[    2.411410] ip (280) used greatest stack depth: 12304 bytes left
[   14.729862] mpls_gso: MPLS GSO support
[   20.312218] ip (2154) used greatest stack depth: 12192 bytes left
[ 1010.711571] blackhole_netdev_xmit(): Dropping skb.
[ 1010.711649] blackhole_netdev_xmit(): Dropping skb.
[ 1010.711684] blackhole_netdev_xmit(): Dropping skb.
[ 1010.711720] blackhole_netdev_xmit(): Dropping skb.