lwip: fix the bug that IPv6 TCP connection fail

The lwip code didn't create an new mld group when netif is up,
this will lead to the server can't find the matching netif when
receiving NS(neighbor solicitation) packet
This commit is contained in:
zhangyanjiao
2018-09-20 20:01:22 +08:00
parent 3004744f2c
commit e7d6c861b5