Only IPv6 logs in access_log

Hi,

I have IPV4 server(IPv6 compatibility is enabled). Since 17 June (Before that everything was alrite) in my access log only ipv6 address are showing. NO records for IPv4 address at all. (no bots entry either as most of them use ipv4, not even google).

I tried disabling ipv6 compatibility. Then in logs IP address is shown blank. So Enabled it again.

If I disable ipv6. IPv6 users are not supposed to connect @least with not ipv6 ip. I have mod_cloudflare installed. Everything was fine till 17th June.

There is an update of easyapache 4 on 17th june

I think they created some issue. Does anyone know how to overcome that issue?