[    2.193056] ip (268) used greatest stack depth: 12600 bytes left
[    2.304455] ip (277) used greatest stack depth: 12472 bytes left
[    2.415215] ip (286) used greatest stack depth: 12344 bytes left
[   55.131911] netem: version 1.3
[  323.707559] ip (5172) used greatest stack depth: 12064 bytes left
[  607.233982] tc (12618) used greatest stack depth: 11936 bytes left