curl command results in "curl: (80) Failed to clear the command channel (CCC)"

Issue

• Running curl to connect to a FTPS server shows:

/usr/bin/curl 0 -v -# --ftp-ssl --cert /path/to/certs/Public.pem:username --key /path/to/certs/Privatekey.pem --cacert /path/to/certs/Root_Base64.pem -S --user username:password --ftp-ssl-ccc --disable-epsv ftp://example.com/dir/test.txt

--------------------------------------------------------------------------------
* About to connect() to 0 port 80 (#0)
*   Trying 0.0.0.0...
* Failed to connect to 0.0.0.0: Connection refused
* Error 0
* couldn't connect to host
* Closing connection #0
curl: (7) Failed to connect to 0.0.0.0: Connection refused
* About to connect() to example.com port 21 (#0)
*   Trying 198.241.168.20...
* connected
* Connected to example.com (198.241.168.20) port 21 (#0)
< 220 Secure FTP Server ready.
< 234 SSLv23/TLSv1
* successfully set certificate verify locations:
*   CAfile: /path/to/certs/Root_Base64.pem
  CApath: none
* SSLv3, TLS handshake, Client hello (1):
* SSLv3, TLS handshake, Server hello (2):
* SSLv3, TLS handshake, CERT (11):
* SSLv3, TLS handshake, Server key exchange (12):
* SSLv3, TLS handshake, Request CERT (13):
* SSLv3, TLS handshake, Server finished (14):
* SSLv3, TLS handshake, CERT (11):
* SSLv3, TLS handshake, Client key exchange (16):
* SSLv3, TLS handshake, CERT verify (15):
* SSLv3, TLS change cipher, Client hello (1):
* SSLv3, TLS handshake, Finished (20):
* SSLv3, TLS change cipher, Client hello (1):
* SSLv3, TLS handshake, Finished (20):
* SSL connection using DHE-RSA-AES256-SHA
* Server certificate:
*        subject: L=Highlands Ranch; ST=CO; C=US; O=ORG; OU=Inovant; CN=example.com
*        start date: 2017-05-02 14:43:59 GMT
*        expire date: 2020-05-02 14:44:00 GMT
*        subjectAltName: example.com matched
*        issuer: C=US; O=ORG; OU=ORG Services Ltd; CN=ORG Information Delivery Internal CA
*        SSL certificate verify ok.
< 331 Password required for username.
< 230 virtual user username logged in from /192.67.48.41:53896.
< 200 PBSZ=0
< 200 Command PROT okay.
< 200 Command Channel Cleared.
* SSL shutdown timeout
< 257 "/" is current directory.
* Entry path is '/'
< 250 CWD command successful.
* Connect data stream passively
< 227 Entering Passive Mode (198,241,168,20,125,7)
*   Trying 198.241.168.20...
* connected
* Connecting to 198.241.168.20 (198.241.168.20) port 32007
< 200 Type set to I.
< 550 test.txt: No such file or directory.
< 550 test.txt: No such file or directory.
* RETR response: 550
* Remembering we are in dir "1619/"
* Connection #0 to host example.com left intact
curl: (78) SSL shutdown timeout
< 221 Goodbye.
* Closing connection #0
--------------------------------------------------------------------------------

• Using curl provided by other vendors work fine.