[    2.660424] ip (279) used greatest stack depth: 12344 bytes left
[   66.676626] netem: version 1.3
[  499.925634] ip (10805) used greatest stack depth: 12288 bytes left
[  573.384141] ip (14357) used greatest stack depth: 12160 bytes left
[  680.043950] pm_nl_ctl (18733) used greatest stack depth: 11872 bytes left