[    2.076115] ip (248) used greatest stack depth: 12376 bytes left
[    2.727808] ip (282) used greatest stack depth: 12344 bytes left
[   16.883076] mpls_gso: MPLS GSO support
[ 1114.393517] blackhole_netdev_xmit(): Dropping skb.
[ 1114.393582] blackhole_netdev_xmit(): Dropping skb.
[ 1114.393614] blackhole_netdev_xmit(): Dropping skb.
[ 1114.393647] blackhole_netdev_xmit(): Dropping skb.