test/test-network/conf/25-sysctl.network

[Match]
Name=dummy98

[Network]
IPForward=true
IPv6PrivacyExtensions=true
IPv6DuplicateAddressDetection=3
IPv6HopLimit=5
IPv4ProxyARP=true
IPv6ProxyNDP=true
IPv6AcceptRA=no
IPv4AcceptLocal=yes