Azure is recommending that affected customers reboot their servers to obtain an updated DHCP lease to resolve this issue
Posted Aug 30, 2022 - 15:11 UTC
Identified
From Azure (https://status.azure.com/en-gb/status) Starting at approximately 06:00 UTC on 30 Aug 2022, a number of customers running Ubuntu 18.04 (bionic) VMs recently upgraded to systemd version 237-3ubuntu10.54 reported experiencing DNS errors when trying to access their resources. Reports of this issue are confined to this single Ubuntu version.