[    2.327020] ip (227) used greatest stack depth: 12160 bytes left
[    5.009008] ip (1023) used greatest stack depth: 12088 bytes left
[   50.517987] netem: version 1.3
[   65.306108] ip (4640) used greatest stack depth: 12072 bytes left
[  529.725589] pm_nl_ctl (24834) used greatest stack depth: 11888 bytes left