[   32.074513][  T438] ip (438) used greatest stack depth: 23552 bytes left
[  436.516868][ T8719] iperf3[8719]: segfault at 0 ip 0000000000000000 sp 00007ffd8cffa3d0 error 14
[  436.516875][ T8756] iperf3[8756]: segfault at ffffffffffffffff ip 00007fd060006574 sp 00007ffd8cffa310 error 5
[  436.517233][ T8719]  likely on CPU 0 (core 0, socket 0)
[  436.517686][ T8756]  in libz.so.1.2.11[9574,7fd060000000+f000]
[  436.517855][ T8719] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[  436.518804][ T8756]  likely on CPU 1 (core 1, socket 0)
[  436.519036][ T8756] Code: 28 48 85 c0 74 13 48 29 d0 0f 1f 44 00 00 48 83 c2 01 80 7c 10 ff 00 75 f5 48 8b 47 38 48 85 c0 74 0f 48 29 d0 90 48 83 c2 01 <80> 7c 10 ff 00 75 f5 8b 47 44 85 c0 0f 84 61 ff ff ff 48 83 c2 02