seen in https://grpc-testing.appspot.com/job/gRPC_pull_requests_linux/1453/testReport/junit/(root)/aggregate_tests/run_tests_python_linux_opt/ copy of log in https://gist.github.com/apolcyn/4a2d83fd7880f04f3e57856e522b0add
