Address Not Allocated { [UnknownEndpoint: Inaccessible host

Tagging instance failure
Address Not Allocated { [UnknownEndpoint: Inaccessible host: `ec2.ap-southeast-1.amazonaws.com'. This service may not be available in the `ap-southeast-1' region.]
  message: 'Inaccessible host: `ec2.ap-southeast-1.amazonaws.com\'. This service may not be available in the `ap-southeast-1\' region.',
  code: 'UnknownEndpoint',
  region: 'ap-southeast-1',
  hostname: 'ec2.ap-southeast-1.amazonaws.com',
  retryable: true,
  originalError:
   { [NetworkingError: getaddrinfo ENOTFOUND ec2.ap-southeast-1.amazonaws.com ec2.ap-southeast-1.amazonaws.com:443]
     message: 'getaddrinfo ENOTFOUND ec2.ap-southeast-1.amazonaws.com ec2.ap-southeast-1.amazonaws.com:443',
     code: 'NetworkingError',
     errno: 'ENOTFOUND',
     syscall: 'getaddrinfo',
     hostname: 'ec2.ap-southeast-1.amazonaws.com',
     host: 'ec2.ap-southeast-1.amazonaws.com',
     port: 443,
     region: 'ap-southeast-1',
     retryable: true,