[    2.546157] ip (217) used greatest stack depth: 12216 bytes left
[    6.145371] ip (1191) used greatest stack depth: 12168 bytes left
[   52.193229] netem: version 1.3
[   60.568715] ip (4478) used greatest stack depth: 11944 bytes left
[  557.093162] pm_nl_ctl (24823) used greatest stack depth: 11784 bytes left