[    2.171660] ip (187) used greatest stack depth: 12360 bytes left
[    2.763464] ip (367) used greatest stack depth: 12120 bytes left
[   42.136915] ip (3246) used greatest stack depth: 12088 bytes left
[   50.492846] netem: version 1.3
[  527.568660] pm_nl_ctl (24836) used greatest stack depth: 11944 bytes left