Otherwise when we add support for saving and restoring configuration
of internal devices around kernel module unload and reload, there's
no easy way for the "restore" code to tell when all the interfaces
should be set up and ready for configuration.
In nroff manpages, a blank line adds vertical white space. When this is
followed by another command that also starts a new paragraph, the result
is a vertical skip twice as big as the normal inter-paragraph gap. The
solution is to use a line that contains just "." for white space within
the manpage, instead of a blank line. The resulting manpages look better.
The daemon library provides a few short options, but these then take
away their availability from programs that wish to use the library.
Since the daemon options are generally going to be called from a script
(which doesn't care how much typing is involved), we'll only provide
long options.
By default, Open vSwitch daemons change their working directories to the
root directory. This commit provides a --no-chdir option to prevent this
behavior.
