[    4.433226] ip (739) used greatest stack depth: 12040 bytes left
[    5.025588] ip (900) used greatest stack depth: 11976 bytes left
[   52.087487] netem: version 1.3
[   95.105517] ip (5042) used greatest stack depth: 11936 bytes left
[  584.103207] pm_nl_ctl (25041) used greatest stack depth: 11864 bytes left