[    2.656033] ip (281) used greatest stack depth: 12360 bytes left
[    2.704976] ip (285) used greatest stack depth: 12344 bytes left
[   15.118308] mpls_gso: MPLS GSO support
[   27.261702] ip (2710) used greatest stack depth: 12064 bytes left
[  866.028928] blackhole_netdev_xmit(): Dropping skb.
[  866.028992] blackhole_netdev_xmit(): Dropping skb.
[  866.029026] blackhole_netdev_xmit(): Dropping skb.
[  866.029058] blackhole_netdev_xmit(): Dropping skb.