[    1.695890] ip (254) used greatest stack depth: 12296 bytes left
[   53.109162] netem: version 1.3
[  521.711658] ip (14011) used greatest stack depth: 12232 bytes left
[  639.092252] tc (21382) used greatest stack depth: 11952 bytes left
[  696.147359] pm_nl_ctl (24521) used greatest stack depth: 11872 bytes left