IPv6 has a humongous private network range, though. fd00:/8 has 2^120 IP addresses. You could set up a Docker bridge with that range and run containers with ran

IPv6 has a humongous private network range, though. fd00:/8 has 2^120 IP addresses. You could set up a Docker bridge with that range and run containers with random addresses. Correctly guessing one of 2^120 addresses would be nearly as difficult as cracking AES128.