>> Is there a problem with health checks and haproxy? Again, using a >> machine >> gun approach on the health check service, we see no problems, but for >> whatever reason, occasionally (maybe 1 out 10, could be more), the >> haproxy >> tcp expect fails. Using tcpdump, seems we're getting the right return >> though. > > Can you share that tcpdump?
That one is harder to share, difficult to sanitize. > > >> We're using haproxy 1.15 without pcre expressions. > > There is no such release. What release are you running exactly? Dyslexia I guess... I meant 1.5.10