[    3.747454] ip (288) used greatest stack depth: 12344 bytes left
[   67.924798] netem: version 1.3
[  565.956912] ip (13940) used greatest stack depth: 12160 bytes left
[  628.047090] tc (15590) used greatest stack depth: 11936 bytes left
[  691.799351] pm_nl_ctl (18728) used greatest stack depth: 11592 bytes left