[System Test] - ERROR: _ - Failed to update distribution configuration file. Failed to start the following required listeners: "TCP-IPv4" while enabling n2n encryption

./sequoia -client 172.23.104.254:2375 -provider file:centos_second_cluster.yml -test tests/integration/test_allFeatures_madhatter_durability.yml -scope tests/integration/scope_Xattrs_Madhatter.yml -scale 3 -repeat 0 -log_level 0 -version 6.6.5-10076 -skip_setup=false -skip_test=false -skip_teardown=true -skip_cleanup=false -continue=false -collect_on_error=false -stop_on_error=false -duration=604800 -show_topology=true

Balakumarans-MacBook-Pro-2:logs balakumaran.g$ ssh root@172.23.120.73

root@172.23.120.73's password: 

Last login: Thu Jan 20 23:27:17 2022 from 172.23.104.76

-bash: warning: setlocale: LC_CTYPE: cannot change locale (UTF-8): No such file or directory

[root@localhost ~]# curl -v -u Administrator:password -X POST http://localhost:8091/internalSettings -d "canEnableStrictEncryption=true"

* About to connect() to localhost port 8091 (#0)

*   Trying ::1...

* Connected to localhost (::1) port 8091 (#0)

* Server auth using Basic with user 'Administrator'

> POST /internalSettings HTTP/1.1

> Authorization: Basic QWRtaW5pc3RyYXRvcjpwYXNzd29yZA==

> User-Agent: curl/7.29.0

> Host: localhost:8091

> Accept: */*

> Content-Length: 30

> Content-Type: application/x-www-form-urlencoded

> 

* upload completely sent off: 30 out of 30 bytes

< HTTP/1.1 200 OK

< X-XSS-Protection: 1; mode=block

< X-Permitted-Cross-Domain-Policies: none

< X-Frame-Options: DENY

< X-Content-Type-Options: nosniff

< Server: Couchbase Server

< Pragma: no-cache

< Expires: Thu, 01 Jan 1970 00:00:00 GMT

< Date: Fri, 21 Jan 2022 07:27:52 GMT

< Content-Type: application/json

< Content-Length: 2

< Cache-Control: no-cache,no-store,must-revalidate

< 

* Connection #0 to host localhost left intact

[]

[root@localhost ~]# /opt/couchbase/bin/couchbase-cli node-to-node-encryption -c http://localhost:8091 -u Administrator -p password --enable

Turned on encryption for node: http://172.23.106.134:8091

Turned on encryption for node: http://172.23.106.136:8091

Turned on encryption for node: http://172.23.120.58:8091

Turned on encryption for node: http://172.23.120.73:8091

Turned on encryption for node: http://172.23.120.74:8091

Turned on encryption for node: http://172.23.120.75:8091

Turned on encryption for node: http://172.23.120.77:8091

Turned on encryption for node: http://172.23.120.81:8091

Turned on encryption for node: http://172.23.120.86:8091

Turned on encryption for node: http://172.23.121.77:8091

Turned on encryption for node: http://172.23.123.25:8091

Turned on encryption for node: http://172.23.123.26:8091

Turned on encryption for node: http://172.23.123.31:8091

Turned on encryption for node: http://172.23.123.32:8091

Turned on encryption for node: http://172.23.123.33:8091

Turned on encryption for node: http://172.23.96.122:8091

Turned on encryption for node: http://172.23.96.243:8091

Turned on encryption for node: http://172.23.96.254:8091

Turned on encryption for node: http://172.23.96.48:8091

Turned on encryption for node: http://172.23.97.105:8091

Turned on encryption for node: http://172.23.97.110:8091

Turned on encryption for node: http://172.23.97.112:8091

Turned on encryption for node: http://172.23.97.148:8091

Turned on encryption for node: http://172.23.97.149:8091

Turned on encryption for node: http://172.23.97.150:8091

Turned on encryption for node: http://172.23.97.241:8091

Turned on encryption for node: http://172.23.97.74:8091

ERROR: _ - Failed to update distribution configuration file. Failed to start the following required listeners: "TCP-IPv4"

[root@localhost ~]# curl -v -u Administrator:password http://localhost:8091/settings/security -d "clusterEncryptionLevel=strict"

* About to connect() to localhost port 8091 (#0)

*   Trying ::1...

* Connected to localhost (::1) port 8091 (#0)

* Server auth using Basic with user 'Administrator'

> POST /settings/security HTTP/1.1

> Authorization: Basic QWRtaW5pc3RyYXRvcjpwYXNzd29yZA==

> User-Agent: curl/7.29.0

> Host: localhost:8091

> Accept: */*

> Content-Length: 29

> Content-Type: application/x-www-form-urlencoded

> 

* upload completely sent off: 29 out of 29 bytes

< HTTP/1.1 200 OK

< X-XSS-Protection: 1; mode=block

< X-Permitted-Cross-Domain-Policies: none

< X-Frame-Options: DENY

< X-Content-Type-Options: nosniff

< Server: Couchbase Server

< Pragma: no-cache

< Expires: Thu, 01 Jan 1970 00:00:00 GMT

< Date: Fri, 21 Jan 2022 07:46:28 GMT

< Content-Type: application/json

< Content-Length: 2

< Cache-Control: no-cache,no-store,must-revalidate

< 

* Connection #0 to host localhost left intact

[]