title: I can't delete my VPC
body: <p>I want to delete one of my VPC but when i was trying to delete, this error appeared.</p>
  
  <blockquote>
    <p>We could not delete the following VPC (vpc-8737bde2 (10.100.0.0/16) | Khoi-VPC)
    The vpc 'vpc-8737bde2' has dependencies and cannot be deleted. (Service: AmazonEC2; Status Code: 400; Error Code: DependencyViolation; Request ID: e115d5ca-dd34-4cbb-a439-541b0dc225da)</p>
  </blockquote>
  
  <p>OK,  i checked the Security group and found one group with the description that has the name of my VPC so i thought that was the problem. But this time the error appears again.</p>
  
  <p>We could not delete the following security group (sg-a43c0dc1)</p>
  
  <blockquote>
    <p>the specified group: "sg-a43c0dc1" name: "default" cannot be deleted by a user (Service: AmazonEC2; Status Code: 400; Error Code: CannotDelete; Request ID: b21c425c-25c7-46e7-baeb-9610710afeca)</p>
  </blockquote>
  
  <p>I dont know how to delete my VPC, has anyone have any idea?</p>