不知道是路由器原因还是系统原因，在开启IPv6的情况下，最近浏览器经常出现ERR_NETWORK_CHANGED问题

在终端看了一下，有一个IPv6地址一直在使用和废弃之间反复横跳，具体如下

pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196251sec preferred_lft 109851sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global deprecated dynamic noprefixroute 
       valid_lft 1860sec preferred_lft 0sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196247sec preferred_lft 109847sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global deprecated dynamic noprefixroute 
       valid_lft 1856sec preferred_lft 0sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196243sec preferred_lft 109843sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global deprecated dynamic noprefixroute 
       valid_lft 1853sec preferred_lft 0sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196242sec preferred_lft 109842sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global dynamic noprefixroute 
       valid_lft 1852sec preferred_lft 1sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196237sec preferred_lft 109837sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global deprecated dynamic noprefixroute 
       valid_lft 1847sec preferred_lft 0sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196236sec preferred_lft 109836sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global dynamic noprefixroute 
       valid_lft 1846sec preferred_lft 1sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196235sec preferred_lft 109835sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global deprecated dynamic noprefixroute 
       valid_lft 1845sec preferred_lft 0sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196234sec preferred_lft 109834sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global deprecated dynamic noprefixroute 
       valid_lft 1844sec preferred_lft 0sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196234sec preferred_lft 109834sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global deprecated dynamic noprefixroute 
       valid_lft 1844sec preferred_lft 0sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196233sec preferred_lft 109833sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global dynamic noprefixroute 
       valid_lft 1842sec preferred_lft 1sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196232sec preferred_lft 109832sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global deprecated dynamic noprefixroute 
       valid_lft 1841sec preferred_lft 0sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196232sec preferred_lft 109832sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global deprecated dynamic noprefixroute 
       valid_lft 1841sec preferred_lft 0sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196231sec preferred_lft 109831sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global deprecated dynamic noprefixroute 
       valid_lft 1840sec preferred_lft 0sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196230sec preferred_lft 109830sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global dynamic noprefixroute 
       valid_lft 1839sec preferred_lft 1sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196230sec preferred_lft 109830sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global dynamic noprefixroute 
       valid_lft 1839sec preferred_lft 1sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196229sec preferred_lft 109829sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global deprecated dynamic noprefixroute 
       valid_lft 1838sec preferred_lft 0sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196228sec preferred_lft 109828sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global deprecated dynamic noprefixroute 
       valid_lft 1837sec preferred_lft 0sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196228sec preferred_lft 109828sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global deprecated dynamic noprefixroute 
       valid_lft 1837sec preferred_lft 0sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196227sec preferred_lft 109827sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global dynamic noprefixroute 
       valid_lft 1836sec preferred_lft 1sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196226sec preferred_lft 109826sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global dynamic noprefixroute 
       valid_lft 1836sec preferred_lft 1sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
pandong@deepin25:~$ ip -6 addr show
1: lo:  mtu 65536 state UNKNOWN qlen 1000
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
3: wlp98s0:  mtu 1500 state UP qlen 1000
    inet6 2409:8a28:acb1:edcc:bb7d:51e5:2ab3:abcd/64 scope global dynamic noprefixroute 
       valid_lft 196225sec preferred_lft 109825sec
    inet6 2409:8a28:acb1:edc0:6594:abcd:60ae:abcd/64 scope global deprecated dynamic noprefixroute 
       valid_lft 1834sec preferred_lft 0sec
    inet6 fe80::1fb:73ee:8c67:5a1f/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever

连续查看本机IP地址可以看到，下面一条IPv6地址状态一直在变，推测浏览器ERR_NETWORK_CHANGED问题就是由于这个地址一直在变导致的

目前临时的解决办法是禁用掉IPv6，不然有时候浏览网页都有问题，有些图片会加载不出来