[    1.855305] ip (264) used greatest stack depth: 12432 bytes left
[    2.112977] ip (283) used greatest stack depth: 12384 bytes left
[   17.490271] ip (1304) used greatest stack depth: 12360 bytes left
[   44.573323] ip (2429) used greatest stack depth: 12256 bytes left
[   54.106165] netem: version 1.3
[  123.339097] ip (3656) used greatest stack depth: 12128 bytes left
[  622.781928] tc (15685) used greatest stack depth: 11936 bytes left
[  689.998647] pm_nl_ctl (18831) used greatest stack depth: 11880 bytes left