[    1.798923] ip (256) used greatest stack depth: 12344 bytes left
[    2.198590] MPTCP: bogus mpc option on established client sk
[    3.750303] ip (441) used greatest stack depth: 12184 bytes left
[   47.628016] netem: version 1.3
[  573.146408] tc (11901) used greatest stack depth: 11872 bytes left