check_http2: better error messages in errors, such as infinite loop
check_http2: better error messages in errors, such as infinite loop

matthieucan/quebec-monitoring,matthieucan/quebec-monitoring,savoirfairelinux/quebec-monitoring,savoirfairelinux/quebec-monitoring,savoirfairelinux/quebec-monitoring,savoirfairelinux/quebec-monitoring,matthieucan/quebec-monitoring,matthieucan/quebec-monitoring