为什么会出现这么IP连不上呀，

[weixin_38062262]

在/var/adm/messages下用more messages看到这么多连不上，什么意思呀，怎么解决！
ct 13 07:41:53 hcgsapd bootpd[567]: [ID 187357 daemon.notice] IP address not found: 10.160.11.191
Oct 13 07:41:56 hcgsapd last message repeated 1 time
Oct 13 07:43:52 hcgsapd bootpd[567]: [ID 725665 daemon.notice] IP address not found: 10.160.11.165
Oct 13 07:43:56 hcgsapd last message repeated 1 time
Oct 13 07:45:48 hcgsapd bootpd[567]: [ID 846224 daemon.notice] IP address not found: 10.160.11.175
Oct 13 07:45:52 hcgsapd last message repeated 1 time
Oct 13 07:45:52 hcgsapd bootpd[567]: [ID 725665 daemon.notice] IP address not found: 10.160.11.165
Oct 13 07:45:56 hcgsapd last message repeated 1 time
Oct 13 07:47:52 hcgsapd bootpd[567]: [ID 725665 daemon.notice] IP address not found: 10.160.11.165
Oct 13 07:53:57 hcgsapd last message repeated 7 times
Oct 13 07:53:58 hcgsapd bootpd[567]: [ID 299503 daemon.notice] IP address not found: 10.160.11.253
Oct 13 07:54:01 hcgsapd last message repeated 1 time
Oct 13 07:55:14 hcgsapd bootpd[567]: [ID 299503 daemon.notice] IP address not found: 10.160.11.253
Oct 13 07:55:17 hcgsapd last message repeated 1 time
Oct 13 07:55:52 hcgsapd bootpd[567]: [ID 725665 daemon.notice] IP address not found: 10.160.11.165
Oct 13 07:55:57 hcgsapd last message repeated 1 time
Oct 13 07:57:42 hcgsapd bootpd[567]: [ID 299503 daemon.notice] IP address not found: 10.160.11.253
Oct 13 07:57:47 hcgsapd last message repeated 1 time
Oct 13 07:57:52 hcgsapd bootpd[567]: [ID 725665 daemon.notice] IP address not found: 10.160.11.165
Oct 13 07:59:57 hcgsapd last message repeated 3 times
Oct 13 08:00:20 hcgsapd bootpd[567]: [ID 122868 daemon.notice] IP address not found: 10.160.11.113
Oct 13 08:00:24 hcgsapd last message repeated 1 time
Oct 13 08:01:13 hcgsapd bootpd[567]: [ID 299503 daemon.notice] IP address not found: 10.160.11.253
Oct 13 08:01:17 hcgsapd last message repeated 1 time
Oct 13 08:01:51 hcgsapd bootpd[567]: [ID 725665 daemon.notice] IP address not found: 10.160.11.165