i18422-log-0x001

### Log
D0325 17:54:23.615673000 140735848788864 dns_resolver_ares.cc:488]     Using ares dns resolver
I0325 17:54:23.615757000 140735848788864 init.cc:154]                  grpc_init(void)
I0325 17:54:23.615826000 140735848788864 ssl_credentials.cc:128]       grpc_ssl_credentials_create(pem_root_certs=(null), pem_key_cert_pair=0x0, verify_options=0x0, reserved=0x0)
I0325 17:54:23.615834000 140735848788864 init.cc:154]                  grpc_init(void)
I0325 17:54:23.615838000 140735848788864 plugin_credentials.cc:249]    grpc_metadata_credentials_create_from_plugin(reserved=0x0)
I0325 17:54:23.615846000 140735848788864 composite_credentials.cc:206] grpc_composite_channel_credentials_create(channel_creds=0x7fe96fd10d50, call_creds=0x7fe96fad8a10, reserved=0x0)
I0325 17:54:23.615852000 140735848788864 credentials.cc:43]            grpc_channel_credentials_release(creds=0x7fe96fd10d50)
I0325 17:54:23.615874000 140735848788864 credentials.cc:49]            grpc_call_credentials_release(creds=0x7fe96fad8a10)
I0325 17:54:23.615879000 140735848788864 secure_channel_create.cc:197] grpc_secure_channel_create(creds=0x7fe96fd04e80, target=monitoring.googleapis.com:443, args=0x106c24da0, reserved=0x0)
Segmentation fault: 11


### Stack trace
* thread #1, stop reason = signal SIGSTOP
  * frame #0: 0x0000000110e47934 cygrpc.so`grpc_channel_args_copy_and_add_and_remove(grpc_channel_args const*, char const**, unsigned long, grpc_arg const*, unsigned long) + 84
    frame #1: 0x0000000110ecd60e cygrpc.so`client_channel_factory_create_channel(grpc_client_channel_factory*, char const*, grpc_client_channel_type, grpc_channel_args const*) + 110
    frame #2: 0x0000000110ecd4e1 cygrpc.so`grpc_secure_channel_create + 353
    frame #3: 0x0000000110d020b6 cygrpc.so`__pyx_tp_new_4grpc_7_cython_6cygrpc_Channel(_typeobject*, _object*, _object*) + 662
    frame #4: 0x000000010ff15182 Python`type_call + 50
    frame #5: 0x000000010febc7e3 Python`PyObject_Call + 99
    frame #6: 0x000000010ff5fb90 Python`PyEval_EvalFrameEx + 29392
    frame #7: 0x000000010ff585b2 Python`PyEval_EvalCodeEx + 1538
    frame #8: 0x000000010fee2b9c Python`function_call + 364
    frame #9: 0x000000010febc7e3 Python`PyObject_Call + 99
    frame #10: 0x000000010fec9b96 Python`instancemethod_call + 182
    frame #11: 0x000000010febc7e3 Python`PyObject_Call + 99
    frame #12: 0x000000010ff1928d Python`slot_tp_init + 141
    frame #13: 0x000000010ff152a3 Python`type_call + 339
    frame #14: 0x000000010febc7e3 Python`PyObject_Call + 99
    frame #15: 0x000000010ff5fb90 Python`PyEval_EvalFrameEx + 29392
    frame #16: 0x000000010ff585b2 Python`PyEval_EvalCodeEx + 1538
    frame #17: 0x000000010fee2b9c Python`function_call + 364
    frame #18: 0x000000010febc7e3 Python`PyObject_Call + 99
    frame #19: 0x000000010ff60602 Python`PyEval_EvalFrameEx + 32066
    frame #20: 0x000000010ff585b2 Python`PyEval_EvalCodeEx + 1538
    frame #21: 0x000000010ff64de5 Python`fast_function + 117
    frame #22: 0x000000010ff5fab4 Python`PyEval_EvalFrameEx + 29172
    frame #23: 0x000000010ff585b2 Python`PyEval_EvalCodeEx + 1538
    frame #24: 0x000000010ff64de5 Python`fast_function + 117
    frame #25: 0x000000010ff5fab4 Python`PyEval_EvalFrameEx + 29172
    frame #26: 0x000000010ff585b2 Python`PyEval_EvalCodeEx + 1538
    frame #27: 0x000000010fee2b9c Python`function_call + 364
    frame #28: 0x000000010febc7e3 Python`PyObject_Call + 99
    frame #29: 0x000000010fec9b96 Python`instancemethod_call + 182
    frame #30: 0x000000010febc7e3 Python`PyObject_Call + 99
    frame #31: 0x000000010ff1928d Python`slot_tp_init + 141
    frame #32: 0x000000010ff152a3 Python`type_call + 339
    frame #33: 0x000000010febc7e3 Python`PyObject_Call + 99
    frame #34: 0x000000010ff5fb90 Python`PyEval_EvalFrameEx + 29392
    frame #35: 0x000000010ff585b2 Python`PyEval_EvalCodeEx + 1538
    frame #36: 0x000000010fee2b9c Python`function_call + 364
    frame #37: 0x000000010febc7e3 Python`PyObject_Call + 99
    frame #38: 0x000000010fec9b96 Python`instancemethod_call + 182
    frame #39: 0x000000010febc7e3 Python`PyObject_Call + 99
    frame #40: 0x000000010ff1928d Python`slot_tp_init + 141
    frame #41: 0x000000010ff152a3 Python`type_call + 339
    frame #42: 0x000000010febc7e3 Python`PyObject_Call + 99
    frame #43: 0x000000010ff5fb90 Python`PyEval_EvalFrameEx + 29392
    frame #44: 0x000000010ff64e82 Python`fast_function + 274
    frame #45: 0x000000010ff5fab4 Python`PyEval_EvalFrameEx + 29172
    frame #46: 0x000000010ff585b2 Python`PyEval_EvalCodeEx + 1538
    frame #47: 0x000000010ff57fa6 Python`PyEval_EvalCode + 54
    frame #48: 0x000000010ff86e24 Python`PyRun_FileExFlags + 164
    frame #49: 0x000000010ff869a1 Python`PyRun_SimpleFileExFlags + 769
    frame #50: 0x000000010ff9c5e8 Python`Py_Main + 3096
    frame #51: 0x00007fff65a1f015 libdyld.dylib`start + 1
    frame #52: 0x00007fff65a1f015 libdyld.dylib`start + 1
  thread #2, stop reason = signal SIGSTOP
    frame #0: 0x00007fff65b6fa16 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff65d38589 libsystem_pthread.dylib`_pthread_cond_wait + 732
    frame #2: 0x0000000110e44c88 cygrpc.so`gpr_cv_wait + 120
    frame #3: 0x0000000110e6ad64 cygrpc.so`timer_thread(void*) + 468
    frame #4: 0x0000000110e4638d cygrpc.so`grpc_core::(anonymous namespace)::ThreadInternalsPosix::ThreadInternalsPosix(char const*, void (*)(void*), void*, bool*)::'lambda'(void*)::__invoke(void*) + 125
    frame #5: 0x00007fff65d37661 libsystem_pthread.dylib`_pthread_body + 340
    frame #6: 0x00007fff65d3750d libsystem_pthread.dylib`_pthread_start + 377
    frame #7: 0x00007fff65d36bf9 libsystem_pthread.dylib`thread_start + 13