[    1.876407] ip (267) used greatest stack depth: 12456 bytes left
[    3.228137] ip (416) used greatest stack depth: 12328 bytes left
[   28.211159] ip (1531) used greatest stack depth: 12080 bytes left
[   48.809562] netem: version 1.3
[  568.271386] tc (15681) used greatest stack depth: 11928 bytes left
[  626.548574] pm_nl_ctl (18825) used greatest stack depth: 11872 bytes left