[    3.342229] ip (299) used greatest stack depth: 12384 bytes left
[   19.729069] mpls_gso: MPLS GSO support
[ 1206.875704] blackhole_netdev_xmit(): Dropping skb.
[ 1206.875788] blackhole_netdev_xmit(): Dropping skb.
[ 1206.875824] blackhole_netdev_xmit(): Dropping skb.
[ 1206.875861] blackhole_netdev_xmit(): Dropping skb.