[    1.695750] ip (255) used greatest stack depth: 12248 bytes left
[   37.467937] ip (1977) used greatest stack depth: 12200 bytes left
[   50.848432] netem: version 1.3
[  562.248666] tc (15681) used greatest stack depth: 11928 bytes left
[  619.562478] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left