My AI sais problem is in the shelly log
shos_rpc_inst.c:376 0x3fcbdf6c: duplicate id 'openhab-192.168.17.1'
while
ss -pt dst 192.168.17.28:80
State Recv-Q Send-Q Local Address:Port Peer Address:Port Process
ESTAB 0 0 [::ffff:192.168.17.1]:38592 [::ffff:192.168.17.28]:http
ESTAB 0 0 [::ffff:192.168.17.1]:57226 [::ffff:192.168.17.28]:http
(sometimes) shows multiple connections.
My AI and i are giving up … meaning MQTT is the workaround.