[stable/2023.2] [ATMOSPHERE-619] Add iproute2 in nova-ssh image (#2272)

This is an automated cherry-pick of #2265
/assign mnaser
diff --git a/images/nova-ssh/Dockerfile b/images/nova-ssh/Dockerfile
index f79653b..826613d 100644
--- a/images/nova-ssh/Dockerfile
+++ b/images/nova-ssh/Dockerfile
@@ -7,6 +7,7 @@
 RUN <<EOF bash -xe
 apt-get update -qq
 apt-get install -qq -y --no-install-recommends \
+    iproute2 \
     openssh-server \
     openssh-client
 EOF