NETIF_F_GRO_UDP_FWD
rcv->features & (NETIF_F_GRO_FRAGLIST | NETIF_F_GRO_UDP_FWD));
#define NETIF_F_SOFT_FEATURES_OFF (NETIF_F_GRO_FRAGLIST | NETIF_F_GRO_UDP_FWD)
if ((!sk && (skb->dev->features & NETIF_F_GRO_UDP_FWD)) ||