Update changelog

Author: danielnelson

CHANGELOG.md

@@ -32,6 +32,7 @@
 - [#6540](https://github.com/influxdata/telegraf/pull/6540): Log file open errors at debug level in tail input.
 - [#6553](https://github.com/influxdata/telegraf/pull/6553): Add timeout option to cloudwatch input.
 - [#6549](https://github.com/influxdata/telegraf/pull/6549): Support custom success codes in http input.
+- [#6530](https://github.com/influxdata/telegraf/pull/6530): Improve ipvs input error strings and logging.
 
 #### Bugfixes