documentation: man vswitchd.conf.db(5) updated flow-restore-wait
Commit changed the behavior of flow-restore-wait to
also prevent the switch from connecting to controllers in the
controller table, but failed to update the man page documentation
generated by vswitchd/vswitch.xml to reflect this.
This commit adds that documentation.
later set to <code>false</code>, <code>ovs-vswitchd</code> will
start receiving packets from the datapath and re-setup the flows.
</p>
+ <p>
+ Additionally, <code>ovs-vswitchd</code> is prevented from connecting
+ to controllers when this value is set to <code>true</code>. This
+ prevents controllers from making changes to the flow table in the
+ middle of flow restoration, which could result in undesirable
+ intermediate states. Once this value has been set to
+ <code>false</code> and the desired flow state has been
+ restored, <code>ovs-vswitchd</code> will be able to reconnect to
+ controllers and process any new flow table modifications.
+ </p>
<p>
Thus, with this option, the procedure for a hot-upgrade of
<code>ovs-vswitchd</code> becomes roughly the following:
