[    2.048729] ip (294) used greatest stack depth: 12232 bytes left
[   13.583360] mpls_gso: MPLS GSO support
[  844.322400] blackhole_netdev_xmit(): Dropping skb.
[  844.322471] blackhole_netdev_xmit(): Dropping skb.
[  844.322509] blackhole_netdev_xmit(): Dropping skb.
[  844.322542] blackhole_netdev_xmit(): Dropping skb.