Update changelog for 3.2.1

Signed-off-by: Francesco Giordano <[email protected]>

Author: francesco-giordano

CHANGELOG.md

@@ -6,12 +6,15 @@ This file is used to list changes made in each version of the AWS ParallelCluste
 3.2.1
 ------
 
+**ENHANCEMENTS**
+
+- Improve the logic to associate the host routing tables to the different network cards to better support EC2 instances with several NICs.
+
 **CHANGES**
 - Upgrade NVIDIA driver to version 470.141.03.
 - Upgrade NVIDIA Fabric Manager to version 470.141.03.
 - Disable cron job tasks man-db and mlocate, which may have a negative impact on node performance.
 - Upgrade Intel MPI Library to 2021.6.0.602.
-- Change the logic to number the routing tables when an instance have multiple NICs.
 - Upgrade Python from 3.7.10 to 3.7.13 in response to this [security risk](https://nvd.nist.gov/vuln/detail/CVE-2021-3737).
 
 3.2.0