rootless: use the slirp4netns builtin DNS first
When using slirp4netns, be sure the built-in DNS server is the first
one to be used.
Closes:
@@ -1000,7 +1000,7 @@ func (c *Container) generateResolvConf() (string, error) {
nameservers := resolvconf.GetNameservers(resolv.Content)
// slirp4netns has a built in DNS server.
if c.config.NetMode.IsSlirp4netns() {
- nameservers = append(nameservers, "10.0.2.3")
+ nameservers = append([]string{"10.0.2.3"}, nameservers...)
}
if len(c.config.DNSServer) > 0 {
// We store DNS servers as net.IP, so need to convert to string
