Agave: episodic inaccessibility of servers on colo

Since last Friday (16.10) the server on colo in the Agave DC in Dolgoprudny occasionally disappears for a few minutes.

Support answers are different each time:

Romanyuk Aleksey, Engineer of the Dedicated / Colocation Department:
The address is now available on the network.

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Kruglov Alexey, Engineer of the Dedicated / Colocation department:
In the hosting site there were problems, work on their
liquidation completed. Your server is currently running and accessible over the network.

Oleg Konobeev, Specialist of round-the-clock technical support for the data center:
The inaccessibility of your server, the last 10 minutes, is associated with problems
channel provider equipment.
Now the server is available.

Who else suffers from this and what do you answer?

Problem with network? With food?