Unable to create cluster connection if N2N encryption is enabled

import logging

import sys

import couchbase

from couchbase.cluster import Cluster, ClusterOptions

from couchbase_core.cluster import PasswordAuthenticator

logging.basicConfig(stream=sys.stderr, level=logging.DEBUG)

couchbase.enable_logging()

cluster = Cluster("couchbases://172.23.104.146",ClusterOptions(PasswordAuthenticator("Administrator","password",cert_path="/Users/vikaschaudhary/workspace/perf/perfrunner/root.crt")))

cb=cluster.bucket("bucket-1")

cb_coll=cb.default_collection()

result=cb_coll.upsert("111",{"hello"})

print(result) 

INFO:couchbase:Initializing Couchbase logging. lcb_version=('3.2.0', 197120)

Traceback (most recent call last):

  File "/Users/vikaschaudhary/workspace/perf/perfrunner/cb_sdk.py", line 11, in <module>

    cluster = Cluster("couchbases://172.23.104.146",ClusterOptions(PasswordAuthenticator("Administrator","password",cert_path="/Users/vikaschaudhary/workspace/perf/perfrunner/root.crt")))

  File "/Users/vikaschaudhary/workspace/perf/perfrunner/env/lib/python3.6/site-packages/couchbase/cluster.py", line 478, in __init__

    _conntype=_LCB.LCB_TYPE_CLUSTER, **self._clusteropts)

  File "/Users/vikaschaudhary/workspace/perf/perfrunner/env/lib/python3.6/site-packages/couchbase_core/client.py", line 142, in __init__

    super(Client, self).__init__(*args, **kwargs)

couchbase.exceptions.DlopenFailedException: <RC=0x3F9[LCB_ERR_DLOPEN_FAILED (1017)], Couldn't create instance. Either bad credentials/hosts/bucket names were passed, or there was an internal error in creating the object, C Source=(src/bucket.c,1116)>Process finished with exit code 1