unsecure migration does not use localhost to bind to. Instead it uses a 
specific IP on the node.
As we don't know that IP in this part of the code the only chance to check for 
a possible already
existing bind is to bind to all IPs.

Signed-off-by: Stefan Priebe <s.pri...@profihost.ag>
---
 data/PVE/Tools.pm |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/data/PVE/Tools.pm b/data/PVE/Tools.pm
index 05576e0..1049864 100644
--- a/data/PVE/Tools.pm
+++ b/data/PVE/Tools.pm
@@ -693,7 +693,7 @@ sub next_unused_port {
            next if $ports->{$p}; # reserved
 
            my $sock = IO::Socket::INET->new(Listen => 5,
-                                            LocalAddr => 'localhost',
+                                            LocalAddr => '0.0.0.0',
                                             LocalPort => $p,
                                             ReuseAddr => 1,
                                             Proto     => 0);
-- 
1.7.10.4

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