Corrected broken format on os_floating_ip exception
Corrected broken format on os_floating_ip exception

Change-Id: If5ae568787f348b7c56ea8c83c83981d269feba6
Signed-off-by: Sorin Sbarnea <8938dff14221394d430a023580a32caf3bfb26a9@redhat.com>

redhat-openstack/infrared,okolisny/InfraRed,redhat-openstack/infrared,okolisny/InfraRed,redhat-openstack/infrared,okolisny/InfraRed