Steps to reproduce: 1. Use gentoo-kernel-bin 2. Emerge net-firewall/firewalld 3. It will warn about CONFIG_NF_CT_NETLINK_HELPER not set ERROR: setup CONFIG_NF_CT_NETLINK_HELPER: is not set when it should be. WARN: setup Please check to make sure these options are set correctly. Failure to do so may cause unexpected problems.
Versions of the packages are net-firewall/firewalld-2.1.1-r5 sys-kernel/gentoo-kernel-bin-6.6.51
Same here with net-firewall/firewalld-2.2.3 sys-kernel/gentoo-kernel-bin-6.6.62