Attribute (ebs) does not pass the type constraint because: Validation failed for 'Maybe[Net::Amazon::EC2::EbsBlockDevice]' failed with value Net::Amazon::EC2::EbsInstanceBlockDeviceMapping=HASH(0x8bab480) at /usr/share/perl5/Net/Amazon/EC2.pm line 1600
	Net::Amazon::EC2::describe_instances(undef) called at /var/svn/htdocs/autobuild.cgi line 264
	main::get_ec2_status_table() called at /var/svn/htdocs/autobuild.cgi line 123
	main::print_index('') called at /var/svn/htdocs/autobuild.cgi line 41