Description: Ignore interfaces without addresses, otherwise the test fails.
 Idea taken from IO::Socket::Multicast.
Bug: https://rt.cpan.org/Ticket/Display.html?id=105129
Forwarded: https://rt.cpan.org/Ticket/Display.html?id=105129
Author: gregor herrmann <gregoa@debian.org>
Last-Update: 2015-06-09

--- a/t/05interface.t
+++ b/t/05interface.t
@@ -19,6 +19,7 @@
 foreach my $if (@interfaces) {
 	next unless ($if->is_running);
 	next unless ($if->is_multicast);
+	next unless ($if->address);
 	
 	# Found multicast enabled interface
 	$iface = $if->name();
