[    2.124029] ip (190) used greatest stack depth: 12360 bytes left
[    2.175126] ip (207) used greatest stack depth: 12112 bytes left
[   50.885541] netem: version 1.3
[   58.239465] ip (4457) used greatest stack depth: 12088 bytes left
[  540.536318] pm_nl_ctl (24826) used greatest stack depth: 11944 bytes left