-A POSTROUTING -j MARK --copy-xid 0x0
-A POSTROUTING -j CLASSIFY --set-class 0001:1000
-A POSTROUTING -m set --set Internet2 dst -j CLASSIFY --set-class 0001:2000
-A POSTROUTING -j MARK --copy-xid 0x0
-A POSTROUTING -j CLASSIFY --set-class 0001:1000
-A POSTROUTING -m set --set Internet2 dst -j CLASSIFY --set-class 0001:2000