ERROR: error reading certificate file /opt/aws/amitools/ec2/etc/ec2/amitools/cert-ec2.pem: No such file or directory - /opt/aws/amitools/ec2/etc/ec2/amitools/cert-ec2.pem AMIを作るときに使うec2-bundle-vol の挙動として「pemを除外する」とい…