[    2.096471] ip (184) used greatest stack depth: 12296 bytes left
[    2.135532] ip (197) used greatest stack depth: 12056 bytes left
[   50.180044] netem: version 1.3
[  116.827294] ip (5169) used greatest stack depth: 12048 bytes left
[  542.304207] pm_nl_ctl (24831) used greatest stack depth: 11864 bytes left