[    2.452019] ip (279) used greatest stack depth: 12344 bytes left
[   15.917995] mpls_gso: MPLS GSO support
[ 1112.592591] blackhole_netdev_xmit(): Dropping skb.
[ 1112.592652] blackhole_netdev_xmit(): Dropping skb.
[ 1112.592686] blackhole_netdev_xmit(): Dropping skb.
[ 1112.592714] blackhole_netdev_xmit(): Dropping skb.