[    1.990815] ip (261) used greatest stack depth: 12344 bytes left
[   32.260508] ip (1549) used greatest stack depth: 12192 bytes left
[   56.163834] netem: version 1.3
[  623.528280] tc (15593) used greatest stack depth: 11936 bytes left
[  691.439049] pm_nl_ctl (18732) used greatest stack depth: 11872 bytes left