[    1.561041] ip (268) used greatest stack depth: 12368 bytes left
[    1.667632] ip (283) used greatest stack depth: 12288 bytes left
[    1.754150] ip (295) used greatest stack depth: 12192 bytes left
[    4.518475] ip (661) used greatest stack depth: 12096 bytes left
[   49.365604] netem: version 1.3
[   56.339886] ip (3242) used greatest stack depth: 11936 bytes left
[  543.983376] tc (16941) used greatest stack depth: 11896 bytes left
[  600.513710] pm_nl_ctl (20242) used greatest stack depth: 11864 bytes left