I did this

Observing flakiness in CI runs with the job GHA/http3-linux AM OpenSSL.

(can't recall seeing it with other TLS backends.)

Recent examples:

FAILED ../../tests/http/test_17_ssl_use.py::TestSSLUse::test_17_20_correct_pin[h3]:
https://github.com/curl/curl/actions/runs/19306249337/job/55214447287?pr=19500
https://github.com/curl/curl/actions/runs/19297514544/job/55183127793?pr=19488
https://github.com/curl/curl/actions/runs/19295662224/job/55176905004
https://github.com/curl/curl/actions/runs/19249221443/job/55030427266
https://github.com/curl/curl/actions/runs/19231928983/job/54972284094

FAILED ../../tests/http/test_07_upload.py::TestUpload::test_07_22_upload_parallel_fail[h3]:
https://github.com/curl/curl/actions/runs/19348209226/job/55353814062?pr=19518
https://github.com/curl/curl/actions/runs/19309583596/job/55226021737?pr=19501
https://github.com/curl/curl/actions/runs/19270138471/job/55096017491 (assert 18 == 20)
https://github.com/curl/curl/actions/runs/19225228604/job/54950992786

I expected the following

Pass consistently.

curl/libcurl version

master

operating system

Seen on Linux.