[    2.286280] ip (289) used greatest stack depth: 12344 bytes left
[    6.616199] ip (643) used greatest stack depth: 12064 bytes left
[   54.610296] netem: version 1.3
[  617.901665] tc (15592) used greatest stack depth: 11936 bytes left
[  684.385358] pm_nl_ctl (18729) used greatest stack depth: 11624 bytes left