[    2.370306] ip (288) used greatest stack depth: 12272 bytes left
[    5.378870] ip (544) used greatest stack depth: 12112 bytes left
[   55.256397] netem: version 1.3
[  610.312413] tc (15595) used greatest stack depth: 11936 bytes left
[  676.467633] pm_nl_ctl (18731) used greatest stack depth: 11912 bytes left