| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| k8s.io/klog | Package klog implements logging analogous to the Google-internal C++ INFO/ERROR/V setup. |
| k8s.io/kubernetes/pkg/util/nsenter | |
| k8s.io/utils/exec | Package exec provides an injectable interface and implementations for running commands. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| syscall | Package syscall contains an interface to the low-level operating system primitives. |