diff -Nru mstflint-4.1.0+1.46.gb1cdaf7/debian/changelog mstflint-4.1.0+1.46.gb1cdaf7/debian/changelog
--- mstflint-4.1.0+1.46.gb1cdaf7/debian/changelog	2016-01-18 01:28:38.000000000 +0100
+++ mstflint-4.1.0+1.46.gb1cdaf7/debian/changelog	2016-03-09 16:34:24.000000000 +0100
@@ -1,3 +1,13 @@
+mstflint (4.1.0+1.46.gb1cdaf7-1ubuntu2) xenial; urgency=medium
+
+  * debian/control :
+    - Add Conflicts/Replaces on mstflint4
+    - Add mstflint2 transitional package to facilitate migration 
+      from previous versions
+      (LP: #1555139)
+
+ -- Louis Bouchard <louis.bouchard@ubuntu.com>  Wed, 09 Mar 2016 16:33:51 +0100
+
 mstflint (4.1.0+1.46.gb1cdaf7-1ubuntu1) xenial; urgency=low
 
   * Merge from Debian unstable. (LP: #1528791) Remaining changes:
diff -Nru mstflint-4.1.0+1.46.gb1cdaf7/debian/control mstflint-4.1.0+1.46.gb1cdaf7/debian/control
--- mstflint-4.1.0+1.46.gb1cdaf7/debian/control	2015-12-31 05:14:17.000000000 +0100
+++ mstflint-4.1.0+1.46.gb1cdaf7/debian/control	2016-03-09 16:55:52.000000000 +0100
@@ -13,8 +13,18 @@
 Package: mstflint
 Architecture: i386 amd64 powerpc ppc64el arm64
 Depends: ${shlibs:Depends}, ${misc:Depends}
+Conflicts: mstflint4
+Replaces: mstflint4 (<< 4.1.0+1.46.gb1cdaf7-1ubuntu1)
 Description: Mellanox firmware burning application
  This package contains a burning tool and diagnostic tools for Mellanox
  manufactured HCA/NIC cards. It also provides access to the relevant source
  code.
 
+Package: mstflint4
+Section: oldlibs
+Priority: extra
+Architecture: all
+Depends: mstflint, ${misc:Depends}
+Description: transitional package, use "mstflint"
+ This is a transitional to aid migration to "mstflint"
+ It can be safely removed from the system once nothing depends on it.