[    2.637984] ip (281) used greatest stack depth: 12344 bytes left
[   15.257328] mpls_gso: MPLS GSO support
[  832.630312] blackhole_netdev_xmit(): Dropping skb.
[  832.630398] blackhole_netdev_xmit(): Dropping skb.
[  832.630463] blackhole_netdev_xmit(): Dropping skb.
[  832.630538] blackhole_netdev_xmit(): Dropping skb.