[    1.390487] ip (216) used greatest stack depth: 12216 bytes left
[    1.452857] ip (229) used greatest stack depth: 12184 bytes left
[   50.178543] ip (4109) used greatest stack depth: 11992 bytes left
[   50.844543] netem: version 1.3
[   95.802418] ip (5221) used greatest stack depth: 11960 bytes left
[  533.729719] pm_nl_ctl (24834) used greatest stack depth: 11856 bytes left