[    4.614420] ip (523) used greatest stack depth: 12120 bytes left
[   52.171083] netem: version 1.3
[   65.710381] ip (3405) used greatest stack depth: 11976 bytes left
[  546.228561] tc (16941) used greatest stack depth: 11896 bytes left
[  606.470810] pm_nl_ctl (20242) used greatest stack depth: 11856 bytes left