[    2.161280] ip (189) used greatest stack depth: 12336 bytes left
[    3.317074] ip (525) used greatest stack depth: 12080 bytes left
[   50.588959] netem: version 1.3
[  101.795409] ip (5181) used greatest stack depth: 12064 bytes left
[  527.883989] pm_nl_ctl (24826) used greatest stack depth: 11936 bytes left