[    2.532085] ip (278) used greatest stack depth: 12344 bytes left
[   15.263486] mpls_gso: MPLS GSO support
[ 1226.644452] blackhole_netdev_xmit(): Dropping skb.
[ 1226.644525] blackhole_netdev_xmit(): Dropping skb.
[ 1226.644564] blackhole_netdev_xmit(): Dropping skb.
[ 1226.644608] blackhole_netdev_xmit(): Dropping skb.