[    1.813598] grep (238) used greatest stack depth: 12816 bytes left
[    1.951887] ip (254) used greatest stack depth: 12304 bytes left
[    2.473971] ip (295) used greatest stack depth: 12272 bytes left
[   43.063864] ip (2287) used greatest stack depth: 12128 bytes left
[   54.314297] netem: version 1.3
[  586.424336] tc (15679) used greatest stack depth: 11912 bytes left
[  642.783308] pm_nl_ctl (18823) used greatest stack depth: 11864 bytes left