[    2.056437] ip (247) used greatest stack depth: 12376 bytes left
[    2.713885] ip (281) used greatest stack depth: 12360 bytes left
[    2.764162] ip (285) used greatest stack depth: 12344 bytes left
[   16.293933] mpls_gso: MPLS GSO support
[   29.644011] ip (2632) used greatest stack depth: 12208 bytes left
[  682.108031] blackhole_netdev_xmit(): Dropping skb.
[  682.108095] blackhole_netdev_xmit(): Dropping skb.
[  682.108134] blackhole_netdev_xmit(): Dropping skb.
[  682.108160] blackhole_netdev_xmit(): Dropping skb.
[  989.652391] blackhole_netdev_xmit(): Dropping skb.
[  989.652464] blackhole_netdev_xmit(): Dropping skb.
[  989.652510] blackhole_netdev_xmit(): Dropping skb.
[  989.652560] blackhole_netdev_xmit(): Dropping skb.
[ 1117.146414] blackhole_netdev_xmit(): Dropping skb.
[ 1117.146483] blackhole_netdev_xmit(): Dropping skb.
[ 1117.146519] blackhole_netdev_xmit(): Dropping skb.
[ 1117.146557] blackhole_netdev_xmit(): Dropping skb.