[    2.582077] ip (280) used greatest stack depth: 12344 bytes left
[   16.620423] mpls_gso: MPLS GSO support
[   28.483911] ip (2513) used greatest stack depth: 12032 bytes left
[  968.164643] blackhole_netdev_xmit(): Dropping skb.
[  968.164727] blackhole_netdev_xmit(): Dropping skb.
[  968.164785] blackhole_netdev_xmit(): Dropping skb.
[  968.164849] blackhole_netdev_xmit(): Dropping skb.
[ 1204.187495] blackhole_netdev_xmit(): Dropping skb.
[ 1204.187574] blackhole_netdev_xmit(): Dropping skb.
[ 1204.187611] blackhole_netdev_xmit(): Dropping skb.
[ 1204.187649] blackhole_netdev_xmit(): Dropping skb.
[ 1255.201593] blackhole_netdev_xmit(): Dropping skb.
[ 1255.201652] blackhole_netdev_xmit(): Dropping skb.
[ 1255.201689] blackhole_netdev_xmit(): Dropping skb.
[ 1255.201735] blackhole_netdev_xmit(): Dropping skb.