The --floating-id-cidr should be --floating-ip-cidr. This was a typo.
Fix: https://review.gerrithub.io/237479
Verified in python-rdomanager-oscplugin-0.0.8-13.el7ost.noarch (puddle 2015-06-26)
Patch got mistakenly reverted. Followup to fix this again: https://code.engineering.redhat.com/gerrit/#/c/52490/
Verified again in python-rdomanager-oscplugin-0.0.8-30.el7ost.noarch
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2015:1549