[    1.861879] ip (257) used greatest stack depth: 12304 bytes left
[    2.268463] ip (288) used greatest stack depth: 12272 bytes left
[   60.676483] netem: version 1.3
[   69.264405] ip (3016) used greatest stack depth: 12120 bytes left
[  104.358482] ip (3478) used greatest stack depth: 12000 bytes left
[  517.322118] ip (11551) used greatest stack depth: 11976 bytes left
[  616.000246] tc (15590) used greatest stack depth: 11936 bytes left
[  683.653164] pm_nl_ctl (18728) used greatest stack depth: 11912 bytes left