slapos-configure: fix ipv4_local_network is not expected

windows/scripts/ip

@@ -326,7 +326,7 @@ function install_tap_driver()
 
     # check if ifname has been installed
     if [[ ! "$1" == "" ]] ; then
-        if netsh interface ipv6 show interface | grep -q "\\b$1\\b" ; then
+        if netsh interface ipv6 show interface | grep -q "\\b$1\$" ; then
             echo "Nothing need to do, \"$1\" has been installed."
             return 0
         fi

windows/scripts/slapos-configure.sh

@@ -745,7 +745,7 @@ while test $# -gt 0; do
 done
 
 if [[ -z "${_ipv4_local_network}" ]] ; then
-    _ipv4_local_network=$(get_free_local_ipv4_network) ||
+    _ipv4_local_network=$(get_free_local_ipv4_network).0/24 ||
     csih_error "no ipv4_local_network specified"
 fi
 

windows/scripts/slapos-include.sh

@@ -204,7 +204,7 @@ function get_free_local_ipv4_network()
         addr=${seg1}.${seg2}
     
         ! IPCONFIG /ALL | grep -q ${addr} &&
-        echo ${addr} &&
+        echo 10.${addr} &&
         return 0
     
         let i--