[   15.964712] mpls_gso: MPLS GSO support
[  966.475485] blackhole_netdev_xmit(): Dropping skb.
[  966.475559] blackhole_netdev_xmit(): Dropping skb.
[  966.475602] blackhole_netdev_xmit(): Dropping skb.
[  966.475639] blackhole_netdev_xmit(): Dropping skb.