Hello, i have DHCP failover configuration based on Univention and https://kb.isc.org/article/AA-00502/31 documentation.
It works on 4.2.3 but don't work after 4.3 upgrade.

/var/log/syslog:
```

failover peer dc: I move from recover to startup
Mar 19 12:24:59 dc1 dhcpd[24832]: failover peer declaration with no referring pools.
Mar 19 12:24:59 dc1 dhcpd[24832]: In order to use failover, you MUST refer to your main failover declaration
Mar 19 12:24:59 dc1 dhcpd[24832]: in each pool declaration.   You MUST NOT use range declarations outside
Mar 19 12:24:59 dc1 dhcpd[24832]: of pool declarations.
Mar 19 12:24:59 dc1 dhcpd[24832]: 
Mar 19 12:24:59 dc1 dhcpd[24832]: If you think you have received this message due to a bug rather
Mar 19 12:24:59 dc1 dhcpd[24832]: than a configuration issue please read the section on submitting
Mar 19 12:24:59 dc1 dhcpd[24832]: bugs on either our web page at www.isc.org or in the README file
Mar 19 12:24:59 dc1 dhcpd[24832]: before submitting a bug.  These pages explain the proper
Mar 19 12:24:59 dc1 dhcpd[24832]: process and the information we find helpful for debugging..
```

I checked all configuration . they are the same as on my production 4.2.3 version.

```
root@dc1:~# cat /etc/dhcp/local.conf
# This can be used to modify local DHCP configuration options
failover peer "dc" {
        primary;
        address dc1.xxxxx.localnet;
        port 519;
        peer address dc2.xxxxx.localnet;
        peer port 520;
        max-response-delay 60;
        max-unacked-updates 10;
        mclt 3600;
        split 128;
        load balance max seconds 3;
    }


authoritative;
ddns-update-style none;
 

```