slapos-configure.sh: fix ipv4 addr can't be assigned to netcard

windows/scripts/slapos-configure.sh

@@ -233,7 +233,7 @@ function configure_section_network()
         csih_error "install network interface ${slapos_ifname} failed"
     fi
     _addr4=$(echo ${_ipv4_local_network} | sed -e "s%\.0/%.1/%g")
-    if [[ -n "${_addr}" ]] ; then
+    if [[ -n "${_addr4}" ]] ; then
         netsh interface ip show addr ${slapos_ifname} | grep -q "${_addr4}" ||
         ip -4 addr add ${_addr4} dev ${slapos_ifname} ||
         csih_error "add ipv4 address failed"
@@ -743,7 +743,7 @@ while test $# -gt 0; do
 done
 
 if [[ -z "${_ipv4_local_network}" ]] ; then
-    _ipv4_local_network=$(get_free_local_ipv4_network).0/24 ||
+    _ipv4_local_network=$(get_free_local_ipv4_network) ||
     csih_error "no ipv4_local_network specified"
 fi
 

windows/scripts/slapos-include.sh

@@ -183,7 +183,7 @@ function reset_slapos_connection()
 
 # ======================================================================
 # Routine: get_free_local_ipv4_network
-# Get a free local ipv4 network in 10.x.x.0/24, return 10.x.x
+# Get a free local ipv4 network in 10.x.x.0/24, return 10.x.x.0/24
 # ======================================================================
 function get_free_local_ipv4_network()
 {
@@ -204,7 +204,7 @@ function get_free_local_ipv4_network()
         addr=${seg1}.${seg2}
     
         ! IPCONFIG /ALL | grep -q ${addr} &&
-        echo 10.${addr} &&
+        echo "10.${addr}.0/24" &&
         return 0
     
         let i--