[    2.075150] ip (181) used greatest stack depth: 12352 bytes left
[    2.116944] ip (194) used greatest stack depth: 12320 bytes left
[   50.510409] netem: version 1.3
[   86.786057] ip (4771) used greatest stack depth: 12304 bytes left
[  551.077856] pm_nl_ctl (24829) used greatest stack depth: 11952 bytes left