[    1.745129] ip (255) used greatest stack depth: 12184 bytes left
[   21.393780] ip (1504) used greatest stack depth: 12136 bytes left
[   48.045562] netem: version 1.3
[  566.547420] tc (16941) used greatest stack depth: 11928 bytes left
[  622.446338] pm_nl_ctl (20242) used greatest stack depth: 11864 bytes left