Different way of trapping ipv6 address error

src/freedombone-controlpanel

@@ -522,9 +522,7 @@ function show_ip_addresses {
     echo -n "IPv4: $(get_ipv4_address)/$(get_external_ipv4_address)"
     ipv6_address="$(get_ipv6_address)"
     if [ ${#ipv6_address} -gt 0 ]; then
-        if [[ "$ipv6_address" != *'unreachable'* ]]; then
-            echo "    IPv6: ${ipv6_address}"
-        fi
+        echo "    IPv6: ${ipv6_address}"
     fi
     echo ''
     echo ''

src/freedombone-utils-network

@@ -81,7 +81,8 @@ function get_ipv4_address {
 }
 
 function get_ipv6_address {
-    echo $(ip -6 route get $IPV6_ADDRESS_TEST_DESTINATION | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }')
+    retval=$(ip -6 route get $IPV6_ADDRESS_TEST_DESTINATION 2> /dev/null)
+    echo $(echo "$retval" | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }')
 }
 
 # NOTE: deliberately no exit 0