--- /usr/share/squid-deb-proxy-client/apt-avahi-discover	2017-11-21 18:56:45.278987757 -0200
+++ /usr/share/squid-deb-proxy-client/apt-avahi-discover	2017-11-21 18:56:45.278987757 -0200
@@ -109,7 +109,7 @@
         hosts.append(AptAvahiClient(addr))
     # 2s timeout, arbitray
     timeout = get_avahi_discover_timeout()
-    asyncore.loop(timeout=timeout)
+    asyncore.loop(timeout=timeout, count=2)
     DEBUG("sorted hosts: '%s'" % sorted(hosts))
 
     # No host wanted to connect