Once SRVKS-211 was solved (hopefully OCP 4.10), we need to update the following section in the docs:
https://docs.openshift.com/container-platform/4.9/serverless/develop/serverless-applications.html#interacting-serverless-apps-http2-gRPC_serverless-applications
Draft: https://docs.google.com/document/d/1UGZqM5OGgXdfjPzf1jxb7bk7JigBF8rkBMtumWygRmw/edit#heading=h.a7hcil3vwabp
SRVKS-211 gRPC and HTTP2 do not work against routes
openshift/openshift-docs#58177: [SRVKS-869] Document gRPC over HTTP2 for 4.10+
openshift/openshift-docs#58506: [enterprise-4.13] [SRVKS-869] Document gRPC over HTTP2 for 4.10+
openshift/openshift-docs#58508: [enterprise-4.12] [SRVKS-869] Document gRPC over HTTP2 for 4.10+
openshift/openshift-docs#58509: [enterprise-4.11] [SRVKS-869] Document gRPC over HTTP2 for 4.10+
openshift/openshift-docs#58510: [enterprise-4.10] [SRVKS-869] Document gRPC over HTTP2 for 4.10+
openshift/openshift-docs#58512: [enterprise-4.9] [SRVKS-869] Document gRPC over HTTP2 for 4.10+