Connections are not initialized correctly

Summary

Connections are not initialized correctly with two identical hostnames/ip-adresses but different ports.

Explain your context

Local test servers with identical hostnames (i.e. localhost:4840 and localhost:4842) but different ports are not correctly assigned to the nodes and therefore cannot be read. The reason for this is that connections are only initialized with hostnames

What is the expected correct behavior? What was your goal?

Correctly assign nodes to identical hostnames/IP-addresses but different ports.

What is the current bug behavior?

(What actually happens.)

Was there an error message?

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Steps to reproduce

(How one can reproduce the issue - this is very important)