Revert "Merge pull request #375 from Zipfer/floating_ip"

This reverts commit 1d50caf6cb3b9447a58d9f13b136ad6bd3181e23, reversing
changes made to 81e34f0479ceefb88e416e1f168149bf530d382b.
Revert "Merge pull request #356 from Zipfer/floating_ip"

This reverts commit 55ce8ac1f75f9e88b8d26f3dcdd54ee5918a983d, reversing
changes made to aa612993500823e6aa18b4b82d65820fab85e888.
Merge pull request #382 from aglarendil/develop

Revert floating_ip regeressions