[    1.623397] cut (198) used greatest stack depth: 12584 bytes left
[    1.845564] ip (259) used greatest stack depth: 12280 bytes left
[    2.232963] ip (293) used greatest stack depth: 12248 bytes left
[   12.627338] mpls_gso: MPLS GSO support
[ 1024.955635] blackhole_netdev_xmit(): Dropping skb.
[ 1024.955728] blackhole_netdev_xmit(): Dropping skb.
[ 1024.955786] blackhole_netdev_xmit(): Dropping skb.
[ 1024.955846] blackhole_netdev_xmit(): Dropping skb.