[    2.317375] ip (286) used greatest stack depth: 12360 bytes left
[    3.229392] ip (355) used greatest stack depth: 12344 bytes left
[   42.252800] ip (1768) used greatest stack depth: 12064 bytes left
[   53.666449] ip (2247) used greatest stack depth: 12032 bytes left
[   53.810269] netem: version 1.3