[    2.542888] grep (202) used greatest stack depth: 12488 bytes left
[    2.600365] ip (218) used greatest stack depth: 12216 bytes left
[    2.732153] ip (258) used greatest stack depth: 11960 bytes left
[   18.058540] ip (1699) used greatest stack depth: 11936 bytes left
[   52.372652] netem: version 1.3
[  555.215475] pm_nl_ctl (25014) used greatest stack depth: 11864 bytes left