[    2.449168] ip (223) used greatest stack depth: 12216 bytes left
[   17.875344] ip (1702) used greatest stack depth: 11968 bytes left
[   52.096432] netem: version 1.3
[   88.037240] ip (4829) used greatest stack depth: 11960 bytes left
[  562.816809] pm_nl_ctl (24822) used greatest stack depth: 11848 bytes left