[    2.210733] ip (264) used greatest stack depth: 12320 bytes left
[    2.696489] ip (293) used greatest stack depth: 12288 bytes left
[   60.955262] netem: version 1.3
[  285.556938] ip (5756) used greatest stack depth: 12264 bytes left
[  520.461709] ip (12063) used greatest stack depth: 12256 bytes left
[  610.728892] tc (15685) used greatest stack depth: 11936 bytes left
[  677.433220] pm_nl_ctl (18826) used greatest stack depth: 11880 bytes left