Add oldpackages to feeds.conf (required for netperf)

feeds.conf

 # This is a feeds.conf template used by qMpFW (http://qmp.cat/projects/qmpfw)
 
 src-link packages PATH/packages
-src-link qmp_packages PATH/qmp/packages
-src-git b6m_packages git://qmp.cat/b6m.git;openwrt
-src-git luci git://git.openwrt.org/project/luci.git
-src-git openwrt_routing git://github.com/openwrt-routing/packages.git;for-14.07
+src-link qmp PATH/qmp/packages
+src-git luci http://git.openwrt.org/project/luci.git;luci-0.12
+src-git openwrt_routing https://github.com/openwrt-routing/packages.git;for-14.07
+src-git oldpackages http://git.openwrt.org/14.07/packages.git
+src-git b6m git://qmp.cat/b6m.git;openwrt
 src-git libremap_agent git://github.com/libremap/libremap-agent-openwrt.git