[    1.485726] ip (258) used greatest stack depth: 12232 bytes left
[    2.034728] ip (389) used greatest stack depth: 12072 bytes left
[   49.995622] ip (3931) used greatest stack depth: 11960 bytes left
[   51.374874] netem: version 1.3
[  547.668598] pm_nl_ctl (24834) used greatest stack depth: 11832 bytes left