[    2.520816] ip (220) used greatest stack depth: 12272 bytes left
[    2.577789] ip (238) used greatest stack depth: 12080 bytes left
[    4.314525] ip (710) used greatest stack depth: 12064 bytes left
[   52.285278] netem: version 1.3
[  535.033717] pm_nl_ctl (24673) used greatest stack depth: 11856 bytes left