+# upgrade ovs into ovs 2.5.90 with NSH function
+curl -L -O ${onos_ovs_uri}/${onos_ovs_pkg}
+tar -xzf ${onos_ovs_pkg}
+LIBGUESTFS_BACKEND=direct virt-customize --upload ${ovs_kmod_rpm_name}:/root/ \
+ --run-command "yum install -y /root/${ovs_kmod_rpm_name}" \
+ --upload ${ovs_rpm_name}:/root/ \
+ --run-command "yum upgrade -y /root/${ovs_rpm_name}" \
+ -a overcloud-full-onos_build.qcow2
+
+