Bug#1117797: "Tried to start delayed item" ... "but failed" in output of apt-get install

[Dan Jacobson]

Package: apt
Please add a limit, e.g., once,

https://unix.stackexchange.com/questions/727909/tried-to-start-delayed-item-but-failed-in-output-of-apt-get-install

Currently the messages mentioned will spew 1000s of times.