BPFire red0 does not support multicast, need to
have unicast peer configured, then the virtual
ipaddress can be added to red0 interface.
the UI requires /var/ipfire/keepalived/runsettings
/var/ipfire/keepalived/settings to be created, so
add them lfs/configroot
Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>