[    2.045386] ip (248) used greatest stack depth: 12376 bytes left
[    2.717475] ip (282) used greatest stack depth: 12344 bytes left
[   16.802969] mpls_gso: MPLS GSO support
[   23.095620] ip (2193) used greatest stack depth: 12192 bytes left
[ 1079.664511] blackhole_netdev_xmit(): Dropping skb.
[ 1079.664596] blackhole_netdev_xmit(): Dropping skb.
[ 1079.664641] blackhole_netdev_xmit(): Dropping skb.
[ 1079.664677] blackhole_netdev_xmit(): Dropping skb.