Devstack - Autoriser les VMs qemu gérées par OpenStack à se connecter sur l’hôte VirtualBox

Autoriser le VLAN 172.24.4.0/24 à se connecter à 192.168.56.0/24

iptables -t nat -I POSTROUTING -o enp0s8 -d 192.168.56.0/24 -j MASQUERADE
iptables -I FORWARD -d 192.168.56.0/24 -j ACCEPT

/etc/neutron/policy.json

{
    "context_is_admin":  "role:admin or user_name:neutron",
    "create_address_scope": "admin_only",
    "create_network": "rule:admin_only",
    "create_network:port_security_enabled": "rule:admin_only",
    "create_rbac_policy": "rule:admin_only",
    "create_router": "rule:admin_only",
    "create_security_group": "rule:admin_only",
    "create_security_group_rule": "rule:admin_only",
    "create_trunk": "rule:admin_only",
    "create_floatingip": "rule:admin_only",
    "create_floatingip:floating_ip_address": "rule:admin_only"
}