[    1.441740] ip (223) used greatest stack depth: 12216 bytes left
[   51.220434] netem: version 1.3
[   60.225889] ip (4459) used greatest stack depth: 12040 bytes left
[  105.706872] ip (5033) used greatest stack depth: 11984 bytes left
[  564.620795] pm_nl_ctl (24821) used greatest stack depth: 11784 bytes left