[    2.343114] ip (284) used greatest stack depth: 12288 bytes left
[   59.568200] netem: version 1.3
[  550.752184] ip (12755) used greatest stack depth: 12264 bytes left
[  635.120494] tc (15682) used greatest stack depth: 11936 bytes left
[  702.922281] pm_nl_ctl (18826) used greatest stack depth: 11784 bytes left