[   11.085325] ip (681) used greatest stack depth: 12360 bytes left
[   18.348994] ip (1528) used greatest stack depth: 12344 bytes left
[  145.892598] iperf3[16071]: segfault at ffffffffffffffb8 ip 00007fb7999eb2bc sp 00007ffef9ece938 error 5 in libc.so.6[ce2bc,7fb799945000+175000] likely on CPU 3 (core 3, socket 0)
[  145.892747] Code: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 89 f8 62 a1 fd 00 ef c0 25 ff 0f 00 00 3d e0 0f 00 00 0f 87 34 01 00 00 <62> f3 7d 20 3f 07 00 c5 fb 93 c0 85 c0 74 55 f3 0f bc c0 c3 f3 0f