[    1.876412] ip (252) used greatest stack depth: 12288 bytes left
[    2.462568] ip (286) used greatest stack depth: 12272 bytes left
[   15.395389] mpls_gso: MPLS GSO support
[  734.687089] blackhole_netdev_xmit(): Dropping skb.
[  734.687160] blackhole_netdev_xmit(): Dropping skb.
[  734.687205] blackhole_netdev_xmit(): Dropping skb.
[  734.687250] blackhole_netdev_xmit(): Dropping skb.
[ 1158.033794] blackhole_netdev_xmit(): Dropping skb.
[ 1158.033868] blackhole_netdev_xmit(): Dropping skb.
[ 1158.033908] blackhole_netdev_xmit(): Dropping skb.
[ 1158.033943] blackhole_netdev_xmit(): Dropping skb.