[    1.631838] ip (258) used greatest stack depth: 12232 bytes left
[    1.946383] ip (295) used greatest stack depth: 12024 bytes left
[   53.515599] netem: version 1.3
[  556.179009] tc (16518) used greatest stack depth: 11904 bytes left
[  617.080551] pm_nl_ctl (19767) used greatest stack depth: 11872 bytes left