[    1.329698] ip (217) used greatest stack depth: 12216 bytes left
[    2.012661] ip (398) used greatest stack depth: 11992 bytes left
[   51.116196] netem: version 1.3
[   98.075534] ip (5035) used greatest stack depth: 11960 bytes left
[  558.789256] pm_nl_ctl (24835) used greatest stack depth: 11856 bytes left