# systemctl --version -> systemd 252
[Match]
Name=eth0 end0 enp0s*

[Network]
DHCP=true
IPv6LinkLocalAddressGenerationMode=stable-privacy
LLMNR=false
MulticastDNS=true
DNSOverTLS=opportunistic
DNSSEC=allow-downgrade
IPv6PrivacyExtensions=true
IPv6AcceptRA=true

[Route]
Gateway=_dhcp4
Gateway=_ipv6ra

[DHCPv4]
UseDNS=true
UseDomains=true

[DHCPv6]
RapidCommit=true
UseDNS=false
UseDomains=false

[IPv6AcceptRA]
# eui64
#Token=eui64
# rfc7217
Token=prefixstable
UseDNS=true
UseDomains=true