From: Eric Dumazet
Date: Tue, 17 Apr 2018 18:11:44 -0700
> lockdep does not know that the locks used by IPv4 defrag
> and IPv6 reassembly units are of different classes.
>
> It complains because of following chains :
>
> 1) sch_direct_xmit()(lock txq->_xmit_lock)
>
lockdep does not know that the locks used by IPv4 defrag
and IPv6 reassembly units are of different classes.
It complains because of following chains :
1) sch_direct_xmit()(lock txq->_xmit_lock)
dev_hard_start_xmit()
xmit_one()
dev_queue_xmit_nit()