[    2.029999] ip (256) used greatest stack depth: 12392 bytes left
[    2.275580] ip (272) used greatest stack depth: 12360 bytes left
[    2.501301] ip (290) used greatest stack depth: 12344 bytes left
[   54.352440] netem: version 1.3
[  526.404552] ip (9896) used greatest stack depth: 12072 bytes left