DNS resolution for management interface not working after upgrade to 10.2.3

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DNS resolution for management interface not working after upgrade to 10.2.3

L1 Bithead

Since upgrading our firewalls from 10.2.2-h2 to either 10.2.3 or 10.2.3-h2, any DNS resolution from the management interface is failing. Attempting to ping an FQDN from the CLI results in "ping: cnn.com: System error". I confirmed that the DNS servers configured in Device -> Setup -> Services and the management interface settings in Device -> Setup -> Interfaces are correct and have not changed. We're using the same internal DNS server that we've been using for years and there are no issues with name resolution from other clients using those servers. is there any way to solve this?

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