[   11.491828] mpls_gso: MPLS GSO support
[  906.311439] blackhole_netdev_xmit(): Dropping skb.
[  906.311529] blackhole_netdev_xmit(): Dropping skb.
[  906.311589] blackhole_netdev_xmit(): Dropping skb.
[  906.311650] blackhole_netdev_xmit(): Dropping skb.