[    2.021539] ip (268) used greatest stack depth: 12520 bytes left
[    2.107665] ip (277) used greatest stack depth: 12376 bytes left
[    2.196846] ip (286) used greatest stack depth: 12216 bytes left
[    4.457607] ip (530) used greatest stack depth: 12136 bytes left
[   55.040529] netem: version 1.3
[  588.356552] tc (16941) used greatest stack depth: 11920 bytes left
[  647.821052] pm_nl_ctl (20241) used greatest stack depth: 11848 bytes left