default or selected kernelversion does not have config value CONFIG_NF_CONNTRACK_SUPPORT.
Result is shown for kernelversion 5.15.113

Layer 3 Independent Connection tracking


Netfilter connection tracking support
└─>Layer 3 Independent Connection tracking
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Layer 3 independent connection tracking is experimental scheme
which generalize ip_conntrack to support other layer 3 protocols.

This is required to do Masquerading or other kinds of Network
Address Translation (except for Fast NAT). It can also be used to
enhance packet filtering (see `Connection state match support'