OpenStack Mitaka集群nova-compute服务实际运行但控制节点显示State为down问题求助

各位大佬好，我正在OpenStack Mitaka版本的集群里做热迁移测试，目前集群有2台计算节点，上面部署了3台虚拟机。集群刚启动时nova-compute服务状态都是UP，但过了一段时间，控制节点显示计算节点的nova-compute服务Status为Enabled，但State变成了down，导致我的虚拟机出现了中断情况。

我在控制节点执行openstack compute service list命令，输出如下：

+----+------------------+-------------------------------------------------------+----------+---------+-------+----------------------------+
| Id | Binary           | Host                                                  | Zone     | Status  | State | Updated At                 |
+----+------------------+-------------------------------------------------------+----------+---------+-------+----------------------------+
|  1 | nova-cert        | ctl.livemigration.kkprojects-pg0.clemson.cloudlab.us  | internal | enabled | up    | 2023-02-18T21:17:06.000000 |
|  2 | nova-consoleauth | ctl.livemigration.kkprojects-pg0.clemson.cloudlab.us  | internal | enabled | up    | 2023-02-18T21:17:06.000000 |
|  3 | nova-scheduler   | ctl.livemigration.kkprojects-pg0.clemson.cloudlab.us  | internal | enabled | up    | 2023-02-18T21:17:09.000000 |
|  7 | nova-conductor   | ctl.livemigration.kkprojects-pg0.clemson.cloudlab.us  | internal | enabled | up    | 2023-02-18T21:17:08.000000 |
| 11 | nova-compute     | cp-1.livemigration.kkprojects-pg0.clemson.cloudlab.us | nova     | enabled | down  | 2023-02-18T20:14:16.000000 |
| 12 | nova-compute     | cp-2.livemigration.kkprojects-pg0.clemson.cloudlab.us | nova     | enabled | down  | 2023-02-18T20:14:21.000000 |
+----+------------------+-------------------------------------------------------+----------+---------+-------+----------------------------+

但登录到计算节点查看nova-compute服务状态时，发现它们明明都在正常运行：

cp-2节点状态 #

root@cp-2:/etc/selinux# hostname
cp-2.livemigration.kkprojects-pg0.clemson.cloudlab.us

root@cp-2:/etc/selinux# service nova-compute status
● nova-compute.service - OpenStack Compute
Loaded: loaded (/lib/systemd/system/nova-compute.service; enabled; vendor preset: enabled)
Active: active (running) since Sat 2023-02-18 14:20:22 EST; 1h 58min ago
Main PID: 9926 (nova-compute)
CGroup: /system.slice/nova-compute.service
└─9926 /usr/bin/python /usr/bin/nova-compute --config-file=/etc/nova/nova.conf --config-file=/etc/nova/nova-compute.conf --log-file=/var/log/nova/nova-compute.log

Feb 18 14:59:07 cp-2.livemigration.kkprojects-pg0.clemson.cloudlab.us sudo[19697]: pam_unix(sudo:session): session opened for user root by (uid=0)
Feb 18 14:59:07 cp-2.livemigration.kkprojects-pg0.clemson.cloudlab.us sudo[19697]: pam_unix(sudo:session): session closed for user root
Feb 18 14:59:07 cp-2.livemigration.kkprojects-pg0.clemson.cloudlab.us sudo[19703]:     nova : TTY=unknown ; PWD=/var/lib/nova ; USER=root ; COMMAND=/usr/bin/nova-rootwrap /etc/nova/rootwrap.conf o
Feb 18 14:59:07 cp-2.livemigration.kkprojects-pg0.clemson.cloudlab.us sudo[19703]: pam_unix(sudo:session): session opened for user root by (uid=0)
Feb 18 14:59:07 cp-2.livemigration.kkprojects-pg0.clemson.cloudlab.us ovs-vsctl[19706]: ovs|00001|vsctl|INFO|Called as /usr/bin/ovs-vsctl --timeout=120 -- --if-exists del-port qvo8e68056c-a0 -- ad
Feb 18 14:59:07 cp-2.livemigration.kkprojects-pg0.clemson.cloudlab.us sudo[19703]: pam_unix(sudo:session): session closed for user root
Feb 18 14:59:07 cp-2.livemigration.kkprojects-pg0.clemson.cloudlab.us sudo[19707]:     nova : TTY=unknown ; PWD=/var/lib/nova ; USER=root ; COMMAND=/usr/bin/nova-rootwrap /etc/nova/rootwrap.conf i
Feb 18 14:59:07 cp-2.livemigration.kkprojects-pg0.clemson.cloudlab.us sudo[19707]: pam_unix(sudo:session): session opened for user root by (uid=0)
Feb 18 15:00:25 cp-2.livemigration.kkprojects-pg0.clemson.cloudlab.us sudo[20242]:     nova : TTY=unknown ; PWD=/var/lib/nova ; USER=root ; COMMAND=/usr/bin/nova-rootwrap /etc/nova/rootwrap.conf t
Feb 18 15:00:25 cp-2.livemigration.kkprojects-pg0.clemson.cloudlab.us sudo[20242]: pam_unix(sudo:session): session opened for user root by (uid=0)

