DHCP offering lease to repeater client, why?

Hello,
I have updated to 6.46.6 and I started to see these error messages in the log on my main mikrotik router.

15:14:43 dhcp,warning DHCP offering lease 192.168.1.10 for CC:2D:E0:3F:23:A9 without success 
15:14:47 dhcp,warning DHCP offering lease 192.168.1.10 for CC:2D:E0:3F:23:A9 without success 
15:14:51 dhcp,warning DHCP offering lease 192.168.1.10 for CC:2D:E0:3F:23:A9 without success 
15:14:55 dhcp,warning DHCP offering lease 192.168.1.10 for CC:2D:E0:3F:23:A9 without success 
15:14:59 dhcp,warning DHCP offering lease 192.168.1.10 for CC:2D:E0:3F:23:A9 without success 
15:15:03 dhcp,warning DHCP offering lease 192.168.1.10 for CC:2D:E0:3F:23:A9 without success 
15:15:07 dhcp,warning DHCP offering lease 192.168.1.10 for CC:2D:E0:3F:23:A9 without success 
15:15:11 dhcp,warning DHCP offering lease 192.168.1.10 for CC:2D:E0:3F:23:A9 without success 
15:15:15 dhcp,warning DHCP offering lease 192.168.1.10 for CC:2D:E0:3F:23:A9 without success 
15:15:19 dhcp,warning DHCP offering lease 192.168.1.10 for CC:2D:E0:3F:23:A9 without success

Just for the clearance I have 3 times 962UiGS-5HacT2HnT and I am using them as repeaters.
[1] is 2.4GHz master and 5GHz repeater (connected to internet, providing DHCP for whole network)
[2] is 2.5GHz repeater and 5GHz repeater
[3] is 2.4GHz repeater and 5GHz master

Simply enough, no mesh, nothing and it is working but once a while after update it stops working and some propblem occurs. I might hard reset all routers and when I set them up it just works nicely, but well I would like to find out the problems.

The MAC address is this device

1     name="5 GHz" mtu=1500 l2mtu=1600 mac-address=CE:2D:E0:3F:23:A9 arp=enabled interface-type=virtual 
      master-interface=5 GHz - Connect mode=ap-bridge ssid=„XXXX" vlan-mode=no-tag vlan-id=1 wds-mode=disabled 
      wds-default-bridge=none wds-ignore-ssid=no bridge-mode=enabled default-authentication=yes default-forwarding=yes 
      default-ap-tx-limit=0 default-client-tx-limit=0 hide-ssid=no security-profile=XXXX

 2  R name="5 GHz - Connect" mtu=1500 l2mtu=1600 mac-address=CC:2D:E0:3F:23:A9 arp=enabled interface-type=Atheros AR9888 
      mode=station-bridge ssid=„XXXX" frequency=auto band=5ghz-a/n/ac channel-width=20/40/80mhz-XXXX 
      secondary-channel="" scan-list=default wireless-protocol=802.11 vlan-mode=no-tag vlan-id=1 wds-mode=disabled 
      wds-default-bridge=none wds-ignore-ssid=no bridge-mode=enabled default-authentication=yes default-forwarding=yes 
      default-ap-tx-limit=0 default-client-tx-limit=0 hide-ssid=no security-profile=XXXX compression=no

So 2 is getting connected to 5GHz network and 1 transmits further, but I am wondering why it tries to assign IP to the 5GHz - Connect interface every few seconds I dont know.

Anyone faced this issue? Strange that other routers are fine (don’t see them in the DHCP lease/log) only this one on the same server DHCP server is located.

I had also tried debug logging and found out „unknown(77)“ error, which tells something about… Another Mac Address or whatever?

19:39:31 dhcp,debug,packet DHCP received discover with id 1287648795 from 0.0.0.0 
19:39:31 dhcp,debug,packet     secs = 6029 
19:39:31 dhcp,debug,packet     ciaddr = 0.0.0.0 
19:39:31 dhcp,debug,packet     chaddr = CC:2D:E0:3F:23:A9 
19:39:31 dhcp,debug,packet     Msg-Type = discover 
19:39:31 dhcp,debug,packet     Parameter-List = Subnet-Mask,Classless-Route,Router,Static-Route,Domain-Server,NTP-Server,CAPWAP
-Server,Vendor-Specific 
19:39:31 dhcp,debug,packet     Host-Name = „XXXXXX" 
19:39:31 dhcp,debug,packet     Client-Id = 01-CC-2D-E0-3F-23-A9 
19:39:31 dhcp,debug,packet     Unknown(77) = 48-4F-4D-45-4E-45-54

I recently started experiencing this same behaviour when using a joowin wifi repeater.
Packages version: 6.47
Current firmware: 6.46.4