[    2.579103] ip (286) used greatest stack depth: 12384 bytes left
[   12.815240] ip (1112) used greatest stack depth: 12128 bytes left
[   15.300217] mpls_gso: MPLS GSO support
[  943.259947] blackhole_netdev_xmit(): Dropping skb.
[  943.260021] blackhole_netdev_xmit(): Dropping skb.
[  943.260056] blackhole_netdev_xmit(): Dropping skb.
[  943.260092] blackhole_netdev_xmit(): Dropping skb.
[ 1163.064315] blackhole_netdev_xmit(): Dropping skb.
[ 1163.064415] blackhole_netdev_xmit(): Dropping skb.
[ 1163.064470] blackhole_netdev_xmit(): Dropping skb.
[ 1163.064522] blackhole_netdev_xmit(): Dropping skb.
[ 1219.239400] blackhole_netdev_xmit(): Dropping skb.
[ 1219.239450] blackhole_netdev_xmit(): Dropping skb.
[ 1219.239481] blackhole_netdev_xmit(): Dropping skb.
[ 1219.239508] blackhole_netdev_xmit(): Dropping skb.