[    1.965382] ip (253) used greatest stack depth: 12248 bytes left
[    2.368131] ip (285) used greatest stack depth: 12200 bytes left
[    4.622383] ip (497) used greatest stack depth: 12184 bytes left
[   53.605008] netem: version 1.3
[  114.866122] ip (3461) used greatest stack depth: 12088 bytes left
[  593.863963] tc (15678) used greatest stack depth: 11952 bytes left
[  650.731255] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left