Changelog for lxc-2.0.99.20180221.834b74a0.HEAD-6.1.i686.rpm :

* Sun Sep 17 2017 opensuse_buildserviceAATTojkastl.de- fixed tumbleweed %if-condition, so builds on 13.2 should work again now
* Thu Sep 14 2017 opensuse_buildserviceAATTojkastl.de- added workaround for Tumbleweed gcc7 bug bsc#1041291
* Thu Mar 30 2017 opensuse_buildserviceAATTojkastl.de- adjusted version number in spec to 2.0.7