Problem with upload images openstack

Problem with upload images openstack

I'm working with MAAS and juju. And I use 6 nodes for Openstack.
Everything goes good! But when I try to upload ubuntu-cloud-image there
are errors.
Thu Sep 26 09:43:43 UTC 2013: ====== extracting image ======
Warning: no ramdisk found, assuming '--ramdisk none'
kernel : oneiric-server-cloudimg-amd64-vmlinuz-virtual
ramdisk: none
image : oneiric-server-cloudimg-amd64.img
Thu Sep 26 09:44:01 UTC 2013: ====== bundle/upload kernel ======
failed to upload bundle to
images/oneiric-server-cloudimg-amd64-vmlinuz-virtual.manifest.xml
failed: euca-upload-bundle --bucket images --manifest
/tmp/cloud-publish-image.reLvSN/oneiric-server-cloudimg-amd64-vmlinuz-virtual.manifest.xml
S3_URL not specified.
Checking bucket: images
[Errno 111] Connection refusedfailed to upload kernel
How can I fix it?