Bandwidth Monitoring Alert firing incorrectly

Following an upgrade to Ubuntu 18.04, am getting spurious alerts on bandwidth. Specifically, I have a script to transfer overnight backups to a different server every morning. These aren’t large, and never before triggered an alert (>5Mbps for 5 mins). However, now they do — and do so immediately when the script starts running. They suspiciously clear at 5 minutes 1 second.

Deleted the alert and tried again with the same results. Same problem with setting at 10 minutes. Anyone have any ideas?


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