Mobility GroupWise Agent reports <urlopen error [Errno 1] _ssl.c:493: error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol>

/var/log/datasync/connectors/groupwise-agent.log reports the following errors during startup:
groupwise-agent.log reports the following frequently during startup:
Failure parsing soap response.  Response string: None; Exception: <urlopen error [Errno 1] _ssl.c:493: error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol>

At the time of writing this TID, a public patch has not yet been released.
If GroupWise Mobility Service 2.0.1.53, see TID 7014819 - Configuring users on Mobility startup is slow.
Otherwise, update to the latest version of GroupWise Mobility Service.