[    2.083889] ip (250) used greatest stack depth: 12376 bytes left
[    2.737199] ip (281) used greatest stack depth: 12344 bytes left
[   16.342692] mpls_gso: MPLS GSO support
[ 1003.730516] blackhole_netdev_xmit(): Dropping skb.
[ 1003.730629] blackhole_netdev_xmit(): Dropping skb.
[ 1003.730664] blackhole_netdev_xmit(): Dropping skb.
[ 1003.730696] blackhole_netdev_xmit(): Dropping skb.