[    1.798387] ip (245) used greatest stack depth: 12912 bytes left
[    2.003501] ip (257) used greatest stack depth: 12344 bytes left
[    2.623138] MPTCP: bogus mpc option on established client sk
[   51.893957] netem: version 1.3
[  101.266002] ip (2736) used greatest stack depth: 12056 bytes left
[  555.890840] tc (11901) used greatest stack depth: 11824 bytes left