LACP 绑定中的一个链接出现 'churned'状态，且没有发送任何 LACPDU

Issue

重启时，LACP/mode 4 绑定中的一个 NIC 未按预期出现。
在 /proc/net/bonding/bond0 的输出中，一个接口被列为 'churned'
一个链接的"系统 MAC 地址'是 00:00:00:00:00:00。

Slave Interface: ens3
MII Status: up
Speed: 10000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:00:00:00:00:CC
Slave queue ID: 0
Aggregator ID: 1
Actor Churn State: churned
Partner Churn State: churned
Actor Churned Count: 1
Partner Churned Count: 1
details actor lacp pdu:
    system priority: 65535
    system mac address: 00:00:00:00:00:cc
    port key: 0
    port priority: 255
    port number: 1
    port state: 69
details partner lacp pdu:
    system priority: 65535
    system mac address: 00:00:00:00:00:00
    oper key: 1
    port priority: 255
    port number: 1
    port state: 1