int link_address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata);
int link_route_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata);
int link_address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata);
int link_route_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata);