Receiving duplicated ack on single wfb tx with single wfb rx

[Craftech001]

Hi, i am brand new user of WFB-ng. I want to use WFb-ng to build a tri-drone managing system. I use this script to open up the wfb service on ground
#!/usr/bin/env bash
set -euo pipefail

echo "[GS] stop wfb"
sudo systemctl stop wifibroadcast@gs.service 2>/dev/null || true

echo "[GS] kill leftover wfb processes"
sudo pkill -9 -f 'wfb_(rx|tx)|wfb-server|wifibroadcast' || true
sleep 2

echo "[GS] start wfb-ng (gs profile)"
sudo systemctl reset-failed wifibroadcast@gs.service 2>/dev/null || true
sudo systemctl start wifibroadcast@gs.service

echo "[GS] quick status"
sudo systemctl --no-pager --full status wifibroadcast@gs.service | sed -n '1,25p' || true

echo "[GS] tail logs (mavlink lines)"
sudo journalctl -u wifibroadcast@gs -n 80 --no-pager | egrep -i 'mavlink|14550|wfb_(rx|tx)|key|session|decrypt|listen|udp' || true

echo

And the following wifibraodcast.cfg

[common]
wifi_channel = 165
wifi_region = 'BO'

[gs_mavlink]
peer = 'connect://127.0.0.1:14550'

Howeve, when I send a long command using python I obtain ack twice with two seq in message header.

from pymavlink import mavutil
import time

m = mavutil.mavlink_connection("udpin:127.0.0.1:14550", dialect="common")
hb = m.wait_heartbeat(timeout=10)
print("HB:", hb)

tx = mavutil.mavlink_connection("udpout:127.0.0.1:14551", dialect="common")
tx.mav.srcSystem = 255
tx.mav.srcComponent = 190

print("Send ARM...")
tx.mav.command_long_send(
m.target_system, 1,
mavutil.mavlink.MAV_CMD_COMPONENT_ARM_DISARM,
0, 1,0,0,0,0,0,0
)

t0 = time.time()
acks = []
while time.time() - t0 < 5:
msg = m.recv_match(type="COMMAND_ACK", blocking=True, timeout=1)
if not msg:
continue
h = msg.get_header()
print(f"ACK: seq={h.seq} from {h.srcSystem}:{h.srcComponent} cmd={msg.command} result={msg.result}")
acks.append(h.seq)

print("ACK count:", len(acks), "seqs:", acks)

may any one help me to point out some issues.

Thanks!

[svpcom]

Do you use multiple drone with single gs simultaneously?