This system already has IPv4 connectivity; no need for a CLAT!

[vihatsoft]

Internet not connect 1.1.1.1 or 8.8.8.8 without clat but when install CLAT get error.
OpenWrt 464XLAT work fine. get Error when try clatd
This system already has IPv4 connectivity; no need for a CLAT.
Why?

root@pi:~# service clatd status
● clatd.service - 464XLAT CLAT daemon
     Loaded: loaded (/etc/systemd/system/clatd.service; enabled; vendor preset: enabled)
     Active: inactive (dead) since Sat 2024-01-06 17:03:27 IST; 1s ago
       Docs: man:clatd(8)
    Process: 5914 ExecStart=/usr/sbin/clatd (code=exited, status=0/SUCCESS)
   Main PID: 5914 (code=exited, status=0/SUCCESS)
        CPU: 532ms

Jan 06 17:03:13 pi clatd[5914]: Starting clatd v1.6nat46 by Tore Anderson <tore@fud.no>
Jan 06 17:03:13 pi clatd[5914]: Performing DNS64-based PLAT prefix discovery (cf. RFC 7050)
Jan 06 17:03:17 pi clatd[5914]: Using PLAT (NAT64) prefix: 64:ff9b::/96
Jan 06 17:03:17 pi clatd[5914]: Device facing the PLAT: eth0
Jan 06 17:03:17 pi clatd[5914]: Attempting to derive a CLAT IPv6 address from an IPv6 address on 'eth0'
Jan 06 17:03:27 pi clatd[5914]: Using CLAT IPv4 address: 192.0.0.1
Jan 06 17:03:27 pi clatd[5914]: Using CLAT IPv6 address: 2409:40c1:40xxxxx57e5:7dc1:6378:0
Jan 06 17:03:27 pi clatd[5914]: Checking if this system already has IPv4 connectivity in 10 sec(s)
Jan 06 17:03:27 pi clatd[5914]: This system already has IPv4 connectivity; no need for a CLAT.
Jan 06 17:03:27 pi systemd[1]: clatd.service: Succeeded.

[toreanderson]

What's the output of ip -4 route list default when starting clatd?

[vihatsoft]

thank you for your reply. i try openwrt and currently solve my problem..