if err != nil {
			log.Debugf("failed to get netns for pid %v: %v", p.PID, err)
			continue
		}

		if id != wantID {
			// Not the network we want, skip
			continue
		}
		s, err := p.Stat()
		if err != nil {
			// Unexpected... we will use it, but only if we find nothing without errors
			log.Warnf("failed to read proc %v stats: %v", p.PID, err)
			if best == "" {
				best = ns
			}
			continue

	if err != nil {
		return nil, fmt.Errorf("failed to listen on unix socket %q: %v", path, err)
	}

	// Update file permission so that cni plugin has permission to access it.
	if _, err := os.Stat(path); err != nil {
		return nil, fmt.Errorf("cni listener file %q doesn't exist", path)
	}
	if err := os.Chmod(path, 0o666); err != nil {
		return nil, fmt.Errorf("failed to update %q permission", path)
	}

// limitations under the License.

package nodeagent

import (
	"fmt"
	"io/fs"
	"syscall"
)

func GetInode(fi fs.FileInfo) (uint64, error) {
	if stat, ok := fi.Sys().(*syscall.Stat_t); ok {
		return stat.Ino, nil
	}
	return 0, fmt.Errorf("unable to get inode")

}

// checkBinDir verifies the presence/absence of test files.
func checkBinDir(t *testing.T, tempCNIBinDir, op string, files ...string) error {
	t.Helper()
	for _, f := range files {
		if _, err := os.Stat(tempCNIBinDir + "/" + f); !os.IsNotExist(err) {
			if op == "add" {
				t.Logf("PASS: File %v was added to %v", f, tempCNIBinDir)
				return nil
			} else if op == "del" {

}

func (n *NetnsWrapper) Close() error {
	return n.innerNetns.Close()
}

func (n *NetnsWrapper) Fd() uintptr {
	return n.innerNetns.Fd()
}

func inodeForFd(n NetnsFd) (uint64, error) {
	stats := &unix.Stat_t{}
	err := unix.Fstat(int(n.Fd()), stats)
	return stats.Ino, err
}

func OpenNetns(nspath string) (NetnsCloser, error) {
	n, err := netns.GetNS(nspath)
	if err != nil {
		return nil, err
	}

	return f.fd
}

func (f *fakeFileFakeFds) Stat() (fs.FileInfo, error) {
	fi, err := f.File.Stat()
	if err != nil {
		return nil, err
	}
	return &fakeFileFakeFI{FileInfo: fi}, nil
}

type fakeFileFakeFI struct {
	fs.FileInfo
}

func (f *fakeFileFakeFI) Sys() any {
	return &syscall.Stat_t{Ino: 1}
}

// Open opens the named file.

		})
		return err
	}

	processedFiles := map[string]bool{}
	for _, filename := range filenames {
		var isDir bool
		if filename != "-" {
			fi, err := os.Stat(filename)
			if err != nil {
				errs = multierror.Append(errs, fmt.Errorf("cannot stat file %q: %v", filename, err))
				continue
			}
			isDir = fi.IsDir()
		}

		if !isDir {
			processFile(filename)
			processedFiles[filename] = true

	if !isProcess(entry) {
		return nil, nil
	}

	netnsName := path.Join(entry.Name(), "ns", "net")
	fi, err := fs.Stat(proc, netnsName)
	if err != nil {
		return nil, err
	}

	inode, err := GetInode(fi)
	if err != nil {
		return nil, err
	}
	if _, ok := netnsObserved[inode]; ok {

				fmt.Fprint(cmd.OutOrStdout(), "Reading from stdin:\n")
			}
			r = os.Stdin
			readers = append(readers, local.ReaderSource{Name: f, Reader: r})
			continue
		}

		fi, err := os.Stat(f)
		if err != nil {
			return nil, err
		}

		if fi.IsDir() {
			dirReaders, err := gatherFilesInDirectory(cmd, f)
			if err != nil {
				return nil, err
			}

		switch header.Typeflag {
		case tar.TypeDir:
			if _, err := os.Stat(dest); err != nil {
				if err := os.Mkdir(dest, 0o755); err != nil {
					return fmt.Errorf("mkdir: %v", err)
				}
			}
		case tar.TypeReg:
			// Create containing folder if not present
			dir := path.Dir(dest)
			if _, err := os.Stat(dir); err != nil {
				if err := os.MkdirAll(dir, 0o755); err != nil {
					return err
				}