[    1.817713] ip (257) used greatest stack depth: 12344 bytes left
[    2.262561] MPTCP: bogus mpc option on established client sk
[   47.447718] netem: version 1.3
[  377.358059] ip (5739) used greatest stack depth: 12280 bytes left
[  584.322049] tc (11896) used greatest stack depth: 11872 bytes left