IP4_DST
offload_pedit(fs, val, mask, IP4_DST);
SYS(fail, "ip -netns " NS_SRC " route del " IP4_DST "/32 dev src scope global");
SYS(fail, "ip -netns " NS_SRC " route add " IP4_DST "/32 via " IP4_TUN_FWD
SYS(fail, "ip route add " IP4_DST "/32 dev src scope global");
SYS(fail, "ip neigh add " IP4_DST " dev src lladdr %s",
SYS(fail, "ip route add " IP4_DST "/32 dev dst_fwd scope global");
SYS(fail, "ip neigh add " IP4_DST " dev dst_fwd lladdr %s", MAC_DST);
SYS(fail, "ip addr add " IP4_DST "/32 dev dst");
test_tcp(AF_INET, IP4_DST, IP4_PORT);
test_ping(AF_INET, IP4_DST);
addr = IP4_DST;
addr = IP4_DST;