Creation d'un domaine invite

bonjour a tous
je veux creer un DomU mais il me donne une erreur alors le gateway et netmask sont configure
quelqu’un pourrai m’aide.

xen-create-image --hostname=test2 --ip=10.10.10.243

WARNING

You appear to have a missing vif-script, or network-script, in the
Xen configuration file /etc/xen/xend-config.sxp.

Please fix this and restart Xend, or your guests will not be able
to use any networking!

WARNING: No gateway address specified!
WARNING: No netmask address specified!

General Information

Hostname : test2
Distribution : squeeze
Mirror : ftp.fr.debian.org/debian/
Partitions : Image type : full
Memory size : 128Mb
Kernel path : /boot/vmlinuz-2.6.32-5-xen-amd64
Initrd path : /boot/initrd.img-2.6.32-5-xen-amd64

Networking Information

IP Address 1 : 10.10.10.243 [MAC: 00:16:3E:8B:3D:9F]

Error: No recognised installation type.

Logfile produced at:
/var/log/xen-tools/test2.log
Assertion that either --dir, --lvm, or --dir are given failed.
This is probably a bug, please report it. at /usr/bin/xen-create-image line 4383.
END failed–call queue aborted at /usr/bin/xen-create-image line 990.