[    1.741133] ip (268) used greatest stack depth: 12520 bytes left
[    1.792454] ip (274) used greatest stack depth: 12488 bytes left
[    1.817862] ip (277) used greatest stack depth: 12376 bytes left
[    1.843050] ip (280) used greatest stack depth: 12328 bytes left
[    1.894887] ip (286) used greatest stack depth: 12216 bytes left
[    7.588975] ip (971) used greatest stack depth: 11944 bytes left
[   49.284691] netem: version 1.3
[  599.828622] pm_nl_ctl (20241) used greatest stack depth: 11864 bytes left