[    2.853042] ip (280) used greatest stack depth: 12344 bytes left
[    9.265354] ip (655) used greatest stack depth: 12304 bytes left
[   18.565043] mpls_gso: MPLS GSO support
[ 1061.703723] blackhole_netdev_xmit(): Dropping skb.
[ 1061.703796] blackhole_netdev_xmit(): Dropping skb.
[ 1061.703827] blackhole_netdev_xmit(): Dropping skb.
[ 1061.703858] blackhole_netdev_xmit(): Dropping skb.