[    1.393050] ip (219) used greatest stack depth: 12216 bytes left
[    1.411498] ip (224) used greatest stack depth: 12184 bytes left
[    2.068784] ip (399) used greatest stack depth: 11992 bytes left
[   16.881906] ip (1719) used greatest stack depth: 11960 bytes left
[   51.144030] netem: version 1.3
[  557.117084] pm_nl_ctl (24832) used greatest stack depth: 11856 bytes left