[    1.669469] ip (268) used greatest stack depth: 12392 bytes left
[    1.877711] ip (296) used greatest stack depth: 12200 bytes left
[    3.634626] ip (533) used greatest stack depth: 12120 bytes left
[   50.758082] netem: version 1.3
[   71.889167] ip (3423) used greatest stack depth: 11944 bytes left
[  567.116491] tc (16933) used greatest stack depth: 11912 bytes left
[  622.991017] pm_nl_ctl (20234) used greatest stack depth: 11856 bytes left