[    2.505239] ip (215) used greatest stack depth: 12312 bytes left
[   18.127302] ip (1715) used greatest stack depth: 12040 bytes left
[   49.274582] ip (3449) used greatest stack depth: 12000 bytes left
[   52.452790] netem: version 1.3
[  559.904622] pm_nl_ctl (24664) used greatest stack depth: 11856 bytes left