Error:: Port server xdcr_proxy on node 'babysitter_of_ns_1@127.0.0.1' exited

version 3.0.0-742, centos 64

After installation of server seeing the following error in logs

Port server xdcr_proxy on node 'babysitter_of_ns_1@127.0.0.1' exited with status 3. Restarting. Messages: [

{ns_ssl_proxy,stop,[],[]}

,
{child_erlang,child_loop,2,[

{file,"src/child_erlang.erl"},{line,121}]},
{child_erlang,child_start,1,[{file,"src/child_erlang.erl"}

,

{line,78}

]},

{init,start_it,1,[]}

,

{init,start_em,1,[]}

]

This is true even with 1 node and after nodes were added

Please refer logs for for a test case. Issue not related to the test case. Only refer for error