[    3.224954] ip (514) used greatest stack depth: 12152 bytes left
[    4.328674] ip (854) used greatest stack depth: 12080 bytes left
[   50.360003] netem: version 1.3
[  121.569109] ip (5178) used greatest stack depth: 12064 bytes left
[  547.700016] pm_nl_ctl (24827) used greatest stack depth: 11944 bytes left