iperf3 service port loss

[aikeyan]

/usr/bin/iperf3 -s -p 5201 &
/usr/bin/iperf3 -s -p 5202 &
/usr/bin/iperf3 -s -p 5203 &
/usr/bin/iperf3 -s -p 5204 &
/usr/bin/iperf3 -s -p 5205 &
/usr/bin/iperf3 -s -p 5206 &
/usr/bin/iperf3 -s -p 5207 &

During the voltage ramp-up and ramp-down process on the C-side, the S-side monitoring port 5207 was lost.

log：
[INFO] Starting iperf3 on port 5201
[INFO] Starting iperf3 on port 5202
[INFO] Starting iperf3 on port 5203
[INFO] Starting iperf3 on port 5204
[INFO] Starting iperf3 on port 5205
[WARN] Port 5206 is already in use:
tcp 0 1 172.16.200.98:54506 172.16.200.100:5206 SYN_SENT 1884/iperf3

[INFO] Starting iperf3 on port 5207
iperf3: error - unable to receive control message - port may not be available, the other side may have stopped running, etc.: Connection reset by peer
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
iperf3: error - select failed: Bad file descriptor
malloc(): unsorted double linked list corrupted