Closes-Bug: #1654531 - Preventing SM from using docker0 as listen int…

…erface

During install, to automatically pickup correct interface to use, in case --hostip option is not given, we are explicitly blocking:

127.0.0.1 [localhost]
172.17.0.1 [docker0 default address]

Change-Id: I5c99882181804d3e3df23522d200c4570a0ea409

common/debian/contrail-server-manager/debian/postinst

@@ -3,7 +3,7 @@
 set -e
 
 echo "running post install"
-HOST_IP_LIST=`ifconfig | sed -n -e 's/:127\.0\.0\.1 //g' -e 's/ *inet addr:\([0-9.]\+\).*/\1/gp'`
+HOST_IP_LIST=`ifconfig | sed -n -e 's/:127\.0\.0\.1 //g' -e 's/:172\.17\.0\.1//g' -e 's/ *inet addr:\([0-9.]\+\).*/\1/gp'`
 HOST_IP=`echo $HOST_IP_LIST | cut -d' ' -f1`
 if [ -f /opt/contrail/contrail_server_manager/IP.txt ];
 then