We investigating network performance degradation on UA1.KHA location. More information about this incident will be posted soon.
Seems to be removing one of modules from paths resolve today's issue with network performance and interface flapping. Now all metrics back to normal.
We appreciate your understanding, support and patience during this incident.
Possible cause of interface flapping is eliminated - broken module removed, network rerouted using different paths. We monitoring network performance now.
Our staff working on this issue with one of core routers. We apologize for any inconvenience caused. When there will be news we will inform you here.