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A search on the MAC addresses (00:30:59:03:13:58, 00:c0:3a:8d:11:05) at the Wireshark oui-lookup:

00:30:59 Kontron Europe GmbH
00:C0:3A duagon Germany GmbH

https://www.kontron.com/en
https://www.duagon.com/

They are both IOT vendors.
Duagon also makes gateways so the destination could be a different device on the other side of it.

Frame 1: 134 bytes on wire (1072 bits), 134 bytes captured (1072 bits) on interface Fake IF, Import from Hex Dump, id 0
Ethernet II, Src: KontronE_03:13:58 (00:30:59:03:13:58), Dst: duagonGe_8d:11:05 (00:c0:3a:8d:11:05)
Internet Protocol Version 4, Src: 10.10.5.41 (10.10.5.41), Dst: 10.10.5.40 (10.10.5.40)
Transmission Control Protocol, Src Port: 1052, Dst Port: 50000, Seq: 1, Ack: 1, Len: 80
eXtensible Markup Language
    &ltc>
        &ltCode>
            GuiSignalValue
            &lt/Code>
        &ltDS>
            11
            &lt/DS>
        &ltp>
            31
            &lt/p>
        &ltp>
            1
            &lt/p>
        &ltDS>
            3
            &lt/DS>
        &ltp>
            1
            &lt/p>
        &lt/c>