Addressed by https://github.com/ManageIQ/manageiq/pull/12097

Master PR#12097 has been merged.
Nexte step is backport (cherry pick to euwe) branch.

Also need https://github.com/ManageIQ/manageiq/pull/11819

New commit detected on ManageIQ/manageiq/euwe:
https://github.com/ManageIQ/manageiq/commit/68121237a320878cf81079fba52a33ec9bbb35f9

commit 68121237a320878cf81079fba52a33ec9bbb35f9
Author:     Greg Blomquist <blomquisg>
AuthorDate: Wed Nov 2 09:52:36 2016 -0400
Commit:     Tzu-Mainn Chen <tzumainn>
CommitDate: Fri Jan 6 21:23:21 2017 +0100

    [EUWE] Floating IPs provisioning backend
    
    https://bugzilla.redhat.com/show_bug.cgi?id=1394277
    
    This is a euwe-only commit to resolve conficts with
    app/models/mixins/supports_feature_mixin.rb
    
    This PR is equivalent to https://github.com/ManageIQ/manageiq/pull/11819 FOR MASTER

 .../providers/openstack/network_manager.rb         |  24 ++++-
 .../openstack/network_manager/floating_ip.rb       | 103 +++++++++++++++++++++
 app/models/mixins/supports_feature_mixin.rb        |   5 +-
 gems/pending/util/miq-exception.rb                 |   5 +
 4 files changed, 135 insertions(+), 2 deletions(-)