err_http2_protocol_error

We are still working with it, but they found that responses were exceeding thresholds of maximum number of headers and total header table size. increasing these has helped but still tweaking. Finding RFC violations on the responses from our applications.

1. extending the http profile max-header-count to 80 does not resolve the issue, then it's likely to be the http/2 profile header-table size.
2. Leave the http profile max-header-count at 80 and increase the http/2 profile header-table-size to 6000 (or more) and test again.