deployment: explicitely set hostname in ngcp-network

From: Michael Prokop <mprokop@sipwise.com>

deployment.sh

@@ -1183,12 +1183,12 @@ if "$PRO_EDITION" ; then
 
   cp /etc/ngcp-config/network.yml /etc/ngcp-config/network.yml.factory_default
 
-  ngcp-network --set-interface=lo --set-interface=$DEFAULT_INSTALL_DEV --set-interface=$INTERNAL_DEV
-  ngcp-network --peer=$PEER
+  ngcp-network --host=$ROLE --set-interface=lo --set-interface=$DEFAULT_INSTALL_DEV --set-interface=$INTERNAL_DEV
+  ngcp-network --host=$ROLE --peer=$PEER
   ngcp-network --host=$PEER --peer=$ROLE --set-interface=lo
-  ngcp-network --set-interface=$INTERNAL_DEV
-  ngcp-network --move-from=lo --move-to=$INTERNAL_DEV --type=ha_int
-  ngcp-network --set-interface=eth1 --host=$PEER --ip=$DEFAULT_IP2 --netmask=$DEFAULT_INTERNAL_NETMASK --type=ha_int
+  ngcp-network --host=$ROLE --set-interface=$INTERNAL_DEV
+  ngcp-network --host=$ROLE --move-from=lo --move-to=$INTERNAL_DEV --type=ha_int
+  ngcp-network --host=$ROLE --set-interface=eth1 --host=$PEER --ip=$DEFAULT_IP2 --netmask=$DEFAULT_INTERNAL_NETMASK --type=ha_int
 
   cp /etc/ngcp-config/network.yml /mnt/glusterfs/shared_config/network.yml