KeepalivedRestart is deprecated and has no effect. The workaround isn't
needed anymore since we now deploy keepalived-2.0.10-4.
This version has support for 'dynamic_interfaces' which is required when
the network config was changed and os-net-config restarts the network
interface.
Related-Bug: #1791238
Change-Id: I14c51106ad1ee40a6edfa520d330d1ea0a52edee