[    1.843974] ip (250) used greatest stack depth: 12376 bytes left
[    2.436412] ip (281) used greatest stack depth: 12344 bytes left
[   15.090328] mpls_gso: MPLS GSO support
[ 1195.476598] blackhole_netdev_xmit(): Dropping skb.
[ 1195.476670] blackhole_netdev_xmit(): Dropping skb.
[ 1195.476702] blackhole_netdev_xmit(): Dropping skb.
[ 1195.476730] blackhole_netdev_xmit(): Dropping skb.