[    1.622574] ip (252) used greatest stack depth: 12248 bytes left
[   50.744915] netem: version 1.3
[  472.682355] ip (11683) used greatest stack depth: 12200 bytes left
[  551.813213] tc (15679) used greatest stack depth: 11952 bytes left
[  608.988135] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left