Description of problem:

multiple errors in nova api for neutronclient after undercloud upgrade (7-->8)

Version-Release number of selected component (if applicable):
[stack@instack ~]$ rpm -qa |grep neutron
python-neutron-7.0.1-15.el7ost.noarch
openstack-neutron-7.0.1-15.el7ost.noarch
openstack-neutron-ml2-7.0.1-15.el7ost.noarch
python-neutronclient-3.1.0-1.el7ost.noarch
openstack-neutron-common-7.0.1-15.el7ost.noarch
openstack-neutron-openvswitch-7.0.1-15.el7ost.noarch
[stack@instack ~]$ rpm -qa |grep nova
openstack-nova-api-12.0.2-5.el7ost.noarch
openstack-nova-common-12.0.2-5.el7ost.noarch
openstack-nova-compute-12.0.2-5.el7ost.noarch
python-nova-12.0.2-5.el7ost.noarch
openstack-nova-scheduler-12.0.2-5.el7ost.noarch
python-novaclient-3.1.0-2.el7ost.noarch
openstack-nova-console-12.0.2-5.el7ost.noarch
openstack-nova-novncproxy-12.0.2-5.el7ost.noarch
openstack-nova-cert-12.0.2-5.el7ost.noarch
openstack-nova-conductor-12.0.2-5.el7ost.noarch
[stack@instack ~]$ rpm -qa |grep rhos
rhos-release-1.0.39-1.noarch


How reproducible:


Steps to Reproduce:
1.install ospd 7 latest ga bits, deploy an overcloud with 3 ciontrollers and 1 compute and populate it.
2.upgrade the undercloud node using http://etherpad.corp.redhat.com/osp-d-upgrade-ohochman
3.check for errors

Actual results:
erros in nova-api log 

Expected results:
no errors

Additional info:
logs : http://ikook.tlv.redhat.com/uploads/general/olap/logtar.tar.gz