[    1.882481] ip (294) used greatest stack depth: 12248 bytes left
[   47.125829] netem: version 1.3
[   63.602634] ip (3159) used greatest stack depth: 12136 bytes left
[  556.610634] tc (15681) used greatest stack depth: 11912 bytes left
[  614.919979] pm_nl_ctl (18827) used greatest stack depth: 11872 bytes left