Warning messages "no active metadata service found error" loggoed on instance boot up

Issue

• What does it means "no active metadata service found error" on the cloud-init?
• Cloud-init couldn't proceed forward with the "no active metadata service found error" warning.

• Warning messages "no active metadata service found error" logged on instance boot up as the below:

  [  135.521201] cloud-init[930]: 2023-02-28 05:44:58,294 - util.py[WARNING]: No active metadata service found