[    1.723041] ip (254) used greatest stack depth: 12304 bytes left
[    2.030826] ip (286) used greatest stack depth: 12272 bytes left
[   50.659805] netem: version 1.3
[   58.259281] ip (2980) used greatest stack depth: 12240 bytes left
[  562.361059] tc (15677) used greatest stack depth: 11952 bytes left
[  620.100609] pm_nl_ctl (18823) used greatest stack depth: 11608 bytes left