Comment 12 for bug 1469260

The package available in trusty-proposed fixes this bug.

$nova console-log 7a2e57a7-df5c-4c61-8f69-c98a41a1de5f
...
ubuntu login: Cloud-init v. 0.7.5 running 'modules:final' at Tue, 22 Sep 2015 02:39:29 +0000. Up 26.16 seconds.
2015-09-22 02:39:30,077 - util.py[WARNING]: Running ssh-authkey-fingerprints (<module 'cloudinit.config.cc_ssh_authkey_fingerprints' from '/usr/lib/python2.7/dist-packages/cloudinit/config/cc_ssh_authkey_fingerprints.pyc'>) failed
ec2:
ec2: #############################################################
ec2: -----BEGIN SSH HOST KEY FINGERPRINTS-----
ec2: -----END SSH HOST KEY FINGERPRINTS-----
ec2: #############################################################
-----BEGIN SSH HOST KEY KEYS-----
-----END SSH HOST KEY KEYS-----
Cloud-init v. 0.7.5 finished at Tue, 22 Sep 2015 02:39:30 +0000. Datasource DataSourceOpenStack [net,ver=2]. Up 26.33 seconds

$ nova console-log trusty-patched
...
Cloud-init v. 0.7.5 running 'modules:final' at Tue, 22 Sep 2015 02:41:53 +0000. Up 30.54 seconds.
ci-info: ++++++++++Authorized keys from /home/ubuntu/.ssh/authorized_keys for user ubuntu+++++++++++
ci-info: +---------+-------------------------------------------------+---------+-------------------+
ci-info: | Keytype | Fingerprint (md5) | Options | Comment |
ci-info: +---------+-------------------------------------------------+---------+-------------------+
ci-info: | ssh-rsa | bd:37:fc:87:b5:3a:c6:4b:86:cf:ab:e1:29:81:aa:7f | - | Generated-by-Nova |
ci-info: +---------+-------------------------------------------------+---------+-------------------+
ec2:
ec2: #############################################################
ec2: -----BEGIN SSH HOST KEY FINGERPRINTS-----
ec2: 1024 35:8e:8c:4d:86:ff:2c:a0:01:da:f0:fd:db:dc:da:94 root@trusty-patched (DSA)
ec2: 256 72:f7:f1:6e:5d:74:ad:ad:13:25:2a:3f:25:83:8b:5c root@trusty-patched (ECDSA)
ec2: 256 33:cb:4f:2a:70:08:30:8f:dc:3e:60:68:1a:19:a9:cc root@trusty-patched (ED25519)
ec2: 2048 60:cb:95:fe:11:1f:01:14:fc:44:6e:a6:43:1b:81:31 root@trusty-patched (RSA)
ec2: -----END SSH HOST KEY FINGERPRINTS-----
ec2: #############################################################
-----BEGIN SSH HOST KEY KEYS-----
ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBGp6OpR/cqHVcQmks95ANFCbgi67E+Opr4CmhOIDZl1zRkT6hwW2qGZa3P0Y9PAisNorgaidbpq+Vfi13MKsV5o= root@trusty-patched
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPy5DB2nOuBzAL+R+0x4xPn3bfdGCSlLgEK1B7PIUzyB root@trusty-patched
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDCY7NO6k1FBQ27JfcQSuewZ74NNCWhC0ZllDtGi3j/WoQooGn7zRWcY36yibvFu7JP1k9ajrPqUD9P0wlDLhfdSaOzyKWOEqP/pSW2/o1R+o/L7+mOFdZoOblzjd+hHvjkZ+xXMRAn0o/fvRo7kButtKyijscGvUZ8yAFRRNauseJxzsMBBdX0/AWLRNG6LFMjrsWwgooDOwjCNK7tRSU8KulBEGMEMrvnScbNmoDvwYwUZFVK8tW8MSeWH+pbD8GR6rJjSmiTikkH1ChZI6o+A+AkHhVaNoH044Ddea6x3CvwEYO9HXOADmZZfwUgx2cym6V6D/jw4QtqriXCdspf root@trusty-patched
-----END SSH HOST KEY KEYS-----
Cloud-init v. 0.7.5 finished at Tue, 22 Sep 2015 02:41:54 +0000. Datasource DataSourceOpenStack [net,ver=2]. Up 30.81 seconds