[    1.973173] ip (293) used greatest stack depth: 12248 bytes left
[   52.646546] netem: version 1.3
[  569.577621] ip (15341) used greatest stack depth: 12224 bytes left
[  572.801527] tc (15679) used greatest stack depth: 11952 bytes left
[  629.014503] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left