[    1.977277] ip (250) used greatest stack depth: 12288 bytes left
[    2.570374] ip (284) used greatest stack depth: 12272 bytes left
[   13.475421] ip (1187) used greatest stack depth: 12240 bytes left
[   15.501438] mpls_gso: MPLS GSO support
[  798.389205] blackhole_netdev_xmit(): Dropping skb.
[  798.389272] blackhole_netdev_xmit(): Dropping skb.
[  798.389312] blackhole_netdev_xmit(): Dropping skb.
[  798.389351] blackhole_netdev_xmit(): Dropping skb.