Since [1] Neutron puts requested-chassis entry with a name taken
from the agent, which results in FQDN-based name on FQDN-based
deployments. It does not match what we set in hostname in OVS.

[1]: I4e3c001dd3bb37b86fda8b9495a3c5178c3e736d

Closes-Bug: #2080552
Change-Id: I3ae03aa2e09bc445f0f5a95a43bf210f06685cc1