[    1.891463] ip (284) used greatest stack depth: 12248 bytes left
[   49.155732] netem: version 1.3
[   82.982895] ip (3490) used greatest stack depth: 12184 bytes left
[  548.472174] tc (15679) used greatest stack depth: 11952 bytes left
[  605.938434] pm_nl_ctl (18826) used greatest stack depth: 11872 bytes left