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Description of problem:
The sysctl options such as net.ipv4.tcp_wmem and net.ipv4.tcp_rmem can contain tabs, Tuned doesn't cope with it.

Version-Release number of selected component (if applicable):
tuned-2.11.0-3.el7

How reproducible:
Always

Steps to Reproduce:
1. e.g. set:
[sysctl]
kernel.sem = 1250 256000 100 8192
2. activate the profile
3. tuned-adm verify

Actual results:
Verification fails:
ERROR    tuned.plugins.base: verify: failed: 'kernel.sem' = '1250	256000	100	8192', expected '1250 256000 100 8192'

Expected results:
Verification pass

Additional info:

Upstream PR fixing this problem:
https://github.com/redhat-performance/tuned/pull/184

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2019:2201