Fix to update docker-py to 1.9.0 version to avoid exec command hangs through docker-py client.
Also remove the links for ovs interfaces from linux during cleanup.
This would enable the containers to be configured again with the peer interfaces on setup
Change-Id: I923c7ebec2ff0724eb59af11a4c21a260a56772c
(cherry picked from commit e463106a73117bb328ad66c9285120a51bd30f98)
diff --git a/src/test/setup/prerequisites.sh b/src/test/setup/prerequisites.sh
index 709fbff..21920c4 100755
--- a/src/test/setup/prerequisites.sh
+++ b/src/test/setup/prerequisites.sh
@@ -31,7 +31,7 @@
pip install scapy==2.3.2
pip install monotonic
pip install configObj
-pip install -U docker-py
+pip install docker-py==1.9.0
pip install -U pyyaml
pip install -U nsenter
pip install -U pyroute2