[    3.037216] ip (293) used greatest stack depth: 12384 bytes left
[   19.369562] mpls_gso: MPLS GSO support
[  769.313877] blackhole_netdev_xmit(): Dropping skb.
[  769.313947] blackhole_netdev_xmit(): Dropping skb.
[  769.313985] blackhole_netdev_xmit(): Dropping skb.
[  769.314020] blackhole_netdev_xmit(): Dropping skb.
[  876.360455] blackhole_netdev_xmit(): Dropping skb.
[  876.360533] blackhole_netdev_xmit(): Dropping skb.
[  876.360580] blackhole_netdev_xmit(): Dropping skb.
[  876.360618] blackhole_netdev_xmit(): Dropping skb.