[    1.539402] ip (253) used greatest stack depth: 12168 bytes left
[   74.296658] netem: version 1.3
[  531.553616] ip (18176) used greatest stack depth: 12008 bytes left
[  631.204658] tc (24871) used greatest stack depth: 11880 bytes left
[  693.633038] pm_nl_ctl (28998) used greatest stack depth: 11832 bytes left