HomeAWS VPC INTERVIEW QUESTIONSCan you detach the primary interface (eth0) on my EC2 instance? Can you detach the primary interface (eth0) on my EC2 instance? 0 Vikas 21:34 No. You can attach and detach secondary interfaces (eth1-ethn) on an EC2 instance, but you can’t detach the eth0 interface. Tags AWS INTERVIEW QUESTIONS AWS VPC INTERVIEW QUESTIONS Newer Older