[    1.894819] ip (254) used greatest stack depth: 12392 bytes left
[    2.223095] ip (277) used greatest stack depth: 12344 bytes left
[   58.436937] netem: version 1.3
[  293.284128] ip (5913) used greatest stack depth: 12288 bytes left
[  675.177203] pm_nl_ctl (18732) used greatest stack depth: 11832 bytes left