[    2.148246] ip (185) used greatest stack depth: 12360 bytes left
[   30.649235] ip (2910) used greatest stack depth: 12352 bytes left
[   49.914688] netem: version 1.3
[   64.057732] ip (4595) used greatest stack depth: 12312 bytes left
[  527.658194] pm_nl_ctl (24839) used greatest stack depth: 11944 bytes left