[    3.005576] ip (281) used greatest stack depth: 12360 bytes left
[    3.212116] ip (295) used greatest stack depth: 12344 bytes left
[   15.261212] mpls_gso: MPLS GSO support
[  691.109333] blackhole_netdev_xmit(): Dropping skb.
[  691.109502] blackhole_netdev_xmit(): Dropping skb.
[  691.109555] blackhole_netdev_xmit(): Dropping skb.
[  691.109605] blackhole_netdev_xmit(): Dropping skb.
[  705.120534] blackhole_netdev_xmit(): Dropping skb.
[  705.120586] blackhole_netdev_xmit(): Dropping skb.
[  705.120616] blackhole_netdev_xmit(): Dropping skb.
[  705.120642] blackhole_netdev_xmit(): Dropping skb.
[ 1071.301452] blackhole_netdev_xmit(): Dropping skb.
[ 1071.301527] blackhole_netdev_xmit(): Dropping skb.
[ 1071.301566] blackhole_netdev_xmit(): Dropping skb.
[ 1071.301602] blackhole_netdev_xmit(): Dropping skb.