[    1.848751] ip (255) used greatest stack depth: 12248 bytes left
[   50.972009] netem: version 1.3
[  495.770971] ip (13216) used greatest stack depth: 12152 bytes left
[  558.953565] tc (15679) used greatest stack depth: 11952 bytes left
[  616.970276] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left