virtio_net: be drop monitor friendly

This change is needed to not fool drop monitor.
(perf record ... -e skb:kfree_skb )

Packets were properly sent and are consumed after TX completion.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed