[    1.649044] ip (261) used greatest stack depth: 12280 bytes left
[    2.016021] ip (295) used greatest stack depth: 12248 bytes left
[   11.657926] mpls_gso: MPLS GSO support
[ 1201.915963] blackhole_netdev_xmit(): Dropping skb.
[ 1201.916018] blackhole_netdev_xmit(): Dropping skb.
[ 1201.916077] blackhole_netdev_xmit(): Dropping skb.
[ 1201.916119] blackhole_netdev_xmit(): Dropping skb.