[    2.326346] ip (280) used greatest stack depth: 12360 bytes left
[    2.373006] ip (284) used greatest stack depth: 12344 bytes left
[   15.108482] mpls_gso: MPLS GSO support
[  699.834613] blackhole_netdev_xmit(): Dropping skb.
[  699.834686] blackhole_netdev_xmit(): Dropping skb.
[  699.834725] blackhole_netdev_xmit(): Dropping skb.
[  699.834763] blackhole_netdev_xmit(): Dropping skb.
[ 1178.811516] blackhole_netdev_xmit(): Dropping skb.
[ 1178.811587] blackhole_netdev_xmit(): Dropping skb.
[ 1178.811620] blackhole_netdev_xmit(): Dropping skb.
[ 1178.811660] blackhole_netdev_xmit(): Dropping skb.