navss_psil_pair
return navss_psil_pair(ud, src_thread, dst_thread);
ret = navss_psil_pair(ud, uc->config.src_thread, uc->config.dst_thread);
ret = navss_psil_pair(ud, uc->config.src_thread,
ret = navss_psil_pair(ud, uc->config.src_thread, uc->config.dst_thread);