Merge "Adapt the floating ip handling in functest"

diff --cc sdnvpn/lib/utils.py
Simple merge

diff --cc sdnvpn/test/functest/testcase_1.py
Simple merge

diff --cc sdnvpn/test/functest/testcase_2.py
Simple merge

diff --cc sdnvpn/test/functest/testcase_4.py
Simple merge

diff --cc sdnvpn/test/functest/testcase_7.py
Simple merge

diff --cc sdnvpn/test/functest/testcase_8.py
Simple merge