If the flag is not set, The flag is affected by the previously sent and received packets, L2 header may be filled with ipv6 Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
If the flag is not set, The flag is affected by the previously sent and received packets, L2 header may be filled with ipv6 Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>