fix error while yum updateinfo --security update on rhel@aws

[kotakanbe]

sudo optoin is lacking when yum updateinfo --security update on rhel@aws

[Apr 10 18:35:34] ERROR [rhel:22] Failed to scan vulnerable packages
[Apr 10 18:35:34] ERROR [localhost] Failed to scan. err: ec2-user@52.192.199.226:22: Failed to yum updateinfo --security update. status: 1, stdout: Loaded plugins: amazon-id, rhui-lb, security
Repo rhui-REGION-client-config-server-6 forced skip_if_unavailable=True due to: /etc/pki/rhui/cdn.redhat.com-chain.crt
Repo rhui-REGION-client-config-server-6 forced skip_if_unavailable=True due to: /etc/pki/rhui/product/rhui-client-config-server-6.crt
Repo rhui-REGION-client-config-server-6 forced skip_if_unavailable=True due to: /etc/pki/rhui/rhui-client-config-server-6.key
Repo rhui-REGION-rhel-server-releases forced skip_if_unavailable=True due to: /etc/pki/rhui/cdn.redhat.com-chain.crt
Repo rhui-REGION-rhel-server-releases forced skip_if_unavailable=True due to: /etc/pki/rhui/product/content-rhel6.crt
Repo rhui-REGION-rhel-server-releases forced skip_if_unavailable=True due to: /etc/pki/rhui/content-rhel6.key
Repo rhui-REGION-rhel-server-releases-optional forced skip_if_unavailable=True due to: /etc/pki/rhui/cdn.redhat.com-chain.crt
Repo rhui-REGION-rhel-server-releases-optional forced skip_if_unavailable=True due to: /etc/pki/rhui/product/content-rhel6.crt
Repo rhui-REGION-rhel-server-releases-optional forced skip_if_unavailable=True due to: /etc/pki/rhui/content-rhel6.key
Repo rhui-REGION-rhel-server-rh-common forced skip_if_unavailable=True due to: /etc/pki/rhui/cdn.redhat.com-chain.crt
Repo rhui-REGION-rhel-server-rh-common forced skip_if_unavailable=True due to: /etc/pki/rhui/product/content-rhel6.crt
Repo rhui-REGION-rhel-server-rh-common forced skip_if_unavailable=True due to: /etc/pki/rhui/content-rhel6.key
Could not contact CDS load balancer rhui2-cds01.ap-northeast-1.aws.ce.redhat.com, trying others.


Could not contact any CDS load balancers: rhui2-cds01.ap-northeast-1.aws.ce.redhat.com, rhui2-cds02.ap-northeast-1.aws.ce.redhat.com.
, stderr: .