Add a warning

virtweb_frontend/src/widgets/forms/NetNatConfiguration.tsx

@@ -1,5 +1,6 @@
 import DeleteIcon from "@mui/icons-material/Delete";
 import {
+  Alert,
   Button,
   Card,
   CardActions,
@@ -156,6 +157,15 @@ function NatEntryForm(p: {
             )}
 
             {p.entry.host_ip.type === "interface" && (
+              <>
+                {p.editable && (
+                  <Alert severity="warning" style={{ margin: "10px 0px" }}>
+                    Warning! All IP addresses may not be inferred on reboot due
+                    to the fact that the network hook might be executed before
+                    the network interfaces are fully configured. This might lead
+                    to incomplete ports exposition!
+                  </Alert>
+                )}
                 <SelectInput
                   {...p}
                   label="Network interface"
@@ -171,6 +181,7 @@ function NatEntryForm(p: {
                     p.onChange?.();
                   }}
                 />
+              </>
             )}
           </NATEntryProp>