[    1.669218] ip (267) used greatest stack depth: 12632 bytes left
[    1.746346] ip (277) used greatest stack depth: 12504 bytes left
[    1.901212] ip (295) used greatest stack depth: 12248 bytes left
[    9.140111] ip (1133) used greatest stack depth: 12232 bytes left
[   36.251729] ip (2000) used greatest stack depth: 11976 bytes left
[   48.484110] netem: version 1.3
[  569.866721] tc (15679) used greatest stack depth: 11952 bytes left
[  626.554459] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left