[    1.995963] ip (250) used greatest stack depth: 12376 bytes left
[    2.603296] ip (281) used greatest stack depth: 12360 bytes left
[    2.816738] ip (296) used greatest stack depth: 12344 bytes left
[   14.357728] mpls_gso: MPLS GSO support
[   24.942636] ip (2471) used greatest stack depth: 12328 bytes left
[  974.406264] blackhole_netdev_xmit(): Dropping skb.
[  974.406322] blackhole_netdev_xmit(): Dropping skb.
[  974.406355] blackhole_netdev_xmit(): Dropping skb.
[  974.406392] blackhole_netdev_xmit(): Dropping skb.
[ 1248.432825] blackhole_netdev_xmit(): Dropping skb.
[ 1248.432898] blackhole_netdev_xmit(): Dropping skb.
[ 1248.432934] blackhole_netdev_xmit(): Dropping skb.
[ 1248.432972] blackhole_netdev_xmit(): Dropping skb.