Peach_pit, M71-11151.24.0

https://stainless.corp.google.com/search?view=matrix&row=test&col=build&first_date=2018-11-06&last_date=2018-11-19&suite=wifi_matfunc&build=R71-11151.24.0&board=peach&exclude_cts=false&exclude_not_run=false&exclude_non_release=true&exclude_au=true&exclude_acts=true&exclude_retried=true&exclude_non_production=false

Sample traceback:
Traceback (most recent call last):
11/19 15:04:39.364 INFO | test_runner_utils:0259| autoserv| File "/mnt/host/source/src/third_party/autotest/files/client/common_lib/test.py", line 600, in _exec
11/19 15:04:39.364 INFO | test_runner_utils:0259| autoserv| _call_test_function(self.execute, *p_args, **p_dargs)
11/19 15:04:39.365 INFO | test_runner_utils:0259| autoserv| File "/mnt/host/source/src/third_party/autotest/files/client/common_lib/test.py", line 800, in _call_test_function
11/19 15:04:39.365 INFO | test_runner_utils:0259| autoserv| return func(*args, **dargs)
11/19 15:04:39.365 INFO | test_runner_utils:0259| autoserv| File "/mnt/host/source/src/third_party/autotest/files/client/common_lib/test.py", line 464, in execute
11/19 15:04:39.366 INFO | test_runner_utils:0259| autoserv| postprocess_profiled_run, args, dargs)
11/19 15:04:39.366 INFO | test_runner_utils:0259| autoserv| File "/mnt/host/source/src/third_party/autotest/files/client/common_lib/test.py", line 371, in _call_run_once
11/19 15:04:39.367 INFO | test_runner_utils:0259| autoserv| self.run_once(*args, **dargs)
11/19 15:04:39.367 INFO | test_runner_utils:0259| autoserv| File "/mnt/host/source/src/third_party/autotest/files/server/site_tests/network_WiFi_Reset/network_WiFi_Reset.py", line 151, in run_once
11/19 15:04:39.368 INFO | test_runner_utils:0259| autoserv| self.context.assert_ping_from_dut()
11/19 15:04:39.368 INFO | test_runner_utils:0259| autoserv| File "/mnt/host/source/src/third_party/autotest/files/server/cros/network/wifi_test_context_manager.py", line 303, in assert_ping_from_dut
11/19 15:04:39.369 INFO | test_runner_utils:0259| autoserv| self.client.ping(ping_config)
11/19 15:04:39.369 INFO | test_runner_utils:0259| autoserv| File "/mnt/host/source/src/third_party/autotest/files/server/site_linux_system.py", line 739, in ping
11/19 15:04:39.369 INFO | test_runner_utils:0259| autoserv| return self._ping_runner.ping(ping_config)
11/19 15:04:39.370 INFO | test_runner_utils:0259| autoserv| File "/mnt/host/source/src/third_party/autotest/files/client/common_lib/cros/network/ping_runner.py", line 368, in ping
11/19 15:04:39.370 INFO | test_runner_utils:0259| autoserv| raise error.TestFail('Lost ping packets: %r.' % ping_result)
11/19 15:04:39.371 INFO | test_runner_utils:0259| autoserv| TestFail: Lost ping packets: PingResult(received=1, max_latency=4.771, loss=90.0, min_latency=4.771, dev_latency=0.0, avg_latency=4.771, sent=10).