+dhcpv4_forcereconf bool 0 Force reconfiguration by sending
+ force renew message even if the client
+ did not include the force renew nonce
+ capability option (RFC6704)
+dhcpv6_assignall bool 1 Assign all viable DHCPv6 addresses
+ in statefull mode; if disabled
+ only the DHCPv6 address having the
+ longest preferred lifetime is assigned