Now this problem shall be solved by networkcache.

Additionaly this selects different lxml egg, and "disables" lxml building hack.

component/lxml-python/buildout.cfg

@@ -14,17 +14,6 @@ PATH = ${libxslt:location}/bin:%(PATH)s
 recipe = zc.recipe.egg:custom
 egg = lxml
 
-# Note: Workaround lxml.de issues blocking buildout runs
-# Empty index makes setuptools NOT trying to find any meta information about
-# lxml...
-index =
-# ...so it is wise to tell where lxml can be found
-find-links =
-  http://pypi.python.org/pypi/lxml/2.2.8
-  http://pypi.python.org/pypi/lxml/2.3
-# Note: Whenever someone is going to remove it, one shall check, that buildout
-# can run in newest mode, without any locally downloaded cache
-
 rpath =
   ${libxml2:location}/lib/
   ${libxslt:location}/lib/