| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/opencontainers/runc/libcontainer | Package libcontainer provides a native Go implementation for creating containers with namespaces, cgroups, capabilities, and filesystem access controls. |
| github.com/opencontainers/runc/libcontainer/utils | |
| github.com/urfave/cli | Package cli provides a minimal framework for creating and organizing command line Go applications. |
| io | Package io provides basic interfaces to I/O primitives. |
| io/ioutil | Package ioutil implements some I/O utility functions. |
| net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |