[    2.313033] ip (287) used greatest stack depth: 12344 bytes left
[   56.765902] netem: version 1.3
[   64.095806] ip (2660) used greatest stack depth: 12288 bytes left
[   64.320797] ip (2678) used greatest stack depth: 12192 bytes left
[   84.631857] ip (2928) used greatest stack depth: 12064 bytes left
[  589.445422] tc (13805) used greatest stack depth: 11936 bytes left
[  655.962600] pm_nl_ctl (16721) used greatest stack depth: 11792 bytes left