[    2.379563] ip (250) used greatest stack depth: 12288 bytes left
[    3.187700] ip (281) used greatest stack depth: 12272 bytes left
[   19.753280] mpls_gso: MPLS GSO support
[  957.679500] blackhole_netdev_xmit(): Dropping skb.
[  957.679626] blackhole_netdev_xmit(): Dropping skb.
[  957.679666] blackhole_netdev_xmit(): Dropping skb.
[  957.679718] blackhole_netdev_xmit(): Dropping skb.
[ 1174.035098] blackhole_netdev_xmit(): Dropping skb.
[ 1174.035160] blackhole_netdev_xmit(): Dropping skb.
[ 1174.035191] blackhole_netdev_xmit(): Dropping skb.
[ 1174.035222] blackhole_netdev_xmit(): Dropping skb.