There is no good solution: Kea uses LPF raw sockets on Linux by default
with a fallback socket which is used to:
1- send some packets back
2- avoid the kernel to return ICMP port unreachables because no socket
is bound to the service port
The result is that it is complex and sometime impossible
I'm trying to run kvm on the same machine I'm using kea-dhcp4 as my DHCP
server. When I have kea running, I can't start the NAT default network
for kvm. It says that something is already listening on the ports that
dnsmasq wants to use for DHCP on the virtual bridge interface. I asked
on the kv