echo '===MONITOR:dmesg==='
# -T 输出人类可读时间戳（如 [Mon Aug 24 10:23:45 2026]），
# 依赖挂载宿主机 /etc/localtime 保证时区正确；老内核不支持 -T 时回退
DMESG_ERR=$(dmesg -T --level=err,crit,alert,emerg 2>/dev/null | tail -30)
if [ -z "$DMESG_ERR" ]; then
	DMESG_ERR=$(dmesg --level=err,crit,alert,emerg 2>/dev/null | tail -30 || true)
fi
if [ -n "$DMESG_ERR" ]; then
	echo 'status:fail'
	echo "output:${DMESG_ERR}"
else
	echo 'status:pass'
	echo 'output:无硬件相关内核报错'
fi
echo ''
echo '===END==='