[    1.999330] ip (294) used greatest stack depth: 12200 bytes left
[   13.004579] mpls_gso: MPLS GSO support
[ 1147.958705] blackhole_netdev_xmit(): Dropping skb.
[ 1147.958776] blackhole_netdev_xmit(): Dropping skb.
[ 1147.958830] blackhole_netdev_xmit(): Dropping skb.
[ 1147.958870] blackhole_netdev_xmit(): Dropping skb.