[    1.805743] ip (285) used greatest stack depth: 12272 bytes left
[   36.095548] ip (2108) used greatest stack depth: 12240 bytes left
[   46.695366] netem: version 1.3
[   53.952945] ip (3018) used greatest stack depth: 12112 bytes left
[  551.474310] tc (15678) used greatest stack depth: 11952 bytes left
[  608.919408] pm_nl_ctl (18823) used greatest stack depth: 11864 bytes left