A grep of "virtual_network" in src/mem/ruby/protocol shows that files in MESI_Two_Level.slicc utilizes at 3 virtual networks. Change-Id: I3e8dd09dd82b9c802fdf91145c6d998bc6db541b Signed-off-by: Hoa Nguyen <hoanguyen@ucdavis.edu> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/65592 Maintainer: Jason Lowe-Power <power.jg@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>