[    2.595120] ip (226) used greatest stack depth: 12456 bytes left
[    2.643439] ip (244) used greatest stack depth: 12328 bytes left
[    4.442062] ip (735) used greatest stack depth: 12056 bytes left
[   52.201522] netem: version 1.3
[   72.712609] ip (4668) used greatest stack depth: 12048 bytes left
[  561.078175] pm_nl_ctl (24655) used greatest stack depth: 11856 bytes left