[    1.669487] ip (265) used greatest stack depth: 12344 bytes left
[    1.892519] ip (293) used greatest stack depth: 12216 bytes left
[    3.813065] ip (522) used greatest stack depth: 12120 bytes left
[   52.272132] netem: version 1.3
[  454.870011] ip (11680) used greatest stack depth: 12008 bytes left
[  615.095442] pm_nl_ctl (20242) used greatest stack depth: 11864 bytes left