[    2.530557] ip (222) used greatest stack depth: 12168 bytes left
[   31.537842] ip (2770) used greatest stack depth: 12072 bytes left
[   52.085135] netem: version 1.3
[   59.032706] ip (4460) used greatest stack depth: 11960 bytes left
[  548.805986] pm_nl_ctl (24837) used greatest stack depth: 11864 bytes left