/etc/init.d/openvswitch-switch restart
* ovs-brcompatd is not running
* ovs-vswitchd is not running
* ovsdb-server is not running
* bridge module is loaded, not loading brcompat
Module has probably not been built for this kernel.
Install the openvswitch-datapath-source package, then read
/usr/share/doc/openvswitch-datapath-source/README.Debian
* bridge module is loaded, not loading brcompat
解决办法:https://bugs.launchpad.net/ubuntu/+source/openvswitch/+bug/1094830
这种情况一般是没有严格按照安装顺序来安装导致的服务无法启动。