Explore the intricacies of unprivileged containers in this 54-minute conference talk by Christian Brauner from Canonical. Delve into the fundamentals of containers, their limitations, and the complexities surrounding syscalls. Gain insights into syscall conventions, seccomp, and kernel policies. Understand the process of intercepting system calls and the role of container managers. Examine common problems associated with syscalls, including race conditions, through practical demonstrations. Conclude with a discussion on critical security aspects, enhancing your knowledge of container technology and its practical applications.