Mount the filesystems we need so this can run as PID 1

main.go

@@ -637,10 +637,11 @@ func main() {
 	)
 	flag.Parse()
 
+	// Nothing here is recoverable by the time it reaches this point, and as PID 1
+	// a plain exit would panic the kernel anyway with less to show for it.
 	if err := run(*aName, *bName, *sizesArg,
 		*streams, *batch, *nsPerM); err != nil {
-		fmt.Fprintln(os.Stderr, "error:", err)
-		os.Exit(1)
+		panic(err)
 	}
 }
 
@@ -665,6 +666,11 @@ func run(aName, bName, sizesArg string,
 	if err != nil {
 		return err
 	}
+
+	if err := reportChecks("MOUNTS", mountFilesystems()); err != nil {
+		return err
+	}
+
 	a, err := lookupEndpoint(aName)
 	if err != nil {
 		return err
@@ -692,19 +698,8 @@ func run(aName, bName, sizesArg string,
 		ethertypes[i] = uint16(etherBase + i)
 	}
 
-	var fatal []string
-	var tuneRows [][]string
-	for _, r := range configureSystem(ifnames, ethertypes) {
-		tuneRows = append(tuneRows, []string{r.item, r.status(), r.detail()})
-		if r.fatal {
-			fatal = append(fatal, r.item)
-		}
-	}
-	fmt.Println(renderBox("HOST SETTINGS",
-		[]string{"CHECK", "STATUS", "DETAIL"},
-		[]bool{false, false, false}, tuneRows))
-	if len(fatal) > 0 {
-		return fmt.Errorf("cannot test with %s in this state", strings.Join(fatal, ", "))
+	if err := reportChecks("HOST SETTINGS", configureSystem(ifnames, ethertypes)); err != nil {
+		return err
 	}
 
 	cfg := config{