minor changes to make sure that arpproxy uses the global config
minor changes to make sure that arpproxy uses the global config

h2020-endeavour/iSDX,sdn-ixp/iSDX,h2020-endeavour/iSDX,sdn-ixp/iSDX,sdn-ixp/iSDX,h2020-endeavour/iSDX,huxh10/iSDX,huxh10/iSDX,huxh10/iSDX,huxh10/iSDX,huxh10/iSDX,huxh10/iSDX,sdn-ixp/iSDX,huxh10/iSDX,sdn-ixp/iSDX,sdn-ixp/iSDX,sdn-ixp/iSDX,h2020-endeavour/iSDX,h2020-endeavour/iSDX,huxh10/iSDX,h2020-endeavour/iSDX,huxh10/iSDX,h2020-endeavour/iSDX