[    2.019079] ip (293) used greatest stack depth: 12248 bytes left
[   11.005056] mpls_gso: MPLS GSO support
[ 1101.059699] blackhole_netdev_xmit(): Dropping skb.
[ 1101.059785] blackhole_netdev_xmit(): Dropping skb.
[ 1101.059834] blackhole_netdev_xmit(): Dropping skb.
[ 1101.059885] blackhole_netdev_xmit(): Dropping skb.