Всем доброго дня.
Уже неделю непрерывно на сервере идут сообщения вида:

> arp: 192.168.0.4 is on rl0 but got reply from 00:13:d4:75:88:a1 on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on
> dc0
> arp: 192.168.0.4 is on rl0 but got reply from 00:13:d4:75:88:a1 on dc0
> arp: 192.168.0.4 is on rl0 but got reply from 00:13:d4:75:88:a1 on dc0
> arp: 192.168.0.1 is on rl0 but got reply from 00:03:47:cd:b5:dd on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.1 is on rl0 but got reply from 00:03:47:cd:b5:dd on dc0
> arp: 192.168.0.4 is on rl0 but got reply from 00:13:d4:75:88:a1 on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.4 is on rl0 but got reply from 00:13:d4:75:88:a1 on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.2 is on rl0 but got reply from 00:c0:26:2e:9d:16 on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.1 is on rl0 but got reply from 00:03:47:cd:b5:dd on dc0
> arp: 192.168.0.1 is on rl0 but got reply from 00:03:47:cd:b5:dd on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.1 is on rl0 but got reply from 00:03:47:cd:b5:dd on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.4 is on rl0 but got reply from 00:13:d4:75:88:a1 on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.4 is on rl0 but got reply from 00:13:d4:75:88:a1 on dc0
> arp: 192.168.0.2 is on rl0 but got reply from 00:c0:26:2e:9d:16 on dc0
> arp: 192.168.0.4 is on rl0 but got reply from 00:13:d4:75:88:a1 on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.47 is on rl0 but got reply from 00:0e:a6:2c:a5:8b on dc0
> arp: 192.168.0.4 is on rl0 but got reply from 00:13:d4:75:88:a1 on dc0

Подскажите, плиз, что это и как с ним бороться? Оно вроде, не мешает работе сервера, но как-то напрягает....