[    1.730112] ip (249) used greatest stack depth: 12376 bytes left
[    2.217397] ip (280) used greatest stack depth: 12344 bytes left
[   13.663363] mpls_gso: MPLS GSO support
[   19.126409] ip (2141) used greatest stack depth: 12064 bytes left
[  792.879862] blackhole_netdev_xmit(): Dropping skb.
[  792.879938] blackhole_netdev_xmit(): Dropping skb.
[  792.879983] blackhole_netdev_xmit(): Dropping skb.
[  792.880022] blackhole_netdev_xmit(): Dropping skb.