The address come from the DHCP server on my router (pfsense).
arch: amd64
cores: 1
features: nesting=1
hostname: pi-hole
memory: 400
nameserver: 8.8.8.8
net0: name=eth0,bridge=vmbr0,firewall=1,hwaddr=D2:66:12:96:1E:46,ip=dhcp,tag=20,type=veth
onboot: 1
ostype: debian
rootfs...