May 23 17:11:42 ubuntu user-data: Reading package lists...
May 23 17:11:42 ubuntu user-data: W: GPG error: http://ppa.launchpad.net intrepid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E048451D9EE6D873
May 23 17:11:42 ubuntu user-data: W: You may want to run apt-get update to correct these problems
May 23 17:11:43 ubuntu user-data: Reading package lists...
May 23 17:11:44 ubuntu user-data: Building dependency tree...
May 23 17:11:44 ubuntu user-data: Reading state information...
May 23 17:11:46 ubuntu user-data: Initializing package states...
May 23 17:11:48 ubuntu user-data: Writing extended state information...
May 23 17:11:51 ubuntu user-data: The following packages will be upgraded:
May 23 17:11:51 ubuntu user-data:   apparmor apparmor-utils ec2-init libapparmor-perl libapparmor1 ntpdate 
May 23 17:11:51 ubuntu user-data: 6 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
May 23 17:11:51 ubuntu user-data: Need to get 557kB of archives. After unpacking 4096B will be used.
May 23 17:11:51 ubuntu user-data: WARNING: untrusted versions of the following packages will be installed!
May 23 17:11:51 ubuntu user-data: 
May 23 17:11:51 ubuntu user-data: Untrusted packages could compromise your system's security.
May 23 17:11:51 ubuntu user-data: You should only proceed with the installation if you are certain that
May 23 17:11:51 ubuntu user-data: this is what you want to do.
May 23 17:11:51 ubuntu user-data: 
May 23 17:11:51 ubuntu user-data:   ec2-init 
May 23 17:11:51 ubuntu user-data: 
May 23 17:11:51 ubuntu user-data: Do you want to ignore this warning and proceed anyway?