[    1.563582] ip (254) used greatest stack depth: 12184 bytes left
[   40.195852] ip (2599) used greatest stack depth: 12136 bytes left
[   48.812536] netem: version 1.3
[  558.520626] tc (16941) used greatest stack depth: 11920 bytes left
[  613.801818] pm_nl_ctl (20242) used greatest stack depth: 11864 bytes left