[    1.789459] ip (295) used greatest stack depth: 12200 bytes left
[    8.580474] ip (1144) used greatest stack depth: 12056 bytes left
[   46.510430] netem: version 1.3
[  575.409628] tc (15685) used greatest stack depth: 11952 bytes left
[  634.029408] pm_nl_ctl (18830) used greatest stack depth: 11872 bytes left