[    2.641531] ip (282) used greatest stack depth: 12344 bytes left
[   15.118822] mpls_gso: MPLS GSO support
[  631.179053] ip (24163) used greatest stack depth: 12304 bytes left
[  974.226702] blackhole_netdev_xmit(): Dropping skb.
[  974.226772] blackhole_netdev_xmit(): Dropping skb.
[  974.226807] blackhole_netdev_xmit(): Dropping skb.
[  974.226847] blackhole_netdev_xmit(): Dropping skb.
[ 1054.087012] blackhole_netdev_xmit(): Dropping skb.
[ 1054.087082] blackhole_netdev_xmit(): Dropping skb.
[ 1054.087116] blackhole_netdev_xmit(): Dropping skb.
[ 1054.087147] blackhole_netdev_xmit(): Dropping skb.