Translate '0.0.0.0/0' to '0.0.0.0' when allowing IP
access with the ganesha driver since the ganesha back end
cannot handle the former expression and the latter has
the desired effect of allowing access to all IPs.
Closes-bug: #1800627
Change-Id: Ica698b6a70a128522c2c2de76a69e59207fd60ac
Tom Barron