[    2.467469] ip (292) used greatest stack depth: 12384 bytes left
[    9.716823] ip (906) used greatest stack depth: 12256 bytes left
[   56.172127] netem: version 1.3
[  619.781142] tc (15683) used greatest stack depth: 11936 bytes left
[  687.192637] pm_nl_ctl (18830) used greatest stack depth: 11880 bytes left