[    1.861474] ip (247) used greatest stack depth: 12376 bytes left
[    2.513566] ip (282) used greatest stack depth: 12272 bytes left
[   15.574014] mpls_gso: MPLS GSO support
[ 1246.101661] blackhole_netdev_xmit(): Dropping skb.
[ 1246.101838] blackhole_netdev_xmit(): Dropping skb.
[ 1246.101885] blackhole_netdev_xmit(): Dropping skb.
[ 1246.101932] blackhole_netdev_xmit(): Dropping skb.