Added the scripts for net pings, other tiny fixes

List of changes:
* Added the scripts to ping MCC, MOSK nodes via cfg-checker
* Added allow fio port for allow all cvp sg
* Added nfs-utils package dowload for manila share testing

Related-PROD: PROD-37187
Change-Id: I3a13f9967c2e91510bf924a5183d79964d6e962e
diff --git a/scripts/prepare.sh b/scripts/prepare.sh
index fbf2abc..226f0c3 100644
--- a/scripts/prepare.sh
+++ b/scripts/prepare.sh
@@ -239,6 +239,8 @@
     echo security group rule create --protocol tcp --dst-port 80 ${sg_all} >>${cmds}
     # https
     echo security group rule create --protocol tcp --dst-port 443 ${sg_all} >>${cmds}
+    # fio
+    echo security group rule create --protocol tcp --dst-port 8765 ${sg_all} >>${cmds}
 }
 
 function _sg_icmp() {