cp-1节点状态 #

root@cp-1:/var/log/nova# hostname
cp-1.livemigration.kkprojects-pg0.clemson.cloudlab.us

root@cp-1:/var/log/nova# service  nova-compute status
● nova-compute.service - OpenStack Compute
Loaded: loaded (/lib/systemd/system/nova-compute.service; enabled; vendor preset: enabled)
Active: active (running) since Sat 2023-02-18 15:37:11 EST; 42min ago
Process: 28530 ExecStartPre=/bin/chown nova:nova /var/lock/nova /var/log/nova /var/lib/nova (code=exited, status=0/SUCCESS)
Process: 28527 ExecStartPre=/bin/mkdir -p /var/lock/nova /var/log/nova /var/lib/nova (code=exited, status=0/SUCCESS)
Main PID: 28533 (nova-compute)
CGroup: /system.slice/nova-compute.service
└─28533 /usr/bin/python /usr/bin/nova-compute --config-file=/etc/nova/nova.conf --config-file=/etc/nova/nova-compute.conf --log-file=/var/log/nova/nova-compute.log

Feb 18 15:37:15 cp-1.livemigration.kkprojects-pg0.clemson.cloudlab.us nova-compute[28533]: 2023-02-18 15:37:15.281 28533 DEBUG nova.compute.manager [req-df86d8a0-a7ff-480d-b157-39ae745850fd - - -
Feb 18 15:37:15 cp-1.livemigration.kkprojects-pg0.clemson.cloudlab.us nova-compute[28533]: 2023-02-18 15:37:15.283 28533 DEBUG nova.compute.manager [req-df86d8a0-a7ff-480d-b157-39ae745850fd - - -
Feb 18 15:37:15 cp-1.livemigration.kkprojects-pg0.clemson.cloudlab.us nova-compute[28533]: 2023-02-18 15:37:15.283 28533 DEBUG nova.compute.manager [req-df86d8a0-a7ff-480d-b157-39ae745850fd - - -
Feb 18 15:37:15 cp-1.livemigration.kkprojects-pg0.clemson.cloudlab.us nova-compute[28533]: 2023-02-18 15:37:15.285 28533 DEBUG nova.compute.manager [req-df86d8a0-a7ff-480d-b157-39ae745850fd - - -
Feb 18 15:37:15 cp-1.livemigration.kkprojects-pg0.clemson.cloudlab.us nova-compute[28533]: 2023-02-18 15:37:15.287 28533 DEBUG nova.virt.libvirt.vif [req-df86d8a0-a7ff-480d-b157-39ae745850fd - - -
Feb 18 15:37:15 cp-1.livemigration.kkprojects-pg0.clemson.cloudlab.us nova-compute[28533]: s=<?>,shutdown_terminate=False,system_metadata=<?>,tags=<?>,task_state=None,terminated_at=None,updated_at
Feb 18 15:37:15 cp-1.livemigration.kkprojects-pg0.clemson.cloudlab.us nova-compute[28533]: 2023-02-18 15:37:15.289 28533 DEBUG nova.compute.manager [req-df86d8a0-a7ff-480d-b157-39ae745850fd - - -
Feb 18 15:37:15 cp-1.livemigration.kkprojects-pg0.clemson.cloudlab.us nova-compute[28533]: 2023-02-18 15:37:15.291 28533 DEBUG nova.compute.manager [req-df86d8a0-a7ff-480d-b157-39ae745850fd - - -
Feb 18 15:37:15 cp-1.livemigration.kkprojects-pg0.clemson.cloudlab.us nova-compute[28533]: 2023-02-18 15:37:15.346 28533 WARNING nova.compute.monitors [req-df86d8a0-a7ff-480d-b157-39ae745850fd - -
Feb 18 15:37:15 cp-1.livemigration.kkprojects-pg0.clemson.cloudlab.us nova-compute[28533]: 2023-02-18 15:37:15.347 28533 INFO nova.compute.resource_tracker [req-df86d8a0-a7ff-480d-b157-39ae745850f
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有没有大佬遇到过类似的情况？麻烦帮忙分析下可能的原因，或者给出排查方向，谢谢！

备注：内容来源于stack exchange，提问作者Anvay