cid.patch

diff --git a/virtcontainers/utils/utils_linux.go b/virtcontainers/utils/utils_linux.go
index 31cb7d1..5f16aba 100644
--- a/virtcontainers/utils/utils_linux.go
+++ b/virtcontainers/utils/utils_linux.go
@@ -6,9 +6,9 @@
 package utils
 
 import (
-	"crypto/rand"
+//	"crypto/rand"
 	"fmt"
-	"math/big"
+//	"math/big"
 	"os"
 	"syscall"
 	"unsafe"
@@ -54,13 +54,9 @@ func ioctl(fd uintptr, request int, arg1 uint64) error {
 func FindContextID() (*os.File, uint32, error) {
 	// context IDs 0x0, 0x1 and 0x2 are reserved, 0x3 is the first context ID usable.
 	var firstContextID uint32 = 0x3
-	var contextID = firstContextID
+//	var contextID = firstContextID
 
 	// Generate a random number
-	n, err := rand.Int(rand.Reader, big.NewInt(int64(maxUInt)))
-	if err == nil && n.Int64() >= int64(firstContextID) {
-		contextID = uint32(n.Int64())
-	}
 
 	// Open vhost-vsock device to check what context ID is available.
 	// This file descriptor holds/locks the context ID and it should be
@@ -70,20 +66,5 @@ func FindContextID() (*os.File, uint32, error) {
 		return nil, 0, err
 	}
 
-	// Looking for the first available context ID.
-	for cid := contextID; cid <= maxUInt; cid++ {
-		if err := ioctlFunc(vsockFd.Fd(), ioctlVhostVsockSetGuestCid, uint64(cid)); err == nil {
-			return vsockFd, cid, nil
-		}
-	}
-
-	// Last chance to get a free context ID.
-	for cid := contextID - 1; cid >= firstContextID; cid-- {
-		if err := ioctlFunc(vsockFd.Fd(), ioctlVhostVsockSetGuestCid, uint64(cid)); err == nil {
-			return vsockFd, cid, nil
-		}
-	}
-
-	vsockFd.Close()
-	return nil, 0, fmt.Errorf("Could not get a unique context ID for the vsock")
+	return vsockFd, firstContextID, nil
 }