Fix the rule of port allocate when executing -p multiple times for one command

[tces1]

#2256
Fix public ports always assign to the same port numbe issue

[tces1]

HI, is any comments about this pr?

[AkihiroSuda]

lint is failing

[AkihiroSuda]

Please squash commits

[tces1]

Please squash commits

Thanks for the heads up, this is my first pr to a formal project and some of the features are not very familiar, did I succeed with the squash operation please?

[AkihiroSuda]

Please squash commits

Thanks for the heads up, this is my first pr to a formal project and some of the features are not very familiar, did I succeed with the squash operation please?

You can remove "Fix golint issue" from the commit message.
The "Signed-off-by" line should be in the last.

[tces1]

Please squash commits

Thanks for the heads up, this is my first pr to a formal project and some of the features are not very familiar, did I succeed with the squash operation please?

You can remove "Fix golint issue" from the commit message. The "Signed-off-by" line should be in the last.

Thanks, I have modified by your tips.

[AkihiroSuda]

Thanks, I'm merging this, but please consider adding an integration test