[    2.584360] ip (239) used greatest stack depth: 12008 bytes left
[   52.148398] ip (4299) used greatest stack depth: 11992 bytes left
[   52.179918] netem: version 1.3
[   59.108894] ip (4488) used greatest stack depth: 11960 bytes left
[  546.362671] pm_nl_ctl (24827) used greatest stack depth: 11864 bytes left