[    2.649661] ip (289) used greatest stack depth: 12344 bytes left
[   53.726318] ip (2715) used greatest stack depth: 12288 bytes left
[   60.850355] netem: version 1.3
[  296.620113] ip (5903) used greatest stack depth: 12064 bytes left
[  683.147230] pm_nl_ctl (18735) used greatest stack depth: 11872 bytes left