Redis did not switch from TCP to Socket

Hello

I am trying to let Redis work as a Unix socket by following this tutorial https://guides.wp-bullet.com/how-to-configure-redis-to-use-unix-socket-speed-boost/

Everything is working fine except the plugin does not display the Unix socket connection. Here is the screenshot https://prnt.sc/BP5gxCXfgmB_

Below are the Diagnostics info

Status: Connected
Client: Predis (v1.1.9)
Drop-in: Valid
Disabled: No
Ping: PONG
Errors: []
PhpRedis: Not loaded
Relay: Not loaded
Predis: 1.1.9
Credis: Not loaded
PHP Version: 8.0.17
Plugin Version: 2.0.23
Redis Version: 6.0.16
Multisite: No
Metrics: Enabled
Metrics recorded: 24
Filesystem: Working
Global Prefix: "wp_"
Blog Prefix: "wp_"
WP_REDIS_SCHEME: "unix"
WP_REDIS_PATH: "/var/run/redis/redis-server.sock"
WP_REDIS_PREFIX: "lowenddirectory.com"
WP_CACHE_KEY_SALT: "lowenddirectory.com"
Global Groups: [
    "blog-details",
    "blog-id-cache",
    "blog-lookup",
    "global-posts",
    "networks",
    "rss",
    "sites",
    "site-details",
    "site-lookup",
    "site-options",
    "site-transient",
    "users",
    "useremail",
    "userlogins",
    "usermeta",
    "user_meta",
    "userslugs",
    "redis-cache",
    "blog_meta"
]
Ignored Groups: [
    "counts",
    "plugins",
    "themes"
]
Unflushable Groups: []
Drop-ins: [
    "Redis Object Cache Drop-In v2.0.23 by Till Krüss"
]

root@scp:/var/run/redis# ls -lh /var/run/redis
total 4.0K
-rw-rw—- 1 redis redisuser 7 Mar 21 15:24 redis-server.pid
srwxrwxr-x 1 redis redisuser 0 Mar 21 15:24 redis-server.sock

I even change the port from 6379 to 0 and restart redis-server but the plugin still shows port 6379 at 1st screenshort.

Please help.

Thank you
TOM