From 1be135a5d9eb0ad92ac1c377c5484149bace11f0 Mon Sep 17 00:00:00 2001
From: Adam Cooke <me@adamcooke.io>
Date: Fri, 28 Apr 2017 15:50:26 +0100
Subject: [PATCH] fixes issue with ip addresses that don't have an ipv6 pair

---
 lib/postal/worker.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/postal/worker.rb b/lib/postal/worker.rb
index c3f7f91..f6307a1 100644
--- a/lib/postal/worker.rb
+++ b/lib/postal/worker.rb
@@ -128,7 +128,7 @@ module Postal
 
         if need
           pair = @pairs[ip] || @pairs.key(ip)
-          if current_ip_addresses.include?(pair)
+          if pair.nil? || current_ip_addresses.include?(pair)
             needed_ip_ids << id
           else
             logger.info "Host has '#{ip}' but its pair (#{pair}) isn't here. Cannot add now."