[    2.190894] ip (207) used greatest stack depth: 12552 bytes left
[    2.215875] ip (216) used greatest stack depth: 12440 bytes left
[    4.361046] ip (859) used greatest stack depth: 12128 bytes left
[   50.447993] netem: version 1.3
[   58.206063] ip (4458) used greatest stack depth: 12104 bytes left
[  538.590349] pm_nl_ctl (24839) used greatest stack depth: 11944 bytes left