[    1.340412] ip (218) used greatest stack depth: 12216 bytes left
[    3.197046] ip (720) used greatest stack depth: 11960 bytes left
[   50.878017] netem: version 1.3
[   86.595347] ip (4838) used greatest stack depth: 11936 bytes left
[  560.155695] pm_nl_ctl (24822) used greatest stack depth: 11856 bytes left