[    1.993612] ip (249) used greatest stack depth: 12376 bytes left
[    2.531074] ip (280) used greatest stack depth: 12360 bytes left
[    2.720963] ip (294) used greatest stack depth: 12344 bytes left
[   14.887296] mpls_gso: MPLS GSO support
[   15.153173] ip (1369) used greatest stack depth: 12328 bytes left
[   21.425863] ip (2221) used greatest stack depth: 12240 bytes left
[  673.644176] blackhole_netdev_xmit(): Dropping skb.
[  673.644255] blackhole_netdev_xmit(): Dropping skb.
[  673.644303] blackhole_netdev_xmit(): Dropping skb.
[  673.644354] blackhole_netdev_xmit(): Dropping skb.
[ 1080.055214] blackhole_netdev_xmit(): Dropping skb.
[ 1080.055288] blackhole_netdev_xmit(): Dropping skb.
[ 1080.055319] blackhole_netdev_xmit(): Dropping skb.
[ 1080.055349] blackhole_netdev_xmit(): Dropping skb.
[ 1161.105985] blackhole_netdev_xmit(): Dropping skb.
[ 1161.106039] blackhole_netdev_xmit(): Dropping skb.
[ 1161.106067] blackhole_netdev_xmit(): Dropping skb.
[ 1161.106103] blackhole_netdev_xmit(): Dropping skb.