Update test to check the contents of GRE layer
Update test to check the contents of GRE layer

zerklabs/gopacket,UIKit0/gopacket-1,xuzhaokui/gopacket,clarktrimble/gopacket,breml/gopacket,ccordes-snaproute/gopacket,urso/gopacket,google/gopacket,josephcopenhaver/gopacket,LrsK/gopacket,LrsK/gopacket,levigross/gopacket,LrsK/gopacket,breml/gopacket,UIKit0/gopacket-1,aeppert/gopacket,skyportsystems/gopacket,nhooyr/gopacket,adriantam/gopacket,1d4Nf6/gopacket,xuzhaokui/gopacket,xuzhaokui/gopacket,rouzier/gopacket,wheelcomplex/gopacket,vtolstov/gopacket,rouzier/gopacket,zerklabs/gopacket,google/gopacket,josephcopenhaver/gopacket,wheelcomplex/gopacket,wheelcomplex/gopacket,clarktrimble/gopacket,1d4Nf6/gopacket,zerklabs/gopacket,adriantam/gopacket,skyportsystems/gopacket,ross-williams/gopacket,google/gopacket,skyportsystems/gopacket,UIKit0/gopacket-1,josephcopenhaver/gopacket,clarktrimble/gopacket,adriantam/gopacket,hkwi/gopacket,nhooyr/gopacket,levigross/gopacket,ccordes-snaproute/gopacket,ross-williams/gopacket,rouzier/gopacket,hkwi/gopacket,vtolstov/gopacket,aeppert/gopacket,1d4Nf6/gopacket,hkwi/gopacket,urso/gopacket,levigross/gopacket,breml/gopacket,vtolstov/gopacket,ccordes-snaproute/gopacket,nhooyr/gopacket,ross-williams/gopacket,aeppert/gopacket,urso/gopacket