Cogentco upgrades/maintenances can affect Montréal (MTL) zone

As precised on Cogentco status page,

Cogent will be performing code upgrades in the following areas.
During these upgrades, customers in or transiting the area may experience
intermittent periods of packet loss and latency between 15 and 45 minutes 
for the duration of the window.

Location: Paris, France
Start time: 11/30 00:01 CET
End time: 11/30 06:00 CET
Work order number: NC840-119

our link with Montréal (MTL) zone can be affected by issues, so our systems (deployments, monitoring, etc.) on Montréal (MTL) can experiences issues.