[    2.155021] ip (257) used greatest stack depth: 12344 bytes left
[    2.845282] MPTCP: bogus mpc option on established client sk
[    5.863728] ip (539) used greatest stack depth: 12072 bytes left
[   51.895503] netem: version 1.3
[  570.171537] tc (11931) used greatest stack depth: 11872 bytes left