Network Lab Environment Provisioning Automation

Create a comprehensive bash script for automatically provisioning network security training environments. Requirements include: 1) Dynamically spin up isolated VM instances, 2) Configure network isolation using iptables, 3) Deploy pre-configured security training scenarios, 4) Generate unique student access credentials, 5) Implement automatic teardown after lab completion, and 6) Generate detailed access logs. Include robust security checks and support for multiple virtualization platforms.