Use varnishlog wrapper command again instead of an ad-hoc way.

software/erp5/instance-varnish.cfg

@@ -53,8 +53,7 @@ web-checker-working-directory = $${directory:web-checker}
 # for now frontend-url is varnish, it will replace with the real front-end one.
 frontend-url = $${varnish-instance:ip}:$${varnish-instance:server-port}
 wget-binary-path = ${wget:location}/bin/wget
-#varnishlog-binary-path = $${varnish-instance:varnishlog-wrapper}
-varnishlog-binary-path = $${varnish-instance:varnishlog-binary} -a $${varnish-instance:ip}:$${varnish-instance:server-port} -n $${varnish-instance:varnish-instance-name}
+varnishlog-binary-path = $${varnish-instance:varnishlog-wrapper}
 web-checker-log = $${basedirectory:log}/web-checker.log
 
 [cron]

software/erp5/software.cfg

@@ -143,7 +143,7 @@ mode = 0644
 [template-varnish]
 recipe = slapos.recipe.template
 url = ${:_profile_base_location_}/instance-varnish.cfg
-md5sum = dce0cd5051e065961bdd57af3015b2c1
+md5sum = 70fb0ccadf0d6723ddb0fe55a1549ca5
 output = ${buildout:directory}/template-varnish.cfg
 mode = 0644