这是一段/proc/net/tcp文件:sllocal_addressrem_addresssttx_queuerx_queuetrtm->whenretrnsmtuidtimeoutinode6:1904A8C0:AC359603020A:1ED00100000000:0000000000:000000000000000010055085062c16249001290010-17:1904A8C0:E8C413A11C1F:00500600000000:0000000003:00001390000000000003d6267780谁能解释一下inode列中的值是什么意思？我对两种情况