Wait for ONOS to start by checking ONOS logs instead of a static delay.
Enable exception logs in onos log.

Change-Id: Iff967d1daab63e2d3d8f7ac90fe76e2cd7abfa39
diff --git a/src/test/setup/prerequisites.sh b/src/test/setup/prerequisites.sh
index 21920c4..efa374c 100755
--- a/src/test/setup/prerequisites.sh
+++ b/src/test/setup/prerequisites.sh
@@ -41,7 +41,7 @@
 pip install -U robotframework
 pip install -U robotframework-requests
 pip install -U robotframework-sshlibrary
-pip install paramiko
+pip install paramiko==1.10.1
 ( cd /tmp && git clone https://github.com/jpetazzo/pipework.git && cp -v pipework/pipework /usr/bin && rm -rf pipework )
 ## Special mode to pull cord-tester repo in case prereqs was installed by hand instead of repo
 if [ "$1" = "--test" ]; then