[    1.720701] ip (255) used greatest stack depth: 12504 bytes left
[    1.860372] ip (268) used greatest stack depth: 12472 bytes left
[    3.144556] ip (418) used greatest stack depth: 12328 bytes left
[   49.941214] netem: version 1.3
[  121.064136] ip (3651) used greatest stack depth: 12104 bytes left
[  580.196857] tc (15681) used greatest stack depth: 11928 bytes left
[  638.091754] pm_nl_ctl (18826) used greatest stack depth: 11872 bytes left