[    1.401388] ip (222) used greatest stack depth: 12168 bytes left
[   51.220417] netem: version 1.3
[   60.688463] ip (4488) used greatest stack depth: 12040 bytes left
[  107.392362] ip (5035) used greatest stack depth: 11960 bytes left
[  565.632283] pm_nl_ctl (24823) used greatest stack depth: 11856 bytes left