[    2.247205] ip (252) used greatest stack depth: 12376 bytes left
[    2.864526] ip (280) used greatest stack depth: 12344 bytes left
[   17.735926] mpls_gso: MPLS GSO support
[ 1199.981053] blackhole_netdev_xmit(): Dropping skb.
[ 1199.981135] blackhole_netdev_xmit(): Dropping skb.
[ 1199.981169] blackhole_netdev_xmit(): Dropping skb.
[ 1199.981203] blackhole_netdev_xmit(): Dropping skb.