builds/492


probably this is the reason:

08/01 15:20:12.237 DEBUG|        base_utils:0278| [stdout] cryptohomed stop/waiting
08/01 15:20:12.239 DEBUG|        base_utils:0185| Running 'status chapsd'
08/01 15:20:12.259 DEBUG|        base_utils:0185| Running 'stop chapsd'
08/01 15:20:12.347 ERROR|        base_utils:0278| [stderr] stop: Unknown instance: 
08/01 15:20:12.360 WARNI|   service_stopper:0071| Error stopping service chapsd. Command <stop chapsd> failed, rc=1, Command returned non-zero exit status
* Command: 
    stop chapsd
Exit status: 1
Duration: 0.0842130184174

stderr:
stop: Unknown instance:
08/01 15:20:12.367 DEBUG|        base_utils:0185| Running 'status tcsd'
08/01 15:20:12.389 DEBUG|        base_utils:0185| Running 'tpmc raw 00 c1 00 00 00 16 00 00 00 65 00 00 00 10 00 00 00 04 00 00 08 02'
08/01 15:20:12.457 DEBUG|        base_utils:0185| Running 'start cryptohomed'
08/01 15:20:12.482 ERROR|exception_formatte:0057| 
08/01 15:20:12.489 ERROR|exception_formatte:0060| Traceback (most recent call last):
08/01 15:20:12.496 ERROR|exception_formatte:0063|   <module> at /usr/local/autotest/bin/autotest:97
08/01 15:20:12.502 ERROR|exception_formatte:0064|     job.runjob(os.path.realpath(args[0]), drop_caches, options)
08/01 15:20:12.509 ERROR|exception_formatte:0063|   runjob at /usr/local/autotest/bin/job.py:1166
08/01 15:20:12.517 ERROR|exception_formatte:0064|     myjob.step_engine()
08/01 15:20:12.524 ERROR|exception_formatte:0063|   step_engine at /usr/local/autotest/bin/job.py:1013
08/01 15:20:12.531 ERROR|exception_formatte:0064|     execfile(self.control, global_control_vars, global_control_vars)
08/01 15:20:12.538 ERROR|exception_formatte:0063|   <module> at /usr/local/autotest/control.autoserv:18
08/01 15:20:12.545 ERROR|exception_formatte:0064|     job.run_test('cheets_ContainerSmokeTest')
08/01 15:20:12.551 ERROR|exception_formatte:0063|   run_test at /usr/local/autotest/bin/site_job.py:26
08/01 15:20:12.557 ERROR|exception_formatte:0064|     passed = base_client_job.run_test(self, url, *args, **dargs)
08/01 15:20:12.563 ERROR|exception_formatte:0063|   wrapped at /usr/local/autotest/bin/job.py:45
08/01 15:20:12.569 ERROR|exception_formatte:0064|     return f(self, *args, **dargs)
08/01 15:20:12.575 ERROR|exception_formatte:0063|   run_test at /usr/local/autotest/bin/job.py:541
08/01 15:20:12.581 ERROR|exception_formatte:0064|     self._rungroup(subdir, testname, group_func, timeout)
08/01 15:20:12.587 ERROR|exception_formatte:0063|   _rungroup at /usr/local/autotest/bin/job.py:600