请各位帮我看一下，这个是什么情况

chujian

Oct  1 02:00:00 www /kernel: arp: 192.168.0.71 moved from 00:13:8f:15:dd:e0 to 00:13:8f:15:d7:80 on fxp1
Oct  1 02:00:00 www /kernel: arp: 192.168.0.68 moved from 00:13:8f:0f:19:0b to 00:13:8f:15:d7:80 on fxp1
Oct  1 02:00:00 www /kernel: arp: 192.168.0.60 moved from 00:13:8f:12:dc:63 to 00:13:8f:15:d7:80 on fxp1
Oct  1 02:00:00 www /kernel: arp: 192.168.0.55 moved from 00:13:8f:12:df:e4 to 00:13:8f:15:d7:80 on fxp1
Oct  1 02:00:01 www /kernel: arp: 192.168.0.4 moved from 00:0b:6a:6b:5e:f4 to 00:13:8f:15:d7:80 on fxp1
Oct  1 02:00:01 www /kernel: arp: 192.168.0.2 moved from 00:0b:6a:ef:8e:c3 to 00:13:8f:15:d7:80 on fxp1
Oct  1 02:00:01 www /kernel: arp: 192.168.0.91 moved from 00:13:8f:15:d7:80 to 00:13:8f:12:dd:c0 on fxp1
Oct  1 02:00:01 www /kernel: arp: 192.168.0.4 moved from 00:13:8f:15:d7:80 to 00:0b:6a:6b:5e:f4 on fxp1
Oct  1 02:00:05 www /kernel: arp: 192.168.0.91 moved from 00:13:8f:12:dd:c0 to 00:13:8f:15:d7:80 on fxp1
Oct  1 02:00:05 www /kernel: arp: 192.168.0.91 moved from 00:13:8f:15:d7:80 to 00:13:8f:12:dd:c0 on fxp1
Oct  1 02:00:06 www /kernel: arp: 192.168.0.4 moved from 00:0b:6a:6b:5e:f4 to 00:13:8f:15:d7:80 on fxp1
Oct  1 02:00:06 www /kernel: arp: 192.168.0.4 moved from 00:13:8f:15:d7:80 to 00:0b:6a:6b:5e:f4 on fxp1
Oct  1 02:00:10 www /kernel: arp: 192.168.0.91 moved from 00:13:8f:12:dd:c0 to 00:13:8f:15:d7:80 on fxp1
Oct  1 02:00:10 www /kernel: arp: 192.168.0.91 moved from 00:13:8f:15:d7:80 to 00:13:8f:12:dd:c0 on fxp1
Oct  1 02:00:11 www /kernel: arp: 192.168.0.4 moved from 00:0b:6a:6b:5e:f4 to 00:13:8f:15:d7:80 on fxp1
Oct  1 02:00:12 www /kernel: arp: 192.168.0.4 moved from 00:13:8f:15:d7:80 to 00:0b:6a:6b:5e:f4 on fxp1
Oct  1 02:00:14 www /kernel: arp: 192.168.0.74 moved from 00:13:8f:15:d7:80 to 00:13:8f:12:dc:ab on fxp1
Oct  1 02:00:15 www /kernel: arp: 192.168.0.91 moved from 00:13:8f:12:dd:c0 to 00:13:8f:15:d7:80 on fxp1
Oct  1 02:00:15 www /kernel: arp: 192.168.0.74 moved from 00:13:8f:12:dc:ab to 00:13:8f:15:d7:80 on fxp1
Oct  1 02:00:16 www /kernel: arp: 192.168.0.74 moved from 00:13:8f:15:d7:80 to 00:13:8f:12:dc:ab on fxp1
Oct  1 02:00:16 www /kernel: arp: 192.168.0.91 moved from 00:13:8f:15:d7:80 to 00:13:8f:12:dd:c0 on fxp1
Oct  1 02:00:16 www /kernel: arp: 192.168.0.4 moved from 00:0b:6a:6b:5e:f4 to 00:13:8f:15:d7:80 on fxp1
Oct  1 02:00:17 www /kernel: arp: 192.168.0.4 moved from 00:13:8f:15:d7:80 to 00:0b:6a:6b:5e:f4 on fxp1
Oct  1 02:00:17 www /kernel: arp: 192.168.0.2 moved from 00:13:8f:15:d7:80 to 00:0b:6a:ef:8e:c3 on fxp1


出现大量这样的数据后，局域网就无法正常上网了。 不知道出现这样的信息，代表什么？