killall dnsmasqsystemctl restart openstack-nova-compute/sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro --dhcp-script=/usr/libexec/libvirt_leaseshelper
openstack dnsmasq
原文：http://www.cnblogs.com/ruiy/p/5553950.html
