Ignore fifo error when using v2 multi-container shim

When using a multi-container shim, the fifo of the 2nd to Nth container
will not be opened when the ctx is done. This will cause an
`ErrReadClosed` that can be ignored.

Signed-off-by: Li Yuxuan <liyuxuan04@baidu.com>

runtime/v2/shim_windows.go

@@ -21,6 +21,7 @@ import (
 	"fmt"
 	"io"
 	"net"
+	"os"
 	"sync"
 	"time"
 
@@ -85,3 +86,13 @@ func openShimLog(ctx context.Context, bundle *Bundle) (io.ReadCloser, error) {
 	}()
 	return dpc, nil
 }
+
+func checkCopyShimLogError(ctx context.Context, err error) error {
+	// When using a multi-container shim the 2nd to Nth container in the
+	// shim will not have a separate log pipe. Ignore the failure log
+	// message here when the shim connect times out.
+	if os.IsNotExist(errors.Cause(err)) {
+		return nil
+	}
+	return err
+}