Too many messages on knx (after restart OH2.5.0-1)

Hello this is my 2nd try to switch to openhab and now it looks almost good. Sometimes i feels a litle bit slow, so i have looked on my ETS and seen a lot off Messages in my KNX Bus.
ID1= i pressed a butteon on my Device (ok)
ID2 to 26 = Openhab sends a lot Messages (???)

The Address 2/0/41 is on 5 Devices. if one is used i switch 2 Lights on/off (via Modbus device).

KNX.THINGS:

Bridge knx:ip:bridge "BAOS771" [
    ipAddress = "192.168.5.4",
    portNumber = 3671,
    localIp = "192.168.5.20",
    type = "TUNNEL",
    readingPause = 75,
    responseTimeout = 2,
    readRetriesLimit = 1,
    autoReconnectPeriod = 30,
    localSourceAddr = "0.0.0"
]
....
Thing device OG_Flur_Schlafi "Z38i"@"rOG_Flur"  [
        address = "1.1.42",
        fetch = true,
        pingInterval = 600,
        readInterval = 0
    ]
    {
        Type datetime-control : time "Zeit" [ ga = "10.001:4/0/3" ]
        Type datetime-control : date "Datum" [ ga = "11.001:4/0/4" ]
        Type number-control : OG_Flur_T_IST "OG_Flur_T_IST" [ ga = "0/0/201" ]
        Type number-control : OG_Flur_T_SOLL "OG_Flur_T_SOLL" [ ga = "0/0/222+<0/0/202" ]
        Type switch-control : ALLE_ohne_Kinder_R "ALLE_ohne_Kinder_R" [ ga = "1/0/240" ]
        Type switch-control : OG_Schlafzimmer "OG_Schlafzimmer" [ ga = "2/0/41" ]
        Type switch-control : OG_Flur "OG_Flur" [ ga = "2/0/42" ]
        Type switch-control : gDB "gDB" [ ga = "2/0/46" ]
    }

   Thing device OG_Schlafzimmer_Nicki "3B3"@"rOG_Schlafzimmer"  [
        address = "1.1.43",
        fetch = false,
        pingInterval = 600,
        readInterval = 0
    ]
    {
        Type switch-control : OG_Schlafzimmer_R "OG_Schlafzimmer_R" [ ga = "1/0/212" ]
        Type switch-control : OG_Schlafzimmer_Schrank "OG_Schlafzimmer_Schrank"  [ ga = "2/0/21" ]
        Type switch-control : OG_Schlafzimmer "OG_Schlafzimmer"  [ ga = "2/0/41" ]   
    }

   Thing device OG_Schlafzimmer_Markus "3B3"@"rOG_Schlafzimmer"  [
        address = "1.1.44",
        fetch = false,
        pingInterval = 600,
        readInterval = 0
    ]
    {
        Type switch-control : OG_Schlafzimmer_R "OG_Schlafzimmer_R" [ ga = "1/0/212" ]
        Type switch-control : OG_Schlafzimmer_Schrank "OG_Schlafzimmer_Schrank"  [ ga = "2/0/21" ]
        Type switch-control : OG_Schlafzimmer "OG_Schlafzimmer"  [ ga = "2/0/41" ]   
    }

   Thing device OG_Schlafzimmer_Balkon "3B3"@"rOG_Schlafzimmer"  [
        address = "1.1.45",
        fetch = false,
        pingInterval = 600,
        readInterval = 0
    ]
    {
        Type switch-control : OG_Schlafzimmer_R "OG_Schlafzimmer_R" [ ga = "1/0/212" ]
        Type switch-control : OG_Schlafzimmer_Balkon "OG_Schlafzimmer_Balkon"  [ ga = "2/0/38" ]
        Type switch-control : OG_Schlafzimmer "OG_Schlafzimmer"  [ ga = "2/0/41" ]   
    }

    Thing device OG_Schlafzimmer "Z38i"@"rOG_Schlafzimmer"  [
        address = "1.1.46",
        fetch = true,
        pingInterval = 600,
        readInterval = 0
    ]
    {
        Type datetime-control : time "Zeit" [ ga = "10.001:4/0/3" ]
        Type datetime-control : date "Datum" [ ga = "11.001:4/0/4" ]
        Type number-control : OG_Schlafzimmer_T_IST "OG_Schlafzimmer_T_IST" [ ga = "0/0/203" ]
        Type number-control : OG_Schlafzimmer_T_SOLL "OG_Schlafzimmer_T_SOLL" [ ga = "0/0/224+<0/0/204" ]
        Type switch-control : Alle_R "Alle_R"  [ ga = "1/0/0" ]
        Type switch-control : OG_Schlafzimmer_Eckfenster1_R "OG_Schlafzimmer_Eckfenster1_R"  [ ga = "1/0/201" ]
        Type switch-control : OG_Schlafzimmer_Balkon_R "OG_Schlafzimmer_Balkon_R"  [ ga = "1/0/203" ]
        Type switch-control : OG_Schlafzimmer_klein_R "OG_Schlafzimmer_klein_R"  [ ga = "1/0/211" ]
        Type switch-control : OG_Schlafzimmer_R "OG_Schlafzimmer_R" [ ga = "1/0/212" ]
        Type switch-control : OG_Schlafzimmer_Bett "OG_Schlafzimmer_Bett" [ ga = "2/0/17" ]
        Type switch-control : OG_Schlafzimmer_Schrank "OG_Schlafzimmer_Schrank" [ ga = "2/0/21" ]
        Type switch-control : OG_Schlafzimmer "OG_Schlafzimmer" [ ga = "2/0/41" ]
    }
....

Lichter.items

Switch  OG_Schlafi_Lichter           "Schlafzimmer Lichter"       <light>     (rOG_Schlafzimmer,lichter)      ["Lighting"]          {channel="modbus:data:bk9000lampen:coils:mb_DO_19_2:switch, modbus:data:bk9000lampen:coils:mb_DO_20_1:switch", channel="knx:device:bridge:OG_Flur_Schlafi:OG_Schlafzimmer, knx:device:bridge:OG_Schlafzimmer_Nicki:OG_Schlafzimmer, knx:device:bridge:OG_Schlafzimmer_Markus:OG_Schlafzimmer, knx:device:bridge:OG_Schlafzimmer_Balkon:OG_Schlafzimmer, knx:device:bridge:OG_Schlafzimmer:OG_Schlafzimmer"}

if i disable 4 of my 5

Type switch-control : OG_Schlafzimmer “OG_Schlafzimmer” [ ga = “2/0/41” ]

i get a better result in my ETS-Monitor

AND alle 5 Buttons are Working! Very nice.
so i enabled all 5 of my 5 Elements again to check.
Everything Looks good and ETS-Monitor Shows only one OpenhabMSG. Strange.
After restarting Openhab, without changing my config, i geht the spam again.

Is this a bug?
is it correct to wirte my used GA`s under each knx-Device?
What is this the best practies here?

  • Platform information:
    • Hardware: Raspberry PI4
    • Java Runtime Environment: java version “1.8.0_231”
    • openHAB version: 2.5.0-1