I am starting a prototype including a Windows minifilter. I have set up my environment:
I solved my problem (I suck, therefore I am)
In a nutshell, here is how the two machines must be configured for kernel debugging.
A. Target machine (Hyper-V VM)
B. Source machine (Hyper-V host hosting the target)
It works just fine, with a nice integration under Visual Studio 2013. Thanks to all those who answered (nobody)... And all others who read :)