+
+# Make sure apt-get database is up-to-date
+apt-get update -y --force-yes -qq
+
+# Install vlan for vlan based tests in VTN suites
+apt-get install -y --force-yes -qq vlan
+
+# Install netaddr package which is needed by some custom mininet topologies
+apt-get install -y --force-yes -qq python-netaddr