AutoSupport for ONTAP 9 over HTTPs error message: OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 54

Errors in ONTAP:

• Review AutoSupport History:

::>system autosupport history show -node <node_name>  -fields node,seq-num,status,error,destination

-OR-

• Review the specific sequence

::> system autosupport history show -seq-num 270 -instance

Node: Node-01 AutoSupport
Sequence Number: 270
Destination for This AutoSupport: https
Trigger Event: callhome.invoke
Time of Last Update: 12/24/2015 00:42:51
Status of Delivery: transmission-failed
Delivery Attempts: 15
AutoSupport Subject: USER_TRIGGERED (TEST:Testing from NODE1)
Delivery URI: mailto:admins@example.com
Last Error: OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to support.netapp.com:443

or

    OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 54

Errors in Notifyd:

• How to review notifyd.log:

::> node run -node (node name) -command rdfile /etc/log/mlog/notifyd.log

00000027.0004e12c 00cc1a99 Fri Jan 29 2021 14:19:38 +00:00 [kern_notifyd:info:1595] (category: 1595:2302:deliver) (emittime: 1/29/2021 14:19:21) (message: TLSv1.2 (OUT), TLS handshake, Client hello (1):)
00000027.0004e12d 00cc1a99 Fri Jan 29 2021 14:19:38 +00:00 [kern_notifyd:info:1595] (category: 1595:2302:deliver) (emittime: 1/29/2021 14:19:21) (message: STATE: WAITPROXYCONNECT => SENDPROTOCONNECT handle 0x80bbfa008; line 1596 (connection #0))
00000027.0004e12e 00cc1a99 Fri Jan 29 2021 14:19:38 +00:00 [kern_notifyd:info:1595] (category: 1595:2302:deliver) (emittime: 1/29/2021 14:19:21) (message: CONNECT phase completed!)
00000027.0004e12f 00cc1a99 Fri Jan 29 2021 14:19:38 +00:00 [kern_notifyd:info:1595] (category: 1595:2302:deliver) (emittime: 1/29/2021 14:19:21) (message: STATE: SENDPROTOCONNECT => PROTOCONNECT handle 0x80bbfa008; line 1633 (connection #0))
00000027.0004e130 00cc1a99 Fri Jan 29 2021 14:19:38 +00:00 [kern_notifyd:info:1595] (category: 1595:2302:deliver) (emittime: 1/29/2021 14:19:38) (message: OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to support.netapp.com:443 )
00000027.0004e131 00cc1a99 Fri Jan 29 2021 14:19:38 +00:00 [kern_notifyd:info:1595] (category: 1595:2302:deliver) (emittime: 1/29/2021 14:19:38) (message: Marked for [closure]: Failed HTTPS connection)
00000027.0004e132 00cc1a99 Fri Jan 29 2021 14:19:38 +00:00 [kern_notifyd:info:1595] (category: 1595:2302:deliver) (emittime: 1/29/2021 14:19:38) (message: multi_done)
00000027.0004e133 00cc1a99 Fri Jan 29 2021 14:19:38 +00:00 [kern_notifyd:info:1595] (category: 1595:2302:deliver) (emittime: 1/29/2021 14:19:38) (message: Closing connection 0)