[   12.250257] ip (213) used greatest stack depth: 12312 bytes left
[   12.373508] ip (254) used greatest stack depth: 12072 bytes left
[   38.836943] ip (2079) used greatest stack depth: 12040 bytes left
[   58.694041] ip (3447) used greatest stack depth: 12032 bytes left
[   61.808782] netem: version 1.3
[  558.520014] pm_nl_ctl (24852) used greatest stack depth: 11856 bytes left