[    1.920475] sysctl (262) used greatest stack depth: 12744 bytes left
[    2.008284] ip (269) used greatest stack depth: 12392 bytes left
[    2.178310] ip (288) used greatest stack depth: 12216 bytes left
[    3.486850] ip (431) used greatest stack depth: 12200 bytes left
[   39.086572] ip (2170) used greatest stack depth: 11944 bytes left
[   52.459592] netem: version 1.3
[  560.475252] tc (16940) used greatest stack depth: 11920 bytes left
[  618.249645] pm_nl_ctl (20241) used greatest stack depth: 11800 bytes left