[    1.870996] ip (294) used greatest stack depth: 12248 bytes left
[   10.905680] mpls_gso: MPLS GSO support
[  901.971092] blackhole_netdev_xmit(): Dropping skb.
[  901.971159] blackhole_netdev_xmit(): Dropping skb.
[  901.971224] blackhole_netdev_xmit(): Dropping skb.
[  901.971263] blackhole_netdev_xmit(): Dropping skb.