ncu_action
ret = ncu_action(name, ncph, NWAM_NCU_TYPE_LINK, enable,
ret = ncu_action(name, ncph, NWAM_NCU_TYPE_INTERFACE, enable,
ret = ncu_action(name, NULL, ncu_type, B_TRUE, &realname);
ret = ncu_action(name, NULL, ncu_type, B_FALSE, &realname);