[    3.838533] ip (704) used greatest stack depth: 12096 bytes left
[   50.469182] netem: version 1.3
[   82.715837] ip (5012) used greatest stack depth: 12056 bytes left
[   92.985288] ip (5172) used greatest stack depth: 12024 bytes left
[  518.449859] pm_nl_ctl (24839) used greatest stack depth: 11864 bytes left