Merci pour ta réponse, j'ai essaie et j'ai ça:
Mar 5 22:27:48 ubnt miniupnpd[3377]: ioctl(s, SIOCGIFADDR, ...): Cannot assign requested address
Mar 5 22:27:48 ubnt miniupnpd[3377]: Failed to get IP for interface eth1.832
Mar 5 22:27:48 ubnt miniupnpd[3377]: SendNATPMPPublicAddressChangeNotification: cannot get public IP address, stopping
Mar 5 22:27:50 ubnt miniupnpd[3377]: ioctl(s, SIOCGIFADDR, ...): Cannot assign requested address
Mar 5 22:27:50 ubnt miniupnpd[3377]: Failed to get IP for interface eth1.832