Bugfix 1491 - adding /etc/protocols

Change-Id: Ib6fa3f6c2c3538aed02c9d6fa122ebc2c6cc5afe
Signed-off-by: sousaedu <eduardo.sousa@canonical.com>

docker/RO/Dockerfile

@@ -28,7 +28,7 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get --yes update && \
     python3 -m easy_install pip==21.0.1
 
 RUN DEBIAN_FRONTEND=noninteractive apt-get --yes install \
-    genisoimage=9:1.1.11-3ubuntu2
+    genisoimage=9:1.1.11-3ubuntu2 netbase=5.4
 
 ARG PYTHON3_OSM_COMMON_URL
 ARG PYTHON3_OSM_NG_RO_URL
@@ -87,6 +87,7 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get --yes update && \
 COPY --from=INSTALL /usr/lib/python3/dist-packages /usr/lib/python3/dist-packages
 COPY --from=INSTALL /usr/local/lib/python3.6/dist-packages  /usr/local/lib/python3.6/dist-packages
 COPY --from=INSTALL /usr/bin/genisoimage /usr/bin/genisoimage
+COPY --from=INSTALL /etc/protocols /etc/protocols
 
 VOLUME /var/log/osm