[    2.481151] ip (216) used greatest stack depth: 12216 bytes left
[   52.050996] netem: version 1.3
[   58.066308] ip (4450) used greatest stack depth: 12168 bytes left
[   58.122750] ip (4467) used greatest stack depth: 11936 bytes left
[  525.408320] pm_nl_ctl (24673) used greatest stack depth: 11864 bytes left