docker访问宿主机：No route to host (Host unreachable)

1. 修改firewalld配置文件

[[email protected] ~]# vim /etc/firewalld/zones/public.xml

在rule中添加docker网桥ip段

<rule family="ipv4">
  <source address="172.17.0.0/16" />
  <accept />
</rule>

2. 重启firewalld

[[email protected] ~]# systemctl restart firewalld