Imports of diagnostic command

PathSynopsis
bufioPackage bufio implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or Writer) that also implements the interface but provides buffering and some help for textual I/O.
encoding/base64Package base64 implements base64 encoding as specified by RFC 4648.
encoding/jsonPackage json implements encoding and decoding of JSON as defined in RFC 7159.
flagPackage flag implements command-line flag parsing.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/docker/docker/libnetworkPackage libnetwork provides the basic functionality and extension points to create network namespaces and allocate interfaces for containers to use.
github.com/docker/docker/libnetwork/diagnostic
github.com/docker/docker/libnetwork/drivers/overlay
github.com/sirupsen/logrusPackage logrus is a structured logger for Go, completely API compatible with the standard library logger.
ioPackage io provides basic interfaces to I/O primitives.
net/httpPackage http provides HTTP client and server implementations.
osPackage os provides a platform-independent interface to operating system functionality.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.