[    7.905838] ip (1009) used greatest stack depth: 12200 bytes left
[   48.465868] netem: version 1.3
[  438.164075] ip (10063) used greatest stack depth: 12032 bytes left
[  573.141074] tc (15681) used greatest stack depth: 11952 bytes left
[  631.801789] pm_nl_ctl (18825) used greatest stack depth: 11736 bytes left