Problems with Ethernet network by adding new Operating System

Hi
In the project that is attached to the file.
I want to add a new OS.
Why is the connection to the Ethernet network interrupted by connecting the Ethernet network cable to CP1613?
What can cause this problem?

Can't see CP1613 in your drawing. When you plug in this new device, what exactly happens?

Duplicate IP address?

thanks for your attention
IP Addresses are different and do not interfere with each other.
When I add the fourth OS(New Operating Station), the Ethernet network is disconnected and connected.
Connecting systems to the Ethernet network via CP1613.