https://source.cloud.google.com/results/invocations/7d29e2c6-51d6-4a63-9320-bcb4b2c36ef4/targets/github%2Fgrpc%2Finterop_test/tests;group=tests;test=cloud_to_cloud:aspnetcore:ruby_server:cancel_after_begin:tls;row=1

There are a large number of test failures, and they all involve ruby as either the client or the server.