V4 authenticaion and multipart_upload currently fails with "InvalidCreds" error. Disabled the upload using mutlipart uploads. Disabled upload_object_via_stream from using multipart uploads which allows V4 Auth uploads to complete.
diff --git a/libcloud/storage/drivers/s3.py b/libcloud/storage/drivers/s3.py
index b5cf00c..169f704 100644
--- a/libcloud/storage/drivers/s3.py
+++ b/libcloud/storage/drivers/s3.py
@@ -961,6 +961,8 @@
     connectionCls = S3CNNorthConnection
     ex_location_name = 'cn-north-1'
     region_name = 'cn-north-1'
+    # v4 auth and multipart_upload currently do not work.
+    supports_s3_multipart_upload = False
 
 
 class S3EUWestConnection(S3Connection):
@@ -1016,6 +1018,8 @@
     connectionCls = S3APNE2Connection
     ex_location_name = 'ap-northeast-2'
     region_name = 'ap-northeast-2'
+    # v4 auth and multipart_upload currently do not work.
+    supports_s3_multipart_upload = False
 
 
 class S3SAEastConnection(S3Connection):