CLOUDSTACK-8863: VM doesn't reconnect to internet post VR RESTART/STOP-START/RECREATE

systemvm/patches/debian/config/opt/cloud/bin/vr_cfg.sh

@@ -93,4 +93,15 @@ done < $cfg
 #remove the configuration file, log file should have all the records as well
 rm -f $cfg
 
+# Flush kernel conntrack table
+log_it "VR config: Flushing conntrack table"
+conntrackd -d 2> /dev/null
+if [ $? -eq 0 ]; then
+    conntrackd -F
+    conntrackd -k
+else
+   conntrackd -F
+fi
+log_it "VR config: Flushing conntrack table completed"
+
 exit 0