Some systems seem to have problem with github ca. Do not check it for this clone.

software/kvm/software.cfg

@@ -87,7 +87,7 @@ commit = e7363f43443deb9982bdb5c3db50eec475584b06
 repository = https://github.com/desaintmartin/websockify.git
 location = ${buildout:parts-directory}/${:_buildout_section_name_}
 git-binary = ${git:location}/bin/git
-command = (${:git-binary} clone --quiet ${:repository} ${:location} && cd ${:location} && ${:git-binary} reset --hard ${:commit}) || (rm -fr ${:location}; exit 1)
+command = export GIT_SSL_NO_VERIFY=true; (${:git-binary} clone --quiet ${:repository} ${:location} && cd ${:location} && ${:git-binary} reset --hard ${:commit}) || (rm -fr ${:location}; exit 1)
 update-command =
 
 [check-local-eggs]