[20179] TCP unique client announced local port (backport #4216)

[mergify]

This is an automatic backport of pull request #4216 done by Mergify.
Cherry-pick of b43f3a0 has failed:

On branch mergify/bp/2.6.x/pr-4216
Your branch is up to date with 'origin/2.6.x'.

You are currently cherry-picking commit b43f3a065.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   src/cpp/rtps/transport/tcp/RTCPMessageManager.cpp
	modified:   test/unittest/transport/TCPv4Tests.cpp
	modified:   test/unittest/transport/mock/MockTCPv4Transport.h
	new file:   test/unittest/transport/mock/MockTCPv6Transport.h

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   src/cpp/rtps/transport/TCPTransportInterface.cpp
	both modified:   src/cpp/rtps/transport/TCPTransportInterface.h
	both modified:   test/unittest/transport/TCPv6Tests.cpp

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[JesusPoderoso]

@richiprosima plase test this

[Mario-DL]

@jepemi would you mind rebasing here as well ?

[jepemi]

• Merge after [20262] Fix wrong log info messages on TCP (backport #4258) #4314

[Mario-DL]

@jepemi would you mind rebasing over 2.6.x here ? I checked in local and there are some conflicts

[Mario-DL]

@richiprosima please test this

[Mario-DL]

Thread sanitizer passed but got stuck at the post-setup ccache step. Windows github v141 runs on flaky tests but jenkins correctly addressed them. Mac jenkins failed tests are unrelated. Ready to merge