# The loopback network interface
auto lo
iface lo inet loopback
iface eno0 inet manual
auto vmbr0
iface vmbr0 inet static
address ip serveur/24
gateway XXX.XXX.XXX.254
bridge_ports eno0
bridge_stp off
bridge_fd 0
#vpn
auto vmbr1
iface vmbr1 inet static
address 10.0.0.3/24
bridge_ports dummy0
bridge_stp off
bridge_fd 0
did you adapt theI have installed at the beginning debian 10
/etc/hosts
file like described here [0] ?