[    1.767762] ip (260) used greatest stack depth: 12832 bytes left
[    2.196086] ip (294) used greatest stack depth: 12360 bytes left
[   11.912951] mpls_gso: MPLS GSO support
[ 1130.773081] blackhole_netdev_xmit(): Dropping skb.
[ 1130.773143] blackhole_netdev_xmit(): Dropping skb.
[ 1130.773197] blackhole_netdev_xmit(): Dropping skb.
[ 1130.773235] blackhole_netdev_xmit(): Dropping skb.