[    1.625361] ip (258) used greatest stack depth: 12296 bytes left
[    1.994039] ip (295) used greatest stack depth: 12248 bytes left
[   28.593039] ip (1548) used greatest stack depth: 12104 bytes left
[   49.307870] netem: version 1.3
[  580.796831] tc (15677) used greatest stack depth: 11952 bytes left
[  638.905042] pm_nl_ctl (18823) used greatest stack depth: 11752 bytes left