More useful message if interface is still up

diff --git a/net/linux-lib.pl b/net/linux-lib.pl
index f838f07..e555cf8 100755 (executable)
--- a/net/linux-lib.pl
+++ b/net/linux-lib.pl
@@ -145,7 +145,9 @@ if ($still) {
        local ($still) = grep { $_->{'fullname'} eq $name }
                      &active_interfaces();
        if ($still) {
-               &error("<pre>$out</pre>");
+               &error($out ? "<pre>$out</pre>"
+                           : "Interface is still active even after being ".
+                             "shut down");
                }
        if (&iface_type($name) =~ /^(.*) (VLAN)$/) {
                $out = &backquote_logged("vconfig rem $name 2>&1");