[    2.495524] ip (283) used greatest stack depth: 12288 bytes left
[   46.361127] ip (1994) used greatest stack depth: 12016 bytes left
[   66.480098] netem: version 1.3
[  120.295196] ip (3623) used greatest stack depth: 11992 bytes left
[  687.985597] pm_nl_ctl (18824) used greatest stack depth: 11880 bytes left