[    2.045716] ip (260) used greatest stack depth: 12392 bytes left
[    2.399195] ip (289) used greatest stack depth: 12344 bytes left
[   42.481627] ip (2139) used greatest stack depth: 12288 bytes left
[   55.099097] netem: version 1.3
[   64.200422] ip (3011) used greatest stack depth: 12240 bytes left
[  615.389550] tc (15593) used greatest stack depth: 11936 bytes left
[  683.265895] pm_nl_ctl (18732) used greatest stack depth: 11624 bytes left