[    2.122489] ip (190) used greatest stack depth: 12304 bytes left
[    2.199206] ip (216) used greatest stack depth: 12120 bytes left
[   47.578118] ip (3407) used greatest stack depth: 12080 bytes left
[   50.405585] netem: version 1.3
[  523.701070] pm_nl_ctl (24830) used greatest stack depth: 11936 bytes left