Imports of package libcontainerd

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
github.com/containerd/containerd
github.com/docker/docker/errdefsPackage errdefs defines a set of error interfaces that packages should use for communicating classes of errors.
github.com/docker/docker/libcontainerd/types
github.com/opencontainers/runtime-spec/specs-go
github.com/pkg/errorsPackage errors provides simple error handling primitives.
github.com/sirupsen/logrusPackage logrus is a structured logger for Go, completely API compatible with the standard library logger.