fix ping/arp responder example
fix ping/arp responder example

emmericp/MoonGen,atheurer/MoonGen,NetronomeMoongen/MoonGen,kidaa/MoonGen,emmericp/MoonGen,slyon/MoonGen,gallenmu/MoonGen,NetronomeMoongen/MoonGen,scholzd/MoonGen,bmichalo/MoonGen,kidaa/MoonGen,schoenb/MoonGen,atheurer/MoonGen,gallenmu/MoonGen,emmericp/MoonGen,gallenmu/MoonGen,scholzd/MoonGen,duk3luk3/MoonGen,schoenb/MoonGen,werpat/MoonGen,kidaa/MoonGen,wenhuizhang/MoonGen,gallenmu/MoonGen,duk3luk3/MoonGen,dschoeffm/MoonGen,schoenb/MoonGen,dschoeffm/MoonGen,werpat/MoonGen,wenhuizhang/MoonGen,gallenmu/MoonGen,slyon/MoonGen,gallenmu/MoonGen,duk3luk3/MoonGen,gallenmu/MoonGen,scholzd/MoonGen,atheurer/MoonGen,bmichalo/MoonGen,bmichalo/MoonGen,werpat/MoonGen,dschoeffm/MoonGen,bmichalo/MoonGen,slyon/MoonGen,slyon/MoonGen,gallenmu/MoonGen,wenhuizhang/MoonGen,NetronomeMoongen/MoonGen