We preformed multiple regression tests on that build and problem did not re-occur + there was a timeout issue that got fixed in neutron (see previous comments).
Moving this one to verified.
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/RHBA-2017:1542
Description of problem: Instance failed: 96720184-a436-47a3-9bad-02d55bf8a111 | XXXX | ERROR | - | NOSTATE Error: | fault | {"message": "Build of instance 96720184-a436-47a3-9bad-02d55bf8a111 aborted: Failed to allocate the network(s), not rescheduling.", "code": 500, "details": " File \"/usr/lib/python2.7/site-packages/nova/compute/manager.py\", line 1905, in _do_build_and_run_instance Additional data: - Timestamp of the request for ports for this instance: 2017-03-08 15:43:20.773 1582 DEBUG keystoneclient.session [-] REQ: curl -g -i -X POST http://internal-vip.infra.es.iaas.igrupobbva:9696/v2.0/ports.json -H "User-Agent: python-neutronclient" -H "Content-Type: application/json" -H "Accept: application/json" -H "X-Auth-Token: {SHA1}efcbfa12cba534beb3294b20b0dbbaa71ed4e013" -d '{"port": {"binding:host_id": "cfs1pnc03.infra.es.iaas.igrupobbva", "admin_state_up": true, "network_id": "ccfc8a1c-fe33-40a4-b5a1-35fa535a05cc", "tenant_id": "8c9e0ad42a5c4deb90c69608604558cf", "device_owner": "compute:TC-I-1", "device_id": "96720184-a436-47a3-9bad-02d55bf8a111"}}' _http_log_request /usr/lib/python2.7/site-packages/keystoneclient/session.py:198 Version-Release number of selected component (if applicable): neutron-ml2-driver-apic-2015.2.5-95.el7.noarch neutron-opflex-agent-2015.2.3-35.el7.noarch openstack-neutron-7.2.0-5.el7ost.noarch openstack-neutron-common-7.2.0-5.el7ost.noarch openstack-neutron-lbaas-7.2.0-1.el7ost.noarch openstack-neutron-metering-agent-7.2.0-5.el7ost.noarch openstack-neutron-ml2-7.2.0-5.el7ost.noarch openstack-neutron-openvswitch-7.2.0-5.el7ost.noarch python-neutron-7.2.0-5.el7ost.noarch python-neutronclient-3.1.0-2.el7ost.noarch python-neutron-lbaas-7.2.0-1.el7ost.noarch How reproducible: Steps to Reproduce: 1. launch batches of 20 instances Actual results: Some instances fail to get vif plugged Expected results: All instances should get vif plugged