[    2.061195] ip (293) used greatest stack depth: 12264 bytes left
[    8.122795] ip (1044) used greatest stack depth: 12120 bytes left
[   52.817754] netem: version 1.3
[  565.970565] tc (15680) used greatest stack depth: 11912 bytes left
[  684.190288] pm_nl_ctl (18830) used greatest stack depth: 11752 bytes left