[    1.687046] ip (255) used greatest stack depth: 12248 bytes left
[    2.045194] ip (295) used greatest stack depth: 12200 bytes left
[   39.131166] ip (2305) used greatest stack depth: 12032 bytes left
[   48.958743] netem: version 1.3
[  541.687722] tc (15678) used greatest stack depth: 11952 bytes left
[  603.613477] pm_nl_ctl (18821) used greatest stack depth: 11872 bytes left