我在 ubuntu 上配置了一个 dhcpv6 服务器。 我根据接口 ID 为每个客户端定义了静态绑定。 但是，当客户端请求时，DHCPv6 服务器上的分配将失败。 ">dhcpd[122762]： send_packet6： 错误的文件描述符">
----在 dhcpv6 服务器上配置----
subnet6 2404:e801:1014::/48 {
host client-name-2404.e801.1014.5 {
host-identifier option dhcp6.interface-id "OLT3923.IOT xpon 0/2/0/1:2404:e801:1014::5";
fixed-address6 2404:e801:1014::5;
fixed-prefix6 b1a1:3003:1014:5::/64;
}
----系统日志消息----
dhcpd[122762]: Relay-forward message from 2406:3003:1:5a::1 port 547, link address 2404:e801:1014::1, peer address fe80::244:1ff:fe00:1
dhcpd[122762]: Advertise NA: address 2404:e801:1014::5 to client with duid 00:01:00:01:26:69:f0:4b:00:44:01:00:00:01 iaid = 1 static
dhcpd[122762]: Advertise PD: address b1a1:3003:1014:5::/64 to client with duid 00:01:00:01:26:69:f0:4b:00:44:01:00:00:01 iaid = 2 static
dhcpd[122762]: Sending Relay-reply to 2406:3003:1:5a::1 port 547
dhcpd[122762]: send_packet6: Bad file descriptor
dhcpd[122762]: dhcpv6: send_packet6() sent -1 of 177 bytes
dhcpd[122762]: Relay-forward message from 2406:3003:1:5a::1 port 547, link address 2404:e801:1014::1, peer address fe80::244:1ff:fe00:1
dhcpd[122762]: Advertise NA: address 2404:e801:1014::5 to client with duid 00:01:00:01:26:69:f0:4b:00:44:01:00:00:01 iaid = 1 static
dhcpd[122762]: Advertise PD: address b1a1:3003:1014:5::/64 to client with duid 00:01:00:01:26:69:f0:4b:00:44:01:00:00:01 iaid = 2 static
dhcpd[122762]: Sending Relay-reply to 2406:3003:1:5a::1 port 547
dhcpd[122762]: send_packet6: Bad file descriptor
dhcpd[122762]: dhcpv6: send_packet6() sent -1 of 177 bytes
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 19.10
Release: 19.10
Codename: eoan
用于DHCPV6服务器的接口也有子接口，这些子接口用于其他一些功能。
删除子接口后，分配成功。
这看起来像一个限制/错误，但找不到任何文档。