[    1.361754] ip (223) used greatest stack depth: 12216 bytes left
[   50.937561] netem: version 1.3
[   57.408236] ip (4487) used greatest stack depth: 11960 bytes left
[   87.889036] ip (5025) used greatest stack depth: 11936 bytes left
[  543.114280] pm_nl_ctl (24831) used greatest stack depth: 11856 bytes left