[    2.149596] ip (185) used greatest stack depth: 12352 bytes left
[    2.205676] ip (202) used greatest stack depth: 12120 bytes left
[   17.368742] ip (1661) used greatest stack depth: 12080 bytes left
[   51.173950] netem: version 1.3
[  553.501300] pm_nl_ctl (24825) used greatest stack depth: 11944 bytes left