[    1.733017] ip (255) used greatest stack depth: 12392 bytes left
[    2.064663] ip (277) used greatest stack depth: 12360 bytes left
[    2.174394] ip (286) used greatest stack depth: 12344 bytes left
[    4.661243] ip (465) used greatest stack depth: 12064 bytes left
[   52.219039] netem: version 1.3