[    1.731574] make (202) used greatest stack depth: 12928 bytes left
[    2.093733] ip (254) used greatest stack depth: 12416 bytes left
[    2.760393] ip (285) used greatest stack depth: 12384 bytes left
[   15.614216] mpls_gso: MPLS GSO support
[  632.705878] ip (26260) used greatest stack depth: 12320 bytes left
[  914.444169] blackhole_netdev_xmit(): Dropping skb.
[  914.444222] blackhole_netdev_xmit(): Dropping skb.
[  914.444252] blackhole_netdev_xmit(): Dropping skb.
[  914.444287] blackhole_netdev_xmit(): Dropping skb.
[  996.534675] blackhole_netdev_xmit(): Dropping skb.
[  996.534756] blackhole_netdev_xmit(): Dropping skb.
[  996.534797] blackhole_netdev_xmit(): Dropping skb.
[  996.534837] blackhole_netdev_xmit(): Dropping skb.