[    2.092916] ip (254) used greatest stack depth: 12392 bytes left
[    2.573095] ip (286) used greatest stack depth: 12344 bytes left
[   49.245911] ip (2540) used greatest stack depth: 12064 bytes left
[   58.012207] netem: version 1.3
[  444.251258] ip (9523) used greatest stack depth: 12032 bytes left
[  608.378494] tc (15485) used greatest stack depth: 11936 bytes left
[  672.279449] pm_nl_ctl (18608) used greatest stack depth: 11624 bytes left