我使用的是 Ubuntu 15.10，通过以太网连接到我的电缆型号路由器。安装 Ubuntu 后我没有以任何方式自定义网络设置。我注意到启动后大约 12 到 24 小时后，Ubuntu 开始断开互联网连接。通常我会在网页无法加载图像或 CSS 文件后注意到这一点。发生这种情况时，我注意到/var/syslog充满了如下条目：
Jan 8 05:26:40 46lbs avahi-daemon[730]: Registering new address record for 2605:e000:850e:8800:d9cb:5166:bac1:61d2 on eth0.*.
Jan 8 05:26:40 46lbs avahi-daemon[730]: Withdrawing address record for 2605:e000:850e:8800:d9cb:5166:bac1:61d2 on eth0.
Jan 8 05:26:43 46lbs avahi-daemon[730]: Registering new address record for 2605:e000:850e:8800:d9cb:5166:bac1:61d2 on eth0.*.
Jan 8 05:26:43 46lbs avahi-daemon[730]: Withdrawing address record for 2605:e000:850e:8800:d9cb:5166:bac1:61d2 on eth0.
Jan 8 05:26:46 46lbs avahi-daemon[730]: Registering new address record for 2605:e000:850e:8800:d9cb:5166:bac1:61d2 on eth0.*.
Jan 8 05:26:46 …