[    1.559662] ip (252) used greatest stack depth: 12168 bytes left
[    7.531025] ip (944) used greatest stack depth: 12120 bytes left
[   48.999629] netem: version 1.3
[  575.818332] tc (16945) used greatest stack depth: 11872 bytes left
[  632.558198] pm_nl_ctl (20245) used greatest stack depth: 11864 bytes left