Comment 6 for bug 1907175

after removing the l3ha, the problem didn;t removed.
And after removing l3ha, the disorder suddenly increased, and after 3 minutes of service, it was cut off for about 5 minutes, and this condition continued.

Even if I restarted ovs-switchd, it died again after 1-2 seconds ping.
This problem occurred only in one of the four zones at present, and we are going to proceed in the direction of removing the current DVR.

Before removing DVR, we will test in network switch

This structure is L2 leaf-spine structure, 10 leaves, 2 spines, and all are dell switches.
It is composed of LACP and VLT, and L2 is all composed of trunk mode.

We are suspicious of the switch aging time, and we will change the setting and check the impact. and we will operate the .L3 switch as a single for a while