[    2.710967] ip (281) used greatest stack depth: 12344 bytes left
[   16.934866] mpls_gso: MPLS GSO support
[  885.006113] blackhole_netdev_xmit(): Dropping skb.
[  885.006178] blackhole_netdev_xmit(): Dropping skb.
[  885.006212] blackhole_netdev_xmit(): Dropping skb.
[  885.006243] blackhole_netdev_xmit(): Dropping skb.