The instantiation fails with "Binding failed for port UUID"

Issue

• When a VM is instantiated with a SR-IOV port, it fails with the following error message in /var/log/nova/nova-conductor.log:

ERROR nova.scheduler.utils [req-551399dc-f67b-4440-af2d-dc3805d130fc 2648d603cd4148ef8986c7f880115612 0e37e96ea52147f6aed2ccb422e2b0a1 - - -] [instance: 4bdde6c1-6ae5-4bb4-a554-b7fb5c576262] Error from last host: overcloud-compute-0 (node overcloud-compute-0.localdomain): [u'Traceback (most recent call last):\n', u'  File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1787, in _do_build_and_run_instance\n    filter_properties)\n', u'  File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1985, in _build_and_run_instance\n    instance_uuid=instance.uuid, reason=six.text_type(e))\n', u'RescheduledException: Build of instance 4bdde6c1-6ae5-4bb4-a554-b7fb5c576262 was re-scheduled:  aefebc07-0af5-49e9-aca0-ffe6b598017b, please check neutron logs for more information.\n']
2019-07-10 20:57:04.014 3640 ERROR nova.scheduler.utils [req-551399dc-f67b-4440-af2d-dc3805d130fc 2648d603cd4148ef8986c7f880115612 0e37e96ea52147f6aed2ccb422e2b0a1 - - -] [instance: 4bdde6c1-6ae5-4bb4-a554-b7fb5c576262] Error from last host: overcloud-compute-0 (node openstack-overcloud-compute-0.localdomain): [u'Traceback (most recent call last):\n', u'  File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1787, in _do_build_and_run_instance\n    filter_properties)\n', u'  File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1985, in _build_and_run_instance\n    instance_uuid=instance.uuid, reason=six.text_type(e))\n', u'RescheduledException: Build of instance 4bdde6c1-6ae5-4bb4-a554-b7fb5c576262 was re-scheduled: Binding failed for port 7fa60a67-127a-4af5-80c4-677ee36b7ada, please check neutron logs for more information.\n']
2019-07-10 20:57:04.015 3640 WARNING nova.scheduler.utils [req-551399dc-f67b-4440-af2d-dc3805d130fc 2648d603cd4148ef8986c7f880115612 0e37e96ea52147f6aed2ccb422e2b0a1 - - -] Failed to compute_task_build_instances: Exceeded maximum number of retries. Exceeded max scheduling attempts 3 for instance 4bdde6c1-6ae5-4bb4-a554-b7fb5c576262. Last exception: Binding failed for port 7fa60a67-127a-4af5-80c4-677ee36b7ada, please check neutron logs for more information.