[    2.141223] ip (196) used greatest stack depth: 12256 bytes left
[    2.224859] ip (223) used greatest stack depth: 12208 bytes left
[    3.293399] ip (515) used greatest stack depth: 12120 bytes left
[   17.248199] ip (1653) used greatest stack depth: 12112 bytes left
[   51.080544] netem: version 1.3
[   59.923277] ip (4430) used greatest stack depth: 12080 bytes left
[  550.791315] pm_nl_ctl (24824) used greatest stack depth: 11944 bytes left