[    1.979668] ip (248) used greatest stack depth: 12376 bytes left
[    2.581990] ip (282) used greatest stack depth: 12344 bytes left
[   15.808664] mpls_gso: MPLS GSO support
[ 1096.957344] blackhole_netdev_xmit(): Dropping skb.
[ 1096.957407] blackhole_netdev_xmit(): Dropping skb.
[ 1096.957440] blackhole_netdev_xmit(): Dropping skb.
[ 1096.957472] blackhole_netdev_xmit(): Dropping skb.