[    2.075188] ip (258) used greatest stack depth: 12368 bytes left
[   15.583496] mpls_gso: MPLS GSO support
[  330.252767] ip (5302) used greatest stack depth: 12128 bytes left
[ 1249.677066] blackhole_netdev_xmit(): Dropping skb.
[ 1249.677143] blackhole_netdev_xmit(): Dropping skb.
[ 1249.677174] blackhole_netdev_xmit(): Dropping skb.
[ 1249.677223] blackhole_netdev_xmit(): Dropping skb.