APM, Kerberos and SSO

OK, I was wrong about correct PTR for elvis162.f5demo.com (AD). After fixing everything is working! I just wonder why even when (via System ›› Logs : Configuration : Options) Access Policy Logging is set to Debug I have the same entries in /var/log/apm as when it was send to default Notice. I expected kind of logging presented in mentioned article - so much more detailed. Piotr