What does this mean?

[hallucinogen]

I'm downloading this episode for testing and I came across this handshake thing. Warning message like "client sent 6, server answered 9 but it was still connected. What this suppose to mean?

RTMPDump v2.4 GIT-2013-10-07 (Compiled by KSV)
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
Connecting ...
WARNING: HandShake: Type mismatch: client sent 6, server answered 9
INFO: Connected...
Starting download at: 0.000 kB
INFO: Metadata:
INFO: duration 2582.95
INFO: moovPosition 36.00
INFO: width 512.00
INFO: height 288.00
INFO: videocodecid avc1
INFO: audiocodecid mp4a
INFO: avcprofile 100.00
INFO: avclevel 21.00
INFO: aacaot 2.00
INFO: videoframerate 29.97
INFO: audiosamplerate 24000.00
INFO: audiochannels 2.00
INFO: tags:
INFO: ©too Hulu v1.12
INFO: trackinfo:
INFO: length 77486409.00
INFO: timescale 30000.00
INFO: language und
INFO: sampledescription:
INFO: sampletype avc1
INFO: length 123981824.00
INFO: timescale 48000.00
INFO: language und
INFO: sampledescription:
INFO: sampletype mp4a
30800.911 kB / 617.45 sec (23.9%)