[    2.003224] ip (258) used greatest stack depth: 12392 bytes left
[    2.471455] ip (289) used greatest stack depth: 12344 bytes left
[   61.914537] netem: version 1.3
[  549.203842] ip (12008) used greatest stack depth: 12288 bytes left
[  705.004495] pm_nl_ctl (18733) used greatest stack depth: 11864 bytes left