[    2.408897] ip (247) used greatest stack depth: 12376 bytes left
[    3.149877] ip (281) used greatest stack depth: 12344 bytes left
[   16.288545] ip (1190) used greatest stack depth: 12032 bytes left
[   17.418057] mpls_gso: MPLS GSO support
[  875.728610] blackhole_netdev_xmit(): Dropping skb.
[  875.728690] blackhole_netdev_xmit(): Dropping skb.
[  875.728732] blackhole_netdev_xmit(): Dropping skb.
[  875.728772] blackhole_netdev_xmit(): Dropping skb.
[ 1113.825299] blackhole_netdev_xmit(): Dropping skb.
[ 1113.825380] blackhole_netdev_xmit(): Dropping skb.
[ 1113.825423] blackhole_netdev_xmit(): Dropping skb.
[ 1113.825474] blackhole_netdev_xmit(): Dropping skb.
[ 1193.515427] blackhole_netdev_xmit(): Dropping skb.
[ 1193.515479] blackhole_netdev_xmit(): Dropping skb.
[ 1193.515510] blackhole_netdev_xmit(): Dropping skb.
[ 1193.515536] blackhole_netdev_xmit(): Dropping skb.