[    1.650302] ip (255) used greatest stack depth: 12248 bytes left
[    9.044414] ip (1047) used greatest stack depth: 12048 bytes left
[   49.520939] netem: version 1.3
[  543.635750] tc (15681) used greatest stack depth: 11952 bytes left
[  603.709742] pm_nl_ctl (18824) used greatest stack depth: 11856 bytes left