NETIF_F_ALL_FOR_ALL
features |= NETIF_F_ALL_FOR_ALL;
features |= NETIF_F_ALL_FOR_ALL;
NETIF_F_ALL_FOR_ALL;
features |= NETIF_F_ALL_FOR_ALL;
NETIF_F_ALL_FOR_ALL, mask);
all &= one | ~NETIF_F_ALL_FOR_ALL;