[    2.048045] ip (292) used greatest stack depth: 12272 bytes left
[   13.021184] mpls_gso: MPLS GSO support
[ 1205.786023] blackhole_netdev_xmit(): Dropping skb.
[ 1205.786200] blackhole_netdev_xmit(): Dropping skb.
[ 1205.786249] blackhole_netdev_xmit(): Dropping skb.
[ 1205.786297] blackhole_netdev_xmit(): Dropping skb.