最近感觉网速变慢了，打开路由器管理面板查看日志信息，发现日志信息中有很多“ADPM”和“ICMP”字样，感觉不太正常。
以下是消息内容：
2017/5/12 12:44:54 DPM ep 55270
2017/5/12 12:44:54 ADPM ep 55270 ipa 173 ip 55270 UNo2
2017/5/12 12:45:39 DPM ep 55270
2017/5/12 12:45:39 ADPM ep 55270 ipa 173 ip 55270 UNo2
2017/5/12 12:46:15 DPM ep 55270
2017/5/12 12:46:15 ADPM ep 55270 ipa 173 ip 55270 UNo2
2017/5/12 12:47:00 DPM ep 55270
2017/5/12 12:47:00 ADPM ep 55270 ipa 173 ip 55270 UNo2
2017/5/12 12:47:01 DPM ep 55270
2017/5/12 12:47:02 ADPM ep 55270 ipa 173 ip 55270 UNo2
2017/5/12 12:47:40 DPM ep 55270
2017/5/12 12:47:40 ADPM ep 55270 ipa 173 ip 55270 UNo2
2017/5/12 12:48:11 DPM ep 55270
2017/5/12 12:48:12 ADPM ep 55270 ipa 173 ip 55270 UNo2
2017/5/12 12:48:56 DPM ep 55270
2017/5/12 12:48:56 ADPM ep 55270 ipa 173 ip 55270 UNo2
2017/5/12 12:49:32 DPM ep 55270
2017/5/12 12:49:33 ADPM ep 55270 ipa 173 ip 55270 UNo2
2017/5/12 12:50:10 DPM ep 55270
2017/5/12 12:50:10 ADPM ep 55270 ipa 173 ip 55270 UNo2
2017/5/12 12:50:54 DPM ep 55270
2017/5/12 12:50:54 ADPM ep 55270 ipa 173 ip 55270 UNo2
2017/5/12 12:51:28 DPM ep 55270
2017/5/12 13:19:23 ICMP: type 3 code 1 from 218.79.8.132
2017/5/12 13:19:26 ICMP: type 3 code 1 from 116.230.34.201
2017/5/12 13:19:26 ICMP: type 3 code 1 from 116.230.34.201
2017/5/12 13:19:32 ICMP: type 3 code 1 from 218.79.8.132
2017/5/12 13:23:10 ICMP: type 3 code 1 from 114.158.250.21
2017/5/12 13:23:10 ICMP: type 3 code 1 from 114.158.250.21
2017/5/12 13:23:19 ICMP: type 3 code 1 from 114.158.250.21
2017/5/12 13:23:56 ICMP: type 3 code 1 from 116.230.34.201
2017/5/12 13:24:00 ICMP: type 3 code 1 from 116.230.34.201
2017/5/12 13:24:00 ICMP: type 3 code 1 from 116.230.34.201
2017/5/12 13:24:06 ICMP: type 3 code 1 from 116.230.34.201
2017/5/12 13:24:10 ICMP: type 3 code 1 from 123.203.74.171
2017/5/12 13:24:12 ICMP: type 3 code 1 from 218.79.8.132
2017/5/12 13:24:12 ICMP: type 3 code 1 from 218.79.8.132
2017/5/12 13:24:12 ICMP: type 3 code 1 from 218.79.8.132
2017/5/12 13:24:15 ICMP: type 3 code 1 from 218.79.8.132
2017/5/12 13:24:21 ICMP: type 3 code 1 from 218.79.8.132
2017/5/12 13:24:21 ICMP: type 3 code 1 from 218.79.8.132
2017/5/12 13:24:23 ICMP: type 3 code 13 from 194.135.128.75
2017/5/12 13:26:44 ICMP: type 8 code 0 from 123.233.247.196
2017/5/12 13:26:44 ICMP: type 8 code 0 from 60.216.174.226
2017/5/12 13:26:44 ICMP: type 8 code 0 from 123.233.247.206
2017/5/12 13:26:44 ICMP: type 8 code 0 from 123.232.105.213
2017/5/12 13:26:44 ICMP: type 8 code 0 from 123.232.105.219
2017/5/12 13:26:44 ICMP: type 8 code 0 from 123.233.246.91
2017/5/12 13:27:07 ICMP: type 3 code 1 from 94.180.23.101
2017/5/12 13:28:31 ICMP: type 3 code 1 from 23.17.18.187
这些消息是什么意思？我该怎么做才能使网络恢复正常？