int setup_router_interface(struct interface *iface, bool enable);
int setup_dhcpv6_interface(struct interface *iface, bool enable);
int setup_ndp_interface(struct interface *iface, bool enable);
int setup_dhcpv4_interface(struct interface *iface, bool enable);
int setup_router_interface(struct interface *iface, bool enable);
int setup_dhcpv6_interface(struct interface *iface, bool enable);
int setup_ndp_interface(struct interface *iface, bool enable);
int setup_dhcpv4_interface(struct interface *iface, bool enable);