AutoSupportログがActive IQ Unified Managerに送信できない

環境

• Active IQ Unified Manager(AIQUM)9.6+
• すべてのOSプラットフォーム
• AutoSupport

問題

• AutoSupport（ASUP）ログがAIQUMで送信できない
• AIQUM GUIに「Error creating archive」と表示される
• エラーautosupport.log:

ERROR [autosupport-sender-3] [c.n.d.a.SupportBundleUploadISFRequest] Error uploading Support Bundle: XXXX_support_bundle_YYYY.
ERROR [autosupport-sender-3] [c.n.d.a.SupportBundleUploadISFRequest] Reason : 'support.netapp.com'

INFO  [oncommand] [task-scheduler-7] [c.n.d.autosupport.AutoSupportSender] Sending AutoSupport file to https://support.netapp.com/put/AsupPut.
INFO  [oncommand] [task-scheduler-7] [c.n.d.autosupport.AutoSupportSender] doUrlPut, file size: 82241
INFO  [oncommand] [task-scheduler-7] [c.n.d.autosupport.AutoSupportSender] Use HTTP proxy for AutoSupport
INFO  [oncommand] [task-scheduler-7] [c.n.d.autosupport.AutoSupportSender] AutoSupport HTTP proxy server <proxy_server_IP>
INFO  [oncommand] [task-scheduler-7] [c.n.d.autosupport.AutoSupportSender] AutoSupport HTTP proxy port 8080
ERROR [oncommand] [task-scheduler-7] [c.n.d.autosupport.AutoSupportSender] Error occurred while copying bytes to outputStream, {}
ERROR [oncommand] [task-scheduler-7] [c.n.d.autosupport.AutoSupportSender] There was a problem posting the AutoSupport message.
 
ERROR [autosupport-sender-0] [c.n.d.a.SupportBundleUploadISFRequest] Could not connect to 'https://support.netapp.com/put/AsupPut'. The host seems unavailable.