ring1 network is usually faulty

[itvietnam]

Hello,

our ring1 network is usually die and auto recover after 1 second. May i know how to fix this problem?

Spoiler: ring1 die

root@hv117:~# systemctl status corosync
● corosync.service - Corosync Cluster Engine
Loaded: loaded (/lib/systemd/system/corosync.service; enabled; vendor preset: enabled)
Active: active (running) since Thu 2018-10-04 17:13:43 +07; 7min ago
Docs: man:corosync
man:corosync.conf
man:corosync_overview
Main PID: 14045 (corosync)
Tasks: 2 (limit: 4915)
Memory: 48.5M
CPU: 8.670s
CGroup: /system.slice/corosync.service
└─14045 /usr/sbin/corosync -f

Oct 04 17:13:52 hv117 corosync[14045]: notice [MAIN ] Completed service synchronization, ready to provide service.
Oct 04 17:13:52 hv117 corosync[14045]: [QUORUM] This node is within the primary component and will provide service.
Oct 04 17:13:52 hv117 corosync[14045]: [QUORUM] Members[11]: 4 9 10 11 12 13 14 15 16 1 2
Oct 04 17:13:52 hv117 corosync[14045]: [MAIN ] Completed service synchronization, ready to provide service.
Oct 04 17:13:53 hv117 corosync[14045]: info [MAIN ] Q empty, queued:0 sent:2.
Oct 04 17:13:53 hv117 corosync[14045]: [MAIN ] Q empty, queued:0 sent:2.
Oct 04 17:15:03 hv117 corosync[14045]: error [TOTEM ] Marking ringid 1 interface 10.20.30.167 FAULTY
Oct 04 17:15:03 hv117 corosync[14045]: [TOTEM ] Marking ringid 1 interface 10.20.30.167 FAULTY
Oct 04 17:15:04 hv117 corosync[14045]: notice [TOTEM ] Automatically recovered ring 1
Oct 04 17:15:04 hv117 corosync[14045]: [TOTEM ] Automatically recovered ring 1

Thanks,