http://169.254.169.254/latest/meta-data/instance-id1.0http://169.254.169.254/latest/meta-data/placement/region0.9http://169.254.169.254/latest/meta-data/ami-id0.9http://169.254.169.254/latest/meta-data/placement/availability-zone0.9http://169.254.170.2/v2/metadata0.8http://100.64.0.1/0.7