[  439.318979] pm_nl_ctl (12639) used greatest stack depth: 12336 bytes left
[  490.499015] ip (13863) used greatest stack depth: 12256 bytes left
[  707.929307] tc (21521) used greatest stack depth: 11936 bytes left
[  773.697939] pm_nl_ctl (24667) used greatest stack depth: 11880 bytes left