Imports of package legacy_examples

PathSynopsis
github.com/containernetworking/cni/pkg/types
github.com/containernetworking/cni/pkg/version/testhelpersPackage testhelpers supports testing of CNI components of different versions
io/ioutilPackage ioutil implements some I/O utility functions.
netPackage net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets.
path/filepathPackage filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.