[ISC-support #20173] Root key not updating if no connection at first start up
https://support.isc.org/Ticket/Display.html?id=20173
A customer has reported that after upgrading to 9.16.25-S1, that the default automatic trust anchor management does not gracefully recover from a condition where BIND is started with no external connectivity. Manually configuring trust anchors and disabling the default-automatic management is working for this customer, but they are concerned about the default behavior during no-connectivity startups.