error: Failed to reconnect to the hypervisor error: no valid connection error: Failed to connect socket to '/var/run/libvirt/libvirt-sock': No such file or directory
Further investigation found avahi was needed for this to work. The final fix was running
yum -y install avahi /etc/init.d/messagebus restart /etc/init.d/avahi-daemon restart /etc/init.d/libvirtd restart /sbin/chkconfig messagebus on /sbin/chkconfig avahi-daemon on