[    2.235469] ip (261) used greatest stack depth: 12304 bytes left
[    2.578703] ip (283) used greatest stack depth: 12272 bytes left
[   40.176618] ip (1881) used greatest stack depth: 12248 bytes left
[   56.726989] netem: version 1.3
[  123.600825] ip (3765) used greatest stack depth: 12240 bytes left
[  614.413589] tc (15682) used greatest stack depth: 11936 bytes left
[  683.298978] pm_nl_ctl (18828) used greatest stack depth: 11704 bytes left