It's labeled as a regular GN'R show.
I believe five out of the 16 announced shows so far are at festivals.
/jarmo
You're right, there are these five festivals in europe so far:
Clisson, France @ Hellfest
Rho (Milan), Italy @ Arena Fiera Milano (Gods Of Metal Festival)
Dessel, Belgium @ Graspop Metal Meeting
Schwarzlsee, Austria @ See Rock Festival
Sofia, Bulgaria @ Levski National Stadium (Sofia Rocks 2012)
The others are regular GN'R shows.