[    2.494722] ip (284) used greatest stack depth: 12272 bytes left
[   61.079726] netem: version 1.3
[  451.367540] ip (9420) used greatest stack depth: 12144 bytes left
[  507.350091] ip (10663) used greatest stack depth: 12000 bytes left
[  627.281401] tc (15688) used greatest stack depth: 11896 bytes left
[  690.881099] pm_nl_ctl (18832) used greatest stack depth: 11704 bytes left