The current syntax of Ubuntu fluentd rewrite rules are not supported
anymore, reference to this commit[1].
According to the build of this patch[2], The Centos has no such isuue.
Only Ubuntu needs to be upgrade to use the <rule> section.

* Centos use 01-rewrite-0.12.conf.j2
* Ubuntu use 01-rewrite-0.14.conf.j2

backport: pike

[1] https://github.com/fluent/fluent-plugin-rewrite-tag-filter/commit/248ed8e97def0a60121199c0d0e2fa8785f0d076
[2] https://review.openstack.org/#/c/517907

Depends-on: I47985113fe732569d640a262ca832c6edc8c2bb6
Change-Id: I0b131c2f65652cf3c61b33d8162097b047603923
Closes-Bug: #1730664