curl -X POST \
  http://0.0.0.0:9000/netconf/model/pnf-sw-upgrade \
  -H 'Content-Type: application/x-www-form-urlencoded' \
  -H 'cache-control: no-cache' \
  -H 'content-type: multipart/form-data' \
  -F yangModel=@/home/ubuntu/pnf-sw-upgrade.yang \
  -F initialConfig=@/home/ubuntu/pnf-sw-upgrade.data.xml