Gitlab CI: netifaces installation + minor fixes

cmake_targets/tools/build_helper

@@ -234,14 +234,17 @@ check_install_additional_tools (){
     $SUDO pip install pyroute2
     $SUDO rm -fr /opt/ssh
     $SUDO git clone https://gist.github.com/2190472.git /opt/ssh
-
-    echo "Installing Netinterfaces packge...."
+    
+    log_netiface=$OPENAIR_DIR/cmake_targets/log/netiface_install_log.txt
+    echo_info "Installing Netinterfaces package. The logfile for installation is in $log_netiface"
+    (
     $SUDO rm -fr /tmp/netifaces-0.10.4.tar.gz /tmp/netifaces
     wget -P /tmp  https://pypi.python.org/packages/18/fa/dd13d4910aea339c0bb87d2b3838d8fd923c11869b1f6e741dbd0ff3bc00/netifaces-0.10.4.tar.gz
     tar -xzvf /tmp/netifaces-0.10.4.tar.gz -C /tmp
     cd /tmp/netifaces-0.10.4
     $SUDO python setup.py install
     cd -
+    ) >& $log_netiface
 }
 
 check_install_oai_software() {