[    2.003782] ip (249) used greatest stack depth: 12544 bytes left
[    2.624681] ip (280) used greatest stack depth: 12272 bytes left
[   10.468607] ip (818) used greatest stack depth: 12088 bytes left
[   17.215931] mpls_gso: MPLS GSO support
[  675.030877] blackhole_netdev_xmit(): Dropping skb.
[  675.030967] blackhole_netdev_xmit(): Dropping skb.
[  675.031028] blackhole_netdev_xmit(): Dropping skb.
[  675.031088] blackhole_netdev_xmit(): Dropping skb.
[  835.906493] blackhole_netdev_xmit(): Dropping skb.
[  835.906548] blackhole_netdev_xmit(): Dropping skb.
[  835.906585] blackhole_netdev_xmit(): Dropping skb.
[  835.906614] blackhole_netdev_xmit(): Dropping skb.
[  911.344310] blackhole_netdev_xmit(): Dropping skb.
[  911.344369] blackhole_netdev_xmit(): Dropping skb.
[  911.344402] blackhole_netdev_xmit(): Dropping skb.
[  911.344441] blackhole_netdev_xmit(): Dropping skb.
[  911.919208] blackhole_netdev_xmit(): Dropping skb.
[  911.919275] blackhole_netdev_xmit(): Dropping skb.
[  911.919314] blackhole_netdev_xmit(): Dropping skb.
[  911.919350] blackhole_netdev_xmit(): Dropping skb.