IPV6只能侦听nginx上的默认虚拟主机,而不能侦听其他虚拟主机

我的nginx有一个问题:它只监听nginx上的默认虚拟主机,而不监听其他使用ipv6的vhost。

这是默认的虚拟主机networkingconfiguration:

server { listen 80 default_server; listen [::]:80 default_server ipv6only=off deferred; } 

这是第二个虚拟主机networkingconfiguration:

 server { listen 80; listen [::]:80; } 

nginx告诉我的错误是这样的:

 nginx: [emerg] bind() to [::]:80 failed (98: Address already in use) nginx: [emerg] bind() to [::]:80 failed (98: Address already in use) 

你可以帮我吗? 谢谢大家。