[WIP] DO NOT MERGE YET Revert "[Backport 17.06] Overlay fix for transient IP reuse"

[andrewhsu]

Reverts #1965

From discussion with @fcrisciani, needs more work. Better to revert for now so we can vndr the bump_17.06 branch with changes from @abhi.

[GordonTheTurtle]

Please sign your commits following these rules:
https://github.com/moby/moby/blob/master/CONTRIBUTING.md#sign-your-work
The easiest way to do this is to amend the last commit:

$ git clone -b "revert-1965-backport-17.06" git@github.com:andrewhsu/libnetwork.git somewhere
$ cd somewhere
$ git commit --amend -s --no-edit
$ git push -f

Amending updates the existing PR. You DO NOT need to open a new one.

[andrewhsu]

cc @mavenugo

[mavenugo]

@andrewhsu reverting this will affect #1969. Are you sure about it ? cc @fcrisciani

[fcrisciani]

This fix is taking care of the failure that I was seeing yesterday. #1969
Not sure about the timing here, today I did not have time to do any further testing on it

[mavenugo]

@fcrisciani since #1969 is opened against the bump_17.06 branch and it is dependent on #1965... reverting #1965 will make #1969 useless.

So am not sure what is the purpose of this PR, when #1969 was opened to address the issue ?
cc @andrewhsu do you know ?

[andrewhsu]

this is not needed anymore because we got #1969