[    2.743454] ip (337) used greatest stack depth: 12352 bytes left
[   31.445771] ip (2907) used greatest stack depth: 12344 bytes left
[   50.303204] ip (4072) used greatest stack depth: 12080 bytes left
[   50.946305] netem: version 1.3
[  526.048327] pm_nl_ctl (24814) used greatest stack depth: 11944 bytes left