[    2.063454] ip (180) used greatest stack depth: 12352 bytes left
[   11.532251] ip (1501) used greatest stack depth: 12080 bytes left
[   50.665050] netem: version 1.3
[   56.312487] ip (4447) used greatest stack depth: 12072 bytes left
[  524.314835] pm_nl_ctl (24833) used greatest stack depth: 11944 bytes